The new C domain code on Sphinx 3 doesn't allow anymore
to use c:type:: for structs.
Now that cdomain.py has backward support, let's use
c:struct:: instead.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Sphinx 3.x broke support for the cdomain.py extension, as the
c domain code was rewritten. Due to that, the c tags need to
be re-written, in order to use the new c domain notation.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Sphinx 3.x broke support for the cdomain.py extension, as the
c domain code was rewritten. Due to that, the c tags need to
be re-written, in order to use the new c domain notation.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Sphinx 3.x broke support for the cdomain.py extension, as the
c domain code was rewritten. Due to that, the c tags need to
be re-written, in order to use the new c domain notation.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Sphinx 3.x broke support for the cdomain.py extension, as the
c domain code was rewritten. Due to that, the c tags need to
be re-written, in order to use the new c domain notation.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Sphinx 3.x broke support for the cdomain.py extension, as the
c domain code was rewritten. Due to that, the c tags need to
be re-written, in order to use the new c domain notation.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Sphinx 3 added support for declaring C macros with parameters using the
:c:macro role.
To support automarkup for both functions and parametrized macros using
the same regex (words ending in ()), try to cross-reference to both, and
only fall back to regular text if neither exist.
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@protonmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
With the transition to Sphinx 3, new warnings were caused by
automarkup, exposing bugs in the name matching.
When automarkup parsed a text like "struct struct" in the documentation,
it tried to cross-reference to a "struct" symbol, which is recognized as
a C reserved word by Sphinx 3, generating a warning.
Add some C reserved words (only the ones that were causing warnings) to
a list and skip them while trying to cross-reference.
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@protonmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
With the transition to Sphinx 3, new warnings were generated by
automarkup, exposing bugs in the regexes.
The warnings were caused by the expressions matching words in the
translated versions of the documentation, since any unicode character
was matched.
Fix the regular expression by making the C regexes use ASCII and
ensuring the expressions only match the beginning of words,
in order to avoid warnings like this:
WARNING: Unparseable C cross-reference: '调用debugfs_rename'
That's probably due to the lack of using spaces between words
on Chinese.
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@protonmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
While Sphinx 2 used a single c:type role for struct, union, enum and
typedef, Sphinx 3 uses a specific role for each one.
To keep backward compatibility, detect the Sphinx version and use the
correct roles for that version.
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@protonmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Currently, there's no way to exclude identifiers from
a kernel-doc markup. Add support for it.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Finding where an error like this was generated:
../lib/math/div64.c:73: WARNING: Duplicate C declaration, also defined in 'kernel-api'.
Can take some time, as there's no glue about what kernel-doc
tag generated it. It is a way better to display it as:
.../Documentation/core-api/kernel-api:171: ../lib/math/div64.c:73: WARNING: Duplicate C declaration, also defined in 'kernel-api'.
Declaration is 'div_s64_rem'.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
While most of the C domain parsing is done via kernel-doc,
some RST files use C domain tags directly.
While several of them can be removed for Sphinx < 3.0, due
to automarkup.py, and several others that could be
converted into kernel-doc markups, changes like that are
time-consuming, and may not fit all cases.
As we already have the cdomain.py for handing backward
compatibility with Sphinx versions below 3.0, let's
make it more complete, in order to cover any usage of the
newer tags outside kernel-doc.
This way, it should be feasible to use the new tags inside
the Kernel tree, without losing backward compatibility.
This should allow fixing the remaining warnings with
the Kernel tags.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Since Sphinx 3.0, the C domain code was rewritten, but only
after version 3.1 it got support for setting namespaces on
C domains, with is something that it is required, in order to
document system calls, like ioctl() and others.
As part of changing the documentation subsystem to properly
build with Sphinx 3.1+, add support for such new tag:
.. c:namespace::"
Such tag optionally replaces the optional "name" tag for functions,
setting a single namespace domain for all C references found
at the file.
With that, it should be possible to convert existing
documentation to be compatible with both Sphinx 1.x/2.x and
3.1+.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
When kernel-doc is called via kerneldoc.py, there's no need to
auto-detect the Sphinx version, as the Sphinx module already
knows it. So, add an optional parameter to allow changing the
Sphinx dialect.
As kernel-doc can also be manually called, keep the auto-detection
logic if the parameter was not specified. On such case, emit
a warning if sphinx-build can't be found at PATH.
I ended using a suggestion from Joe for using a more readable
regex, instead of using a complex one with a hidden group like:
m/^(\d+)\.(\d+)(?:\.?(\d+)?)/
in order to get the optional <patch> argument.
Thanks-to: Joe Perches <joe@perches.com>
Suggested-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Here are some SPDX-specific changes for 5.10-rc1.
They include:
- driver fixes to make spdxcheck.pl work properly
- add GFDL licenses as "deprecated" but required due to some of
our documentation using them
- add Zlib license as "deprecated" but required because we have
code with this license in the tree.
- convert some drivers to have SPDX identifiers that previously
didn't have them.
All have been in linux-next for a very long time with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
Pull SPDX updates from Greg KH:
"Here are some SPDX-specific changes for 5.10-rc1.
They include:
- driver fixes to make spdxcheck.pl work properly
- add GFDL licenses as "deprecated" but required due to some of our
documentation using them
- add Zlib license as "deprecated" but required because we have code
with this license in the tree.
- convert some drivers to have SPDX identifiers that previously
didn't have them.
All have been in linux-next for a very long time with no reported
issues"
* tag 'spdx-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx:
scripts/spdxcheck.py: handle license identifiers in XML comments
net/mlx5: IPsec: make spdxcheck.py happy
LICENSES/deprecated: add Zlib license text
LICENSE: add GFDL deprecated licenses
net/qla3xxx: Convert to SPDX license identifiers
net/qlge: Convert to SPDX license identifiers
net/qlcnic: Convert to SPDX license identifiers
scsi/qla2xxx: Convert to SPDX license identifiers
scsi/qla4xxx: Convert to SPDX license identifiers
Here is the "big" set of driver core patches for 5.10-rc1
They include a lot of different things, all related to the driver core
and/or some driver logic:
- sysfs common write functions to make it easier to audit sysfs
attributes
- device connection cleanups and fixes
- devm helpers for a few functions
- NOIO allocations for when devices are being removed
- minor cleanups and fixes
All have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the "big" set of driver core patches for 5.10-rc1
They include a lot of different things, all related to the driver core
and/or some driver logic:
- sysfs common write functions to make it easier to audit sysfs
attributes
- device connection cleanups and fixes
- devm helpers for a few functions
- NOIO allocations for when devices are being removed
- minor cleanups and fixes
All have been in linux-next for a while with no reported issues"
* tag 'driver-core-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (31 commits)
regmap: debugfs: use semicolons rather than commas to separate statements
platform/x86: intel_pmc_core: do not create a static struct device
drivers core: node: Use a more typical macro definition style for ACCESS_ATTR
drivers core: Use sysfs_emit for shared_cpu_map_show and shared_cpu_list_show
mm: and drivers core: Convert hugetlb_report_node_meminfo to sysfs_emit
drivers core: Miscellaneous changes for sysfs_emit
drivers core: Reindent a couple uses around sysfs_emit
drivers core: Remove strcat uses around sysfs_emit and neaten
drivers core: Use sysfs_emit and sysfs_emit_at for show(device *...) functions
sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output
dyndbg: use keyword, arg varnames for query term pairs
driver core: force NOIO allocations during unplug
platform_device: switch to simpler IDA interface
driver core: platform: Document return type of more functions
Revert "driver core: Annotate dev_err_probe() with __must_check"
Revert "test_firmware: Test platform fw loading on non-EFI systems"
iio: adc: xilinx-xadc: use devm_krealloc()
hwmon: pmbus: use more devres helpers
devres: provide devm_krealloc()
syscore: Use pm_pr_dbg() for syscore_{suspend,resume}()
...
Here is the big set of tty and serial driver patches for 5.10-rc1.
Lots of little things in here, including:
- tasklet_setup api conversions
- sysrq support for capital letters
- vt and vc cleanups and unwinding the mess some more
- serial driver updates and minor tweaks
- new device ids
- rs485 support for some drivers
- serial binding documentation updates
- lots of small serial driver changes for reported issues
All have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here is the big set of tty and serial driver patches for 5.10-rc1.
Lots of little things in here, including:
- tasklet_setup api conversions
- sysrq support for capital letters
- vt and vc cleanups and unwinding the mess some more
- serial driver updates and minor tweaks
- new device ids
- rs485 support for some drivers
- serial binding documentation updates
- lots of small serial driver changes for reported issues
All have been in linux-next for a while with no reported issues"
* tag 'tty-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (79 commits)
serial: mcf: add sysrq capability
serial: fsl_lpuart: add sysrq support when using dma
fbcon: remove no-op fbcon_set_origin()
tty/sysrq: Extend the sysrq_key_table to cover capital letters
serial: max310x: rework RX interrupt handling
serial: 8250_dw: Fix clk-notifier/port suspend deadlock
serial: 8250: Skip uninitialized TTY port baud rate update
serial: 8250: Discard RTS/DTS setting from clock update method
tty: serial: imx: disable TXDC IRQ in imx_uart_shutdown() to avoid IRQ storm
serial: 8250_fsl: Fix TX interrupt handling condition
serial: pl011: Fix lockdep splat when handling magic-sysrq interrupt
tty: serial: fsl_lpuart: fix lpuart32_poll_get_char
tty: serial: lpuart: fix lpuart32_write usage
serial: qcom_geni_serial: To correct QUP Version detection logic
serial: mvebu-uart: fix unused variable warning
vt_ioctl: make VT_RESIZEX behave like VT_RESIZE
serial: mvebu-uart: simplify the return expression of mvebu_uart_probe()
tty: serial: imx: fix link error with CONFIG_SERIAL_CORE_CONSOLE=n
tty: hvc: fix link error with CONFIG_SERIAL_CORE_CONSOLE=n
pch_uart: drop double zeroing
...
- Update dtc to upstream version v1.6.0-31-gcbca977ea121
- dtx_diff help text reformatting
- Speed-up validation time for binding and dtb checks using json for
intermediate files
- Add support for running yamllint on DT schema files
- Remove old booting-without-of.rst
- Extend the example schema to address common issues
- Cleanup handling of additionalProperties/unevaluatedProperties
- Ensure all DSI controller schemas reference dsi-controller.yaml
- Vendor prefixes for Zealz, Wandbord/Technexion, Embest RIoT, Rex, DFI,
and Cisco Meraki
- Convert at25, SPMI bus, TI hwlock, HiSilicon Hi3660 USB3 PHY, Arm
SP805 watchdog, Arm SP804, and Samsung 11-pin USB connector to DT
schema
- Convert HiSilicon SoC and syscon bindings to DT schema
- Convert SiFive Risc-V L2 cache, PLIC, PRCI, and PWM to DT schema
- Convert i.MX bindings for w1, crypto, rng, SIM, PM, DDR,
SATA, vf610 GPIO, and UART to DT schema
- Add i.MX 8M compatible strings
- Add LM81 and DS1780 as trivial devices
- Various missing properties added to fix dtb validation warnings
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Merge tag 'devicetree-for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Update dtc to upstream version v1.6.0-31-gcbca977ea121
- dtx_diff help text reformatting
- Speed-up validation time for binding and dtb checks using json for
intermediate files
- Add support for running yamllint on DT schema files
- Remove old booting-without-of.rst
- Extend the example schema to address common issues
- Cleanup handling of additionalProperties/unevaluatedProperties
- Ensure all DSI controller schemas reference dsi-controller.yaml
- Vendor prefixes for Zealz, Wandbord/Technexion, Embest RIoT, Rex,
DFI, and Cisco Meraki
- Convert at25, SPMI bus, TI hwlock, HiSilicon Hi3660 USB3 PHY, Arm
SP805 watchdog, Arm SP804, and Samsung 11-pin USB connector to DT
schema
- Convert HiSilicon SoC and syscon bindings to DT schema
- Convert SiFive Risc-V L2 cache, PLIC, PRCI, and PWM to DT schema
- Convert i.MX bindings for w1, crypto, rng, SIM, PM, DDR, SATA, vf610
GPIO, and UART to DT schema
- Add i.MX 8M compatible strings
- Add LM81 and DS1780 as trivial devices
- Various missing properties added to fix dtb validation warnings
* tag 'devicetree-for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (111 commits)
dt-bindings: misc: explicitly add #address-cells for slave mode
spi: dt-bindings: spi-controller: explicitly require #address-cells=<0> for slave mode
dt: Remove booting-without-of.rst
dt-bindings: update usb-c-connector example
dt-bindings: arm: hisilicon: add missing properties into cpuctrl.yaml
dt-bindings: arm: hisilicon: add missing properties into sysctrl.yaml
dt-bindings: pwm: imx: document i.MX compatibles
scripts/dtc: Update to upstream version v1.6.0-31-gcbca977ea121
dt-bindings: Add running yamllint to dt_binding_check
dt-bindings: powerpc: Add a schema for the 'sleep' property
dt-bindings: pinctrl: sirf: Fix typo abitrary
dt-bindings: pinctrl: qcom: Fix typo abitrary
dt-bindings: Explicitly allow additional properties in common schemas
dt-bindings: Use 'additionalProperties' instead of 'unevaluatedProperties'
dt-bindings: Add missing 'unevaluatedProperties'
Docs: Fixing spelling errors in Documentation/devicetree/bindings/
dt-bindings: arm: hisilicon: convert Hi6220 domain controller bindings to json-schema
dt-bindings: riscv: convert pwm bindings to json-schema
dt-bindings: riscv: convert plic bindings to json-schema
dt-bindings: fu540: prci: convert PRCI bindings to json-schema
...
Core changes:
- NONE whatsoever, we don't even touch the core files this
time around.
New drivers:
- New driver for the Toshiba Visconti SoC.
- New subdriver for the Qualcomm MSM8226 SoC.
- New subdriver for the Actions Semiconductor S500 SoC.
- New subdriver for the Mediatek MT8192 SoC.
- New subdriver for the Microchip SAMA7G5 SoC.
Driver enhancements:
- Intel Cherryview and Baytrail cleanups and refactorings.
- Enhanced support for the Renesas R8A7790, more pins and
groups.
- Some optimizations for the MCP23S08 MCP23x17 variant.
- Some cleanups around the Actions Semiconductor subdrivers.
- A bunch of cleanups around the SH-PFC and Emma Mobile
drivers.
- The "SH-PFC" (literally SuperH pin function controller, I
think) subdirectory is now renamed to the more neutral
"renesas", as these are not very much centered around
SuperH anymore.
- Non-critical fixes for the Aspeed driver.
- Non-critical fixes for the Ingenic (MIPS!) driver.
- Fix a bunch of missing pins on the AMD pinctrl driver.
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Merge tag 'pinctrl-v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"Core changes:
- NONE whatsoever, we don't even touch the core files this time
around.
New drivers:
- New driver for the Toshiba Visconti SoC.
- New subdriver for the Qualcomm MSM8226 SoC.
- New subdriver for the Actions Semiconductor S500 SoC.
- New subdriver for the Mediatek MT8192 SoC.
- New subdriver for the Microchip SAMA7G5 SoC.
Driver enhancements:
- Intel Cherryview and Baytrail cleanups and refactorings.
- Enhanced support for the Renesas R8A7790, more pins and groups.
- Some optimizations for the MCP23S08 MCP23x17 variant.
- Some cleanups around the Actions Semiconductor subdrivers.
- A bunch of cleanups around the SH-PFC and Emma Mobile drivers.
- The "SH-PFC" (literally SuperH pin function controller, I think)
subdirectory is now renamed to the more neutral "renesas", as these
are not very much centered around SuperH anymore.
- Non-critical fixes for the Aspeed driver.
- Non-critical fixes for the Ingenic (MIPS!) driver.
- Fix a bunch of missing pins on the AMD pinctrl driver"
* tag 'pinctrl-v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (78 commits)
pinctrl: amd: Add missing pins to the pin group list
dt-bindings: pinctrl: sunxi: Allow pinctrl with more interrupt banks
pinctrl: visconti: PINCTRL_TMPV7700 should depend on ARCH_VISCONTI
pinctrl: mediatek: Free eint data on failure
pinctrl: single: fix debug output when #pinctrl-cells = 2
pinctrl: single: fix pinctrl_spec.args_count bounds check
pinctrl: sunrisepoint: Modify COMMUNITY macros to be consistent
pinctrl: cannonlake: Modify COMMUNITY macros to be consistent
pinctrl: tigerlake: Fix register offsets for TGL-H variant
pinctrl: Document pinctrl-single,pins when #pinctrl-cells = 2
pinctrl: mediatek: use devm_platform_ioremap_resource_byname()
pinctrl: nuvoton: npcm7xx: Constify static ops structs
pinctrl: mediatek: mt7622: add antsel pins/groups
pinctrl: ocelot: simplify the return expression of ocelot_gpiochip_register()
pinctrl: at91-pio4: add support for sama7g5 SoC
dt-bindings: pinctrl: at91-pio4: add microchip,sama7g5
pinctrl: spear: simplify the return expression of tvc_connect()
pinctrl: spear: simplify the return expression of spear310_pinctrl_probe
pinctrl: sprd: use module_platform_driver to simplify the code
pinctrl: Ingenic: Add I2S pins support for Ingenic SoCs.
...
Quite a lot of stuff is going on here. Great cleanups/fixes from Marek
and others are biggest part.
I limited CPU LED trigger to 8 LEDs, because it was willing to
register 1024 "triggers" on machine with 1024 CPUs. I don't believe it
will cause any problems, but we can raise the limit if it does.
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Merge tag 'leds-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
"Quite a lot of stuff is going on here. Great cleanups/fixes from Marek
and others are biggest part.
I limited CPU LED trigger to 8 LEDs, because it was willing to
register 1024 'triggers' on machine with 1024 CPUs. I don't believe it
will cause any problems, but we can raise the limit if it does"
* tag 'leds-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds: (84 commits)
leds: pwm: Remove platform_data support
leds: lm3697: Fix out-of-bound access
leds: ns2: do not guard OF match pointer with of_match_ptr
leds: ns2: convert to fwnode API
leds: tlc591xx: fix leak of device node iterator
leds: pca963x: use struct led_init_data when registering
leds: pca963x: register LEDs immediately after parsing, get rid of platdata
leds: tca6507: remove binding comment
leds: tca6507: cosmetic change: use helper variable
leds: tca6507: do not set GPIO names
dt-bindings: leds: tca6507: convert to YAML
ledtrig-cpu: Limit to 8 CPUs
leds: TODO: Add documentation about possible subsystem improvements
leds: pca9532: read pwm settings from device tree
leds: pca9532: correct shift computation in pca9532_getled
leds: lm36274: Fix warning for undefined parameters
leds: lm3532: Fix warnings for undefined parameters
leds: pca963x: use flexible array
leds: pca963x: cosmetic: rename variables
leds: pca963x: cosmetic: rename variables
...
This series consists of the usual driver updates (ufs, qla2xxx, tcmu,
ibmvfc, lpfc, smartpqi, hisi_sas, qedi, qedf, mpt3sas) and minor bug
fixes. There are only three core changes: adding sense codes,
cleaning up noretry and adding an option for limitless retries.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"The usual driver updates (ufs, qla2xxx, tcmu, ibmvfc, lpfc, smartpqi,
hisi_sas, qedi, qedf, mpt3sas) and minor bug fixes.
There are only three core changes: adding sense codes, cleaning up
noretry and adding an option for limitless retries"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (226 commits)
scsi: hisi_sas: Recover PHY state according to the status before reset
scsi: hisi_sas: Filter out new PHY up events during suspend
scsi: hisi_sas: Add device link between SCSI devices and hisi_hba
scsi: hisi_sas: Add check for methods _PS0 and _PR0
scsi: hisi_sas: Add controller runtime PM support for v3 hw
scsi: hisi_sas: Switch to new framework to support suspend and resume
scsi: hisi_sas: Use hisi_hba->cq_nvecs for calling calling synchronize_irq()
scsi: qedf: Remove redundant assignment to variable 'rc'
scsi: lpfc: Remove unneeded variable 'status' in lpfc_fcp_cpu_map_store()
scsi: snic: Convert to use DEFINE_SEQ_ATTRIBUTE macro
scsi: qla4xxx: Delete unneeded variable 'status' in qla4xxx_process_ddb_changed
scsi: sun_esp: Use module_platform_driver to simplify the code
scsi: sun3x_esp: Use module_platform_driver to simplify the code
scsi: sni_53c710: Use module_platform_driver to simplify the code
scsi: qlogicpti: Use module_platform_driver to simplify the code
scsi: mac_esp: Use module_platform_driver to simplify the code
scsi: jazz_esp: Use module_platform_driver to simplify the code
scsi: mvumi: Fix error return in mvumi_io_attach()
scsi: lpfc: Drop nodelist reference on error in lpfc_gen_req()
scsi: be2iscsi: Fix a theoretical leak in beiscsi_create_eqs()
...
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Merge tag 'kernel-clone-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull kernel_clone() updates from Christian Brauner:
"During the v5.9 merge window we reworked the process creation
codepaths across multiple architectures. After this work we were only
left with the _do_fork() helper based on the struct kernel_clone_args
calling convention. As was pointed out _do_fork() isn't valid
kernelese especially for a helper that isn't just static.
This series removes the _do_fork() helper and introduces the new
kernel_clone() helper. The process creation cleanup didn't change the
name to something more reasonable mainly because _do_fork() was used
in quite a few places. So sending this as a separate series seemed the
better strategy.
I originally intended to send this early in the v5.9 development cycle
after the merge window had closed but given that this was touching
quite a few places I decided to defer this until the v5.10 merge
window"
* tag 'kernel-clone-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
sched: remove _do_fork()
tracing: switch to kernel_clone()
kgdbts: switch to kernel_clone()
kprobes: switch to kernel_clone()
x86: switch to kernel_clone()
sparc: switch to kernel_clone()
nios2: switch to kernel_clone()
m68k: switch to kernel_clone()
ia64: switch to kernel_clone()
h8300: switch to kernel_clone()
fork: introduce kernel_clone()
As reported by Sphinx:
Documentation/gpu/amdgpu.rst:200: WARNING: Inline emphasis start-string without end-string.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Including:
- ARM-SMMU Updates from Will:
- Continued SVM enablement, where page-table is shared with
CPU
- Groundwork to support integrated SMMU with Adreno GPU
- Allow disabling of MSI-based polling on the kernel
command-line
- Minor driver fixes and cleanups (octal permissions, error
messages, ...)
- Secure Nested Paging Support for AMD IOMMU. The IOMMU will
fault when a device tries DMA on memory owned by a guest. This
needs new fault-types as well as a rewrite of the IOMMU memory
semaphore for command completions.
- Allow broken Intel IOMMUs (wrong address widths reported) to
still be used for interrupt remapping.
- IOMMU UAPI updates for supporting vSVA, where the IOMMU can
access address spaces of processes running in a VM.
- Support for the MT8167 IOMMU in the Mediatek IOMMU driver.
- Device-tree updates for the Renesas driver to support r8a7742.
- Several smaller fixes and cleanups all over the place.
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Merge tag 'iommu-updates-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- ARM-SMMU Updates from Will:
- Continued SVM enablement, where page-table is shared with CPU
- Groundwork to support integrated SMMU with Adreno GPU
- Allow disabling of MSI-based polling on the kernel command-line
- Minor driver fixes and cleanups (octal permissions, error
messages, ...)
- Secure Nested Paging Support for AMD IOMMU. The IOMMU will fault when
a device tries DMA on memory owned by a guest. This needs new
fault-types as well as a rewrite of the IOMMU memory semaphore for
command completions.
- Allow broken Intel IOMMUs (wrong address widths reported) to still be
used for interrupt remapping.
- IOMMU UAPI updates for supporting vSVA, where the IOMMU can access
address spaces of processes running in a VM.
- Support for the MT8167 IOMMU in the Mediatek IOMMU driver.
- Device-tree updates for the Renesas driver to support r8a7742.
- Several smaller fixes and cleanups all over the place.
* tag 'iommu-updates-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (57 commits)
iommu/vt-d: Gracefully handle DMAR units with no supported address widths
iommu/vt-d: Check UAPI data processed by IOMMU core
iommu/uapi: Handle data and argsz filled by users
iommu/uapi: Rename uapi functions
iommu/uapi: Use named union for user data
iommu/uapi: Add argsz for user filled data
docs: IOMMU user API
iommu/qcom: add missing put_device() call in qcom_iommu_of_xlate()
iommu/arm-smmu-v3: Add SVA device feature
iommu/arm-smmu-v3: Check for SVA features
iommu/arm-smmu-v3: Seize private ASID
iommu/arm-smmu-v3: Share process page tables
iommu/arm-smmu-v3: Move definitions to a header
iommu/io-pgtable-arm: Move some definitions to a header
iommu/arm-smmu-v3: Ensure queue is read after updating prod pointer
iommu/amd: Re-purpose Exclusion range registers to support SNP CWWB
iommu/amd: Add support for RMP_PAGE_FAULT and RMP_HW_ERR
iommu/amd: Use 4K page for completion wait write-back semaphore
iommu/tegra-smmu: Allow to group clients in same swgroup
iommu/tegra-smmu: Fix iova->phys translation
...
- Remove the now unused pnp_find_card() function (Christoph Hellwig).
- Drop duplicate pci.h include from the quirks code and add an
"internal.h" include to acpi_pnp.c to fix a compiler warning (Tian
Tao).
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Merge tag 'pnp-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull PNP updates from Rafael Wysocki:
"These clean the PNP code somewhat:
- Remove the now unused pnp_find_card() function (Christoph Hellwig)
- Drop duplicate pci.h include from the quirks code and add an
"internal.h" include to acpi_pnp.c to fix a compiler warning (Tian
Tao)"
* tag 'pnp-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PNP: remove the now unused pnp_find_card() function
PNP: ACPI: Fix missing-prototypes in acpi_pnp.c
PNP: quirks: Fix duplicate included pci.h
- Add support for generic initiator-only proximity domains to
the ACPI NUMA code and the architectures using it (Jonathan
Cameron).
- Clean up some non-ACPICA code referring to debug facilities from
ACPICA that are not actually used in there (Hanjun Guo).
- Add new DPTF driver for the PCH FIVR participant (Srinivas
Pandruvada).
- Reduce overhead related to accessing GPE registers in ACPICA and
the OS interface layer and make it possible to access GPE registers
using logical addresses if they are memory-mapped (Rafael Wysocki).
- Update the ACPICA code in the kernel to upstream revision 20200925
including changes as follows:
* Add predefined names from the SMBus sepcification (Bob Moore).
* Update acpi_help UUID list (Bob Moore).
* Return exceptions for string-to-integer conversions in iASL (Bob
Moore).
* Add a new "ALL <NameSeg>" debugger command (Bob Moore).
* Add support for 64 bit risc-v compilation (Colin Ian King).
* Do assorted cleanups (Bob Moore, Colin Ian King, Randy Dunlap).
- Add new ACPI backlight whitelist entry for HP 635 Notebook (Alex
Hung).
- Move TPS68470 OpRegion driver to drivers/acpi/pmic/ and split out
Kconfig and Makefile specific for ACPI PMIC (Andy Shevchenko).
- Clean up the ACPI SoC driver for AMD SoCs (Hanjun Guo).
- Add missing config_item_put() to fix refcount leak (Hanjun Guo).
- Drop lefrover field from struct acpi_memory_device (Hanjun Guo).
- Make the ACPI extlog driver check for RDMSR failures (Ben
Hutchings).
- Fix handling of lid state changes in the ACPI button driver when
input device is closed (Dmitry Torokhov).
- Fix several assorted build issues (Barnabás Pőcze, John Garry,
Nathan Chancellor, Tian Tao).
- Drop unused inline functions and reduce code duplication by using
kobj_to_dev() in the NFIT parsing code (YueHaibing, Wang Qing).
- Serialize tools/power/acpi Makefile (Thomas Renninger).
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Merge tag 'acpi-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These add support for generic initiator-only proximity domains to the
ACPI NUMA code and the architectures using it, clean up some
non-ACPICA code referring to debug facilities from ACPICA, reduce the
overhead related to accessing GPE registers, add a new DPTF (Dynamic
Power and Thermal Framework) participant driver, update the ACPICA
code in the kernel to upstream revision 20200925, add a new ACPI
backlight whitelist entry, fix a few assorted issues and clean up some
code.
Specifics:
- Add support for generic initiator-only proximity domains to the
ACPI NUMA code and the architectures using it (Jonathan Cameron)
- Clean up some non-ACPICA code referring to debug facilities from
ACPICA that are not actually used in there (Hanjun Guo)
- Add new DPTF driver for the PCH FIVR participant (Srinivas
Pandruvada)
- Reduce overhead related to accessing GPE registers in ACPICA and
the OS interface layer and make it possible to access GPE registers
using logical addresses if they are memory-mapped (Rafael Wysocki)
- Update the ACPICA code in the kernel to upstream revision 20200925
including changes as follows:
+ Add predefined names from the SMBus sepcification (Bob Moore)
+ Update acpi_help UUID list (Bob Moore)
+ Return exceptions for string-to-integer conversions in iASL (Bob
Moore)
+ Add a new "ALL <NameSeg>" debugger command (Bob Moore)
+ Add support for 64 bit risc-v compilation (Colin Ian King)
+ Do assorted cleanups (Bob Moore, Colin Ian King, Randy Dunlap)
- Add new ACPI backlight whitelist entry for HP 635 Notebook (Alex
Hung)
- Move TPS68470 OpRegion driver to drivers/acpi/pmic/ and split out
Kconfig and Makefile specific for ACPI PMIC (Andy Shevchenko)
- Clean up the ACPI SoC driver for AMD SoCs (Hanjun Guo)
- Add missing config_item_put() to fix refcount leak (Hanjun Guo)
- Drop lefrover field from struct acpi_memory_device (Hanjun Guo)
- Make the ACPI extlog driver check for RDMSR failures (Ben
Hutchings)
- Fix handling of lid state changes in the ACPI button driver when
input device is closed (Dmitry Torokhov)
- Fix several assorted build issues (Barnabás Pőcze, John Garry,
Nathan Chancellor, Tian Tao)
- Drop unused inline functions and reduce code duplication by using
kobj_to_dev() in the NFIT parsing code (YueHaibing, Wang Qing)
- Serialize tools/power/acpi Makefile (Thomas Renninger)"
* tag 'acpi-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (64 commits)
ACPICA: Update version to 20200925 Version 20200925
ACPICA: Remove unnecessary semicolon
ACPICA: Debugger: Add a new command: "ALL <NameSeg>"
ACPICA: iASL: Return exceptions for string-to-integer conversions
ACPICA: acpi_help: Update UUID list
ACPICA: Add predefined names found in the SMBus sepcification
ACPICA: Tree-wide: fix various typos and spelling mistakes
ACPICA: Drop the repeated word "an" in a comment
ACPICA: Add support for 64 bit risc-v compilation
ACPI: button: fix handling lid state changes when input device closed
tools/power/acpi: Serialize Makefile
ACPI: scan: Replace ACPI_DEBUG_PRINT() with pr_debug()
ACPI: memhotplug: Remove 'state' from struct acpi_memory_device
ACPI / extlog: Check for RDMSR failure
ACPI: Make acpi_evaluate_dsm() prototype consistent
docs: mm: numaperf.rst Add brief description for access class 1.
node: Add access1 class to represent CPU to memory characteristics
ACPI: HMAT: Fix handling of changes from ACPI 6.2 to ACPI 6.3
ACPI: Let ACPI know we support Generic Initiator Affinity Structures
x86: Support Generic Initiator only proximity domains
...
- Rework cpufreq statistics collection to allow it to take place
when fast frequency switching is enabled in the governor (Viresh
Kumar).
- Make the cpufreq core set the frequency scale on behalf of the
driver and update several cpufreq drivers accordingly (Ionela
Voinescu, Valentin Schneider).
- Add new hardware support to the STI and qcom cpufreq drivers and
improve them (Alain Volmat, Manivannan Sadhasivam).
- Fix multiple assorted issues in cpufreq drivers (Jon Hunter,
Krzysztof Kozlowski, Matthias Kaehlcke, Pali Rohár, Stephan
Gerhold, Viresh Kumar).
- Fix several assorted issues in the operating performance points
(OPP) framework (Stephan Gerhold, Viresh Kumar).
- Allow devfreq drivers to fetch devfreq instances by DT enumeration
instead of using explicit phandles and modify the devfreq core
code to support driver-specific devfreq DT bindings (Leonard
Crestez, Chanwoo Choi).
- Improve initial hardware resetting in the tegra30 devfreq driver
and clean up the tegra cpuidle driver (Dmitry Osipenko).
- Update the cpuidle core to collect state entry rejection
statistics and expose them via sysfs (Lina Iyer).
- Improve the ACPI _CST code handling diagnostics (Chen Yu).
- Update the PSCI cpuidle driver to allow the PM domain
initialization to occur in the OSI mode as well as in the PC
mode (Ulf Hansson).
- Rework the generic power domains (genpd) core code to allow
domain power off transition to be aborted in the absence of the
"power off" domain callback (Ulf Hansson).
- Fix two suspend-to-idle issues in the ACPI EC driver (Rafael
Wysocki).
- Fix the handling of timer_expires in the PM-runtime framework on
32-bit systems and the handling of device links in it (Grygorii
Strashko, Xiang Chen).
- Add IO requests batching support to the hibernate image saving and
reading code and drop a bogus get_gendisk() from there (Xiaoyi
Chen, Christoph Hellwig).
- Allow PCIe ports to be put into the D3cold power state if they
are power-manageable via ACPI (Lukas Wunner).
- Add missing header file include to a power capping driver (Pujin
Shi).
- Clean up the qcom-cpr AVS driver a bit (Liu Shixin).
- Kevin Hilman steps down as designated reviwer of adaptive voltage
scaling (AVS) driverrs (Kevin Hilman).
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Merge tag 'pm-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These rework the collection of cpufreq statistics to allow it to take
place if fast frequency switching is enabled in the governor, rework
the frequency invariance handling in the cpufreq core and drivers, add
new hardware support to a couple of cpufreq drivers, fix a number of
assorted issues and clean up the code all over.
Specifics:
- Rework cpufreq statistics collection to allow it to take place when
fast frequency switching is enabled in the governor (Viresh Kumar).
- Make the cpufreq core set the frequency scale on behalf of the
driver and update several cpufreq drivers accordingly (Ionela
Voinescu, Valentin Schneider).
- Add new hardware support to the STI and qcom cpufreq drivers and
improve them (Alain Volmat, Manivannan Sadhasivam).
- Fix multiple assorted issues in cpufreq drivers (Jon Hunter,
Krzysztof Kozlowski, Matthias Kaehlcke, Pali Rohár, Stephan
Gerhold, Viresh Kumar).
- Fix several assorted issues in the operating performance points
(OPP) framework (Stephan Gerhold, Viresh Kumar).
- Allow devfreq drivers to fetch devfreq instances by DT enumeration
instead of using explicit phandles and modify the devfreq core code
to support driver-specific devfreq DT bindings (Leonard Crestez,
Chanwoo Choi).
- Improve initial hardware resetting in the tegra30 devfreq driver
and clean up the tegra cpuidle driver (Dmitry Osipenko).
- Update the cpuidle core to collect state entry rejection statistics
and expose them via sysfs (Lina Iyer).
- Improve the ACPI _CST code handling diagnostics (Chen Yu).
- Update the PSCI cpuidle driver to allow the PM domain
initialization to occur in the OSI mode as well as in the PC mode
(Ulf Hansson).
- Rework the generic power domains (genpd) core code to allow domain
power off transition to be aborted in the absence of the "power
off" domain callback (Ulf Hansson).
- Fix two suspend-to-idle issues in the ACPI EC driver (Rafael
Wysocki).
- Fix the handling of timer_expires in the PM-runtime framework on
32-bit systems and the handling of device links in it (Grygorii
Strashko, Xiang Chen).
- Add IO requests batching support to the hibernate image saving and
reading code and drop a bogus get_gendisk() from there (Xiaoyi
Chen, Christoph Hellwig).
- Allow PCIe ports to be put into the D3cold power state if they are
power-manageable via ACPI (Lukas Wunner).
- Add missing header file include to a power capping driver (Pujin
Shi).
- Clean up the qcom-cpr AVS driver a bit (Liu Shixin).
- Kevin Hilman steps down as designated reviwer of adaptive voltage
scaling (AVS) drivers (Kevin Hilman)"
* tag 'pm-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (65 commits)
cpufreq: stats: Fix string format specifier mismatch
arm: disable frequency invariance for CONFIG_BL_SWITCHER
cpufreq,arm,arm64: restructure definitions of arch_set_freq_scale()
cpufreq: stats: Add memory barrier to store_reset()
cpufreq: schedutil: Simplify sugov_fast_switch()
ACPI: EC: PM: Drop ec_no_wakeup check from acpi_ec_dispatch_gpe()
ACPI: EC: PM: Flush EC work unconditionally after wakeup
PCI/ACPI: Whitelist hotplug ports for D3 if power managed by ACPI
PM: hibernate: remove the bogus call to get_gendisk() in software_resume()
cpufreq: Move traces and update to policy->cur to cpufreq core
cpufreq: stats: Enable stats for fast-switch as well
cpufreq: stats: Mark few conditionals with unlikely()
cpufreq: stats: Remove locking
cpufreq: stats: Defer stats update to cpufreq_stats_record_transition()
PM: domains: Allow to abort power off when no ->power_off() callback
PM: domains: Rename power state enums for genpd
PM / devfreq: tegra30: Improve initial hardware resetting
PM / devfreq: event: Change prototype of devfreq_event_get_edev_by_phandle function
PM / devfreq: Change prototype of devfreq_get_devfreq_by_phandle function
PM / devfreq: Add devfreq_get_devfreq_by_node function
...
Merge misc updates from Andrew Morton:
"181 patches.
Subsystems affected by this patch series: kbuild, scripts, ntfs,
ocfs2, vfs, mm (slab, slub, kmemleak, dax, debug, pagecache, fadvise,
gup, swap, memremap, memcg, selftests, pagemap, mincore, hmm, dma,
memory-failure, vmallo and migration)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (181 commits)
mm/migrate: remove obsolete comment about device public
mm/migrate: remove cpages-- in migrate_vma_finalize()
mm, oom_adj: don't loop through tasks in __set_oom_adj when not necessary
memblock: use separate iterators for memory and reserved regions
memblock: implement for_each_reserved_mem_region() using __next_mem_region()
memblock: remove unused memblock_mem_size()
x86/setup: simplify reserve_crashkernel()
x86/setup: simplify initrd relocation and reservation
arch, drivers: replace for_each_membock() with for_each_mem_range()
arch, mm: replace for_each_memblock() with for_each_mem_pfn_range()
memblock: reduce number of parameters in for_each_mem_range()
memblock: make memblock_debug and related functionality private
memblock: make for_each_memblock_type() iterator private
mircoblaze: drop unneeded NUMA and sparsemem initializations
riscv: drop unneeded node initialization
h8300, nds32, openrisc: simplify detection of memory extents
arm64: numa: simplify dummy_numa_init()
arm, xtensa: simplify initialization of high memory pages
dma-contiguous: simplify cma_early_percent_memory()
KVM: PPC: Book3S HV: simplify kvm_cma_reserve()
...
scripts/dtc/checks.c:
if (get_property(node, "spi-slave"))
spi_addr_cells = 0;
if (node_addr_cells(node) != spi_addr_cells)
FAIL(c, dti, node, "incorrect #address-cells for SPI bus");
if (node_size_cells(node) != 0)
FAIL(c, dti, node, "incorrect #size-cells for SPI bus");
The above code in check_spi_bus_bridge() require that the number of address
cells must be 0. So we should explicitly declare "#address-cells = <0>".
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20201013160845.1772-4-thunder.leizhen@huawei.com
Signed-off-by: Rob Herring <robh@kernel.org>
In the context of the anonymous address space lifespan description the
'mm_users' reference counter is confused with 'mm_count'. I.e a "zombie"
mm gets released when "mm_count" becomes zero, not "mm_users".
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Link: https://lkml.kernel.org/r/1597040695-32633-1-git-send-email-agordeev@linux.ibm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In the cgroup v1, we have a numa_stat interface. This is useful for
providing visibility into the numa locality information within an memcg
since the pages are allowed to be allocated from any physical node. One
of the use cases is evaluating application performance by combining this
information with the application's CPU allocation. But the cgroup v2 does
not. So this patch adds the missing information.
Suggested-by: Shakeel Butt <shakeelb@google.com>
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Cc: Zefan Li <lizefan@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Link: https://lkml.kernel.org/r/20200916100030.71698-2-songmuchun@bytedance.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Disable parsing of the HMAT for debug, to workaround broken platform
instances, or cases where it is otherwise not wanted.
[rdunlap@infradead.org: fix build when CONFIG_ACPI is not set]
Link: https://lkml.kernel.org/r/70e5ee34-9809-a997-7b49-499e4be61307@infradead.org
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Brice Goglin <Brice.Goglin@inria.fr>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: David Hildenbrand <david@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Jason Gunthorpe <jgg@mellanox.com>
Cc: Jeff Moyer <jmoyer@redhat.com>
Cc: Jia He <justin.he@arm.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Paul Mackerras <paulus@ozlabs.org>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Wei Yang <richard.weiyang@linux.alibaba.com>
Cc: Will Deacon <will@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Hulk Robot <hulkci@huawei.com>
Cc: Jason Yan <yanaijie@huawei.com>
Cc: "Jérôme Glisse" <jglisse@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: kernel test robot <lkp@intel.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Vivek Goyal <vgoyal@redhat.com>
Link: https://lkml.kernel.org/r/159643095540.4062302.732962081968036212.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kmemleak-test.c is just a kmemleak test module, which also can not be used
as a built-in kernel module. Thus, i think it may should not be in mm
dir, and move the kmemleak-test.c to samples/kmemleak/kmemleak-test.c.
Fix the spelling of built-in by the way.
Signed-off-by: Hui Su <sh_def@163.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Rob Herring <robh@kernel.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Divya Indi <divya.indi@oracle.com>
Cc: Tomas Winkler <tomas.winkler@intel.com>
Cc: David Howells <dhowells@redhat.com>
Link: https://lkml.kernel.org/r/20200925183729.GA172837@rlk
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
During an investigation to fix up the execute bits of scripts in the
kernel repository, Andrew Morton and Kees Cook pointed out that the
execute bit should not matter, and that build scripts cannot rely on that.
Kees could not point to any documentation, though.
Masahiro Yamada explained the convention of setting execute bits to make
it easier for manual script invocation.
Provide some basic documentation how the build shall invoke scripts, such
that the execute bits do not matter, and acknowledge that execute bits are
useful nonetheless.
This serves as reference for further clean-up patches in the future.
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Suggested-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Michal Marek <michal.lkml@markovi.net>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Ujjwal Kumar <ujjwalkumar0501@gmail.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/lkml/20200830174409.c24c3f67addcce0cea9a9d4c@linux-foundation.org/
Link: https://lore.kernel.org/lkml/202008271102.FEB906C88@keescook/
Link: https://lore.kernel.org/linux-kbuild/CAK7LNAQdrvMkDA6ApDJCGr+5db8SiPo=G+p8EiOvnnGvEN80gA@mail.gmail.com/
Link: https://lkml.kernel.org/r/20201001075723.24246-1-lukas.bulwahn@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since the kernel now requires at least Clang 10.0.1, remove any mention of
old Clang versions and simplify the documentation.
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: Fangrui Song <maskray@google.com>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lkml.kernel.org/r/20200902225911.209899-7-ndesaulniers@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add device tree bindings for display clock controller for
Qualcomm Technology Inc's SM8150 and SM8250 SoCs.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> (SM8250)
Link: https://lore.kernel.org/r/20200927190653.13876-2-jonathan@marek.ca
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add device tree bindings for video clock controller for SM8250 SoCs.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200923160635.28370-4-jonathan@marek.ca
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add device tree bindings for video clock controller for SM8150 SoCs.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200923160635.28370-3-jonathan@marek.ca
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
These two bindings are almost identical, so combine them into one. This
will make it easier to add the sm8150 and sm8250 videocc bindings.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200923160635.28370-2-jonathan@marek.ca
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add recovery configuration to the sysfs interface. This will
allow usage of this configuration feature in production
devices where access to debugfs might be limited.
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Link: https://lore.kernel.org/r/1601662144-5964-4-git-send-email-rishabhb@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Add coredump as part of the sysfs interface. This will
allow usage of this configuration feature in production
devices where access to debugfs might be limited.
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Link: https://lore.kernel.org/r/1601662144-5964-3-git-send-email-rishabhb@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The Texas Instruments K3 family of SoCs have one or more dual-core
Arm Cortex R5F processor subsystems/clusters (R5FSS). The clusters
can be split between multiple voltage domains as well. Add the device
tree bindings document for these R5F subsystem devices. These R5F
processors do not have an MMU, and so require fixed memory carveout
regions matching the firmware image addresses. The nodes require more
than one memory region, with the first memory region used for DMA
allocations at runtime. The remaining memory regions are reserved
and are used for the loading and running of the R5F remote processors.
The R5F processors can also optionally use any internal on-chip SRAM
memories either for executing code or using it as fast-access data.
The added example illustrates the DT nodes for the single R5FSS device
present on K3 AM65x family of SoCs.
Signed-off-by: Suman Anna <s-anna@ti.com>
Link: https://lore.kernel.org/r/20201002234234.20704-2-s-anna@ti.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Merge tag 'selinux-pr-20201012' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux updates from Paul Moore:
"A decent number of SELinux patches for v5.10, twenty two in total. The
highlights are listed below, but all of the patches pass our test
suite and merge cleanly.
- A number of changes to how the SELinux policy is loaded and managed
inside the kernel with the goal of improving the atomicity of a
SELinux policy load operation.
These changes account for the bulk of the diffstat as well as the
patch count. A special thanks to everyone who contributed patches
and fixes for this work.
- Convert the SELinux policy read-write lock to RCU.
- A tracepoint was added for audited SELinux access control events;
this should help provide a more unified backtrace across kernel and
userspace.
- Allow the removal of security.selinux xattrs when a SELinux policy
is not loaded.
- Enable policy capabilities in SELinux policies created with the
scripts/selinux/mdp tool.
- Provide some "no sooner than" dates for the SELinux checkreqprot
sysfs deprecation"
* tag 'selinux-pr-20201012' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux: (22 commits)
selinux: provide a "no sooner than" date for the checkreqprot removal
selinux: Add helper functions to get and set checkreqprot
selinux: access policycaps with READ_ONCE/WRITE_ONCE
selinux: simplify away security_policydb_len()
selinux: move policy mutex to selinux_state, use in lockdep checks
selinux: fix error handling bugs in security_load_policy()
selinux: convert policy read-write lock to RCU
selinux: delete repeated words in comments
selinux: add basic filtering for audit trace events
selinux: add tracepoint on audited events
selinux: Create new booleans and class dirs out of tree
selinux: Standardize string literal usage for selinuxfs directory names
selinux: Refactor selinuxfs directory populating functions
selinux: Create function for selinuxfs directory cleanup
selinux: permit removing security.selinux xattr before policy load
selinux: fix memdup.cocci warnings
selinux: avoid dereferencing the policy prior to initialization
selinux: fix allocation failure check on newpolicy->sidtab
selinux: refactor changing booleans
selinux: move policy commit after updating selinuxfs
...
With the introduction of netif_set_xps_queue, XPS can be enabled
by the driver at initialization.
Update the documentation to reflect this, as otherwise users
may incorrectly believe that the feature is off by default.
Fixes: 537c00de1c ("net: Add functions netif_reset_xps_queue and netif_set_xps_queue")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'printk-for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
"The big new thing is the fully lockless ringbuffer implementation,
including the support for continuous lines. It will allow to store and
read messages in any situation wihtout the risk of deadlocks and
without the need of temporary per-CPU buffers.
The access is still serialized by logbuf_lock. It synchronizes few
more operations, for example, temporary buffer for formatting the
message, syslog and kmsg_dump operations. The lock removal is being
discussed and should be ready for the next release.
The continuous lines are handled exactly the same way as before to
avoid regressions in user space. It means that they are appended to
the last message when the caller is the same. Only the last message
can be extended.
The data ring includes plain text of the messages. Except for an
integer at the beginning of each message that points back to the
descriptor ring with other metadata.
The dictionary has to stay. journalctl uses it to filter the log. It
allows to show messages related to a given device. The dictionary
values are stored in the descriptor ring with the other metadata.
This is the first part of the printk rework as discussed at Plumbers
2019, see https://lore.kernel.org/r/87k1acz5rx.fsf@linutronix.de. The
next big step will be handling consoles by kthreads during the normal
system operation. It will require special handling of situations when
the kthreads could not get scheduled, for example, early boot,
suspend, panic.
Other changes:
- Add John Ogness as a reviewer for printk subsystem. He is author of
the rework and is familiar with the code and history.
- Fix locking in serial8250_do_startup() to prevent lockdep report.
- Few code cleanups"
* tag 'printk-for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: (27 commits)
printk: Use fallthrough pseudo-keyword
printk: reduce setup_text_buf size to LOG_LINE_MAX
printk: avoid and/or handle record truncation
printk: remove dict ring
printk: move dictionary keys to dev_printk_info
printk: move printk_info into separate array
printk: reimplement log_cont using record extension
printk: ringbuffer: add finalization/extension support
printk: ringbuffer: change representation of states
printk: ringbuffer: clear initial reserved fields
printk: ringbuffer: add BLK_DATALESS() macro
printk: ringbuffer: relocate get_data()
printk: ringbuffer: avoid memcpy() on state_var
printk: ringbuffer: fix setting state in desc_read()
kernel.h: Move oops_in_progress to printk.h
scripts/gdb: update for lockless printk ringbuffer
scripts/gdb: add utils.read_ulong()
docs: vmcoreinfo: add lockless printk ringbuffer vmcoreinfo
printk: reduce LOG_BUF_SHIFT range for H8300
printk: ringbuffer: support dataless records
...
A zoned device with limited resources to open or activate zones may
return an error when the host exceeds those limits. The same command may
be successful if retried later, but the host needs to wait for specific
zone states before it should expect a retry to succeed. Have the block
layer provide an appropriate status for these conditions so applications
can distinuguish this error for special handling.
Cc: linux-api@vger.kernel.org
Cc: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Merge tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
- Series of merge handling cleanups (Baolin, Christoph)
- Series of blk-throttle fixes and cleanups (Baolin)
- Series cleaning up BDI, seperating the block device from the
backing_dev_info (Christoph)
- Removal of bdget() as a generic API (Christoph)
- Removal of blkdev_get() as a generic API (Christoph)
- Cleanup of is-partition checks (Christoph)
- Series reworking disk revalidation (Christoph)
- Series cleaning up bio flags (Christoph)
- bio crypt fixes (Eric)
- IO stats inflight tweak (Gabriel)
- blk-mq tags fixes (Hannes)
- Buffer invalidation fixes (Jan)
- Allow soft limits for zone append (Johannes)
- Shared tag set improvements (John, Kashyap)
- Allow IOPRIO_CLASS_RT for CAP_SYS_NICE (Khazhismel)
- DM no-wait support (Mike, Konstantin)
- Request allocation improvements (Ming)
- Allow md/dm/bcache to use IO stat helpers (Song)
- Series improving blk-iocost (Tejun)
- Various cleanups (Geert, Damien, Danny, Julia, Tetsuo, Tian, Wang,
Xianting, Yang, Yufen, yangerkun)
* tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-block: (191 commits)
block: fix uapi blkzoned.h comments
blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue
blk-mq: get rid of the dead flush handle code path
block: get rid of unnecessary local variable
block: fix comment and add lockdep assert
blk-mq: use helper function to test hw stopped
block: use helper function to test queue register
block: remove redundant mq check
block: invoke blk_mq_exit_sched no matter whether have .exit_sched
percpu_ref: don't refer to ref->data if it isn't allocated
block: ratelimit handle_bad_sector() message
blk-throttle: Re-use the throtl_set_slice_end()
blk-throttle: Open code __throtl_de/enqueue_tg()
blk-throttle: Move service tree validation out of the throtl_rb_first()
blk-throttle: Move the list operation after list validation
blk-throttle: Fix IO hang for a corner case
blk-throttle: Avoid tracking latency if low limit is invalid
blk-throttle: Avoid getting the current time if tg->last_finish_time is 0
blk-throttle: Remove a meaningless parameter for throtl_downgrade_state()
block: Remove redundant 'return' statement
...
booting-without-of.rst is an ancient document that first outlined
Flattened DeviceTree on PowerPC initially. The DT world has evolved a
lot in the 15 years since and booting-without-of.rst is pretty stale.
The name of the document itself is confusing if you don't understand the
evolution from real 'OpenFirmware'. Most of what booting-without-of.rst
contains is now in the DT specification (which evolved out of the
ePAPR). The few things that weren't documented in the DT specification
are now.
All that remains is the boot entry details, so let's move these to arch
specific documents. The exception is arm which already has the same
details documented.
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-mips@vger.kernel.org
Cc: linux-doc@vger.kernel.org
Cc: linux-sh@vger.kernel.org
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Rob Herring <robh@kernel.org>
New driver and chip support:
- Moortec MR75203 PVT controller
- MPS Multi-phase mp2975 controller
- ADM1266
- Zen3 CPUs
- Intel MAX 10 BMC
Enhancements:
- Support for rated attributes in hwmon core
- MAX20730
- Device monitoring via debugfs
- VOUT readin adjustment vie devicetree bindings
- LM75
- Devicetree support
- Regulator support
- Improved accumulationm logic in amd_energy driver
- Added fan sensor to gsc-hwmon driver
- Support for simplified I2C probing
Various other minor fixes and improvements.
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Merge tag 'hwmon-for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New driver and chip support:
- Moortec MR75203 PVT controller
- MPS Multi-phase mp2975 controller
- ADM1266
- Zen3 CPUs
- Intel MAX 10 BMC
Enhancements:
- Support for rated attributes in hwmon core
- MAX20730:
- Device monitoring via debugfs
- VOUT readin adjustment vie devicetree bindings
- LM75:
- Devicetree support
- Regulator support
- Improved accumulationm logic in amd_energy driver
- Added fan sensor to gsc-hwmon driver
- Support for simplified I2C probing
Various other minor fixes and improvements"
* tag 'hwmon-for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (64 commits)
hwmon: (pmbus/max20730) adjust the vout reading given voltage divider
dt-bindings: hwmon: max20730: adding device tree doc for max20730
hwmon: Add hardware monitoring driver for Moortec MR75203 PVT controller
hwmon: Add DT bindings schema for PVT controller
dt-bindings: hwmon: Add the +vs supply to the lm75 bindings
dt-bindings: hwmon: Convert lm75 bindings to yaml
docs: hwmon: (ltc2945) update datasheet link
hwmon: (mlxreg-fan) Fix double "Mellanox"
hwmon: (pmbus/max20730) add device monitoring via debugfs
hwmon: (pmbus/max34440) Fix OC fault limits
hwmon: (bt1-pvt) Wait for the completion with timeout
hwmon: (bt1-pvt) Cache current update timeout
hwmon: (bt1-pvt) Test sensor power supply on probe
hwmon: (lm75) Add regulator support
hwmon: Add hwmon driver for Intel MAX 10 BMC
dt-bindings: Add MP2975 voltage regulator device
hwmon: (pmbus) Add support for MPS Multi-phase mp2975 controller
hwmon: (tmp513) fix spelling typo in comments
hwmon: (amd_energy) Update driver documentation
hwmon: (amd_energy) Improve the accumulation logic
...
Core changes:
- The big core change is the updated (v2) userspace character
device API. This corrects badly designed 64-bit alignment around
the line events. We also add the debounce request feature.
This echoes the often quotes passage from Frederick Brooks
"The mythical man-month" to always throw one away, which we
have seen before in things such as V4L2. So we put in a new
one and deprecate and obsolete the old one.
- All example tools in tools/gpio/* are migrated to the new API
to set a good example. The libgpiod userspace library has been
augmented to use this new API pretty much from day 1.
- Some misc API hardening by using strn* function calls has been
added as well.
- Use the simpler IDA interface for GPIO chip instance enumeration.
- Add device core function for counting string arrays in
device properties.
- Provide a generic library function kfree_strarray() that can
be used throughout the kernel.
Driver enhancements:
- The DesignWare dwapb-gpio driver has been enhanced and now
uses the IRQ handling in the gpiolib core.
- The mockup and aggregator drivers have seen some substantial
code clean-up and now use more of the core kernel
inftrastructure.
- Misc cleanups using dev_err_probe().
- The MXC drivers (Freescale/NXP) can now be built modularized,
which makes modularized GKI Android kernels happy.
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Merge tag 'gpio-v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This time very little driver changes but lots of core changes.
We have some interesting cooperative work for ARM and Intel alike,
making the GPIO subsystem more and more suitable for industrial
systems and the like, in addition to the in-kernel users.
We touch driver core (device properties) and lib/* by adding one
simple string array free function, these are authored by Andy
Shevchenko who is a well known and recognized core helpers maintainers
so this should be fine.
We also see some Android GKI-related modularization in the MXC
drivers.
Core changes:
- The big core change is the updated (v2) userspace character device
API.
This corrects badly designed 64-bit alignment around the line
events. We also add the debounce request feature. This echoes the
often quotes passage from Frederick Brooks "The mythical man-month"
to always throw one away, which we have seen before in things such
as V4L2. So we put in a new one and deprecate and obsolete the old
one.
- All example tools in tools/gpio/* are migrated to the new API to
set a good example. The libgpiod userspace library has been
augmented to use this new API pretty much from day 1.
- Some misc API hardening by using strn* function calls has been
added as well.
- Use the simpler IDA interface for GPIO chip instance enumeration.
- Add device core function for counting string arrays in device
properties.
- Provide a generic library function kfree_strarray() that can be
used throughout the kernel.
Driver enhancements:
- The DesignWare dwapb-gpio driver has been enhanced and now uses the
IRQ handling in the gpiolib core.
- The mockup and aggregator drivers have seen some substantial code
clean-up and now use more of the core kernel inftrastructure.
- Misc cleanups using dev_err_probe().
- The MXC drivers (Freescale/NXP) can now be built modularized, which
makes modularized GKI Android kernels happy"
* tag 'gpio-v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (73 commits)
gpiolib: Update header block in gpiolib-cdev.h
gpiolib: cdev: switch from kstrdup() to kstrndup()
docs: gpio: add a new document to its index.rst
gpio: pca953x: Add support for the NXP PCAL9554B/C
tools: gpio: add debounce support to gpio-event-mon
tools: gpio: add multi-line monitoring to gpio-event-mon
tools: gpio: port gpio-event-mon to v2 uAPI
tools: gpio: port gpio-hammer to v2 uAPI
tools: gpio: rename nlines to num_lines
tools: gpio: port gpio-watch to v2 uAPI
tools: gpio: port lsgpio to v2 uAPI
gpio: uapi: document uAPI v1 as deprecated
gpiolib: cdev: support setting debounce
gpiolib: cdev: support GPIO_V2_LINE_SET_VALUES_IOCTL
gpiolib: cdev: support GPIO_V2_LINE_SET_CONFIG_IOCTL
gpiolib: cdev: support edge detection for uAPI v2
gpiolib: cdev: support GPIO_V2_GET_LINEINFO_IOCTL and GPIO_V2_GET_LINEINFO_WATCH_IOCTL
gpiolib: cdev: support GPIO_V2_GET_LINE_IOCTL and GPIO_V2_LINE_GET_VALUES_IOCTL
gpiolib: add build option for CDEV v1 ABI
gpiolib: make cdev a build option
...
There's quite a lot of changes for SPI in this release but none in the
core, they're all mostly small driver updates and additions. Some of
the more notable changes include:
- A huge set of cleanups, optimizations and improvements for the
DesignWare driver from Serge Semin finishing up the work started
last release.
- Conversion of the Zynq gqspi driver to spi-mem.
- Support for Baikal T1, Broadcom BCMSTB 7445, and Renesas R8A7742.
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Merge tag 'spi-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"There's quite a lot of changes for SPI in this release but none in the
core, they're all mostly small driver updates and additions. Some of
the more notable changes include:
- A huge set of cleanups, optimizations and improvements for the
DesignWare driver from Serge Semin finishing up the work started
last release.
- Conversion of the Zynq gqspi driver to spi-mem.
- Support for Baikal T1, Broadcom BCMSTB 7445, and Renesas R8A7742"
* tag 'spi-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (137 commits)
spi: cadence: Add SPI transfer delays
spi: dw: Add Baikal-T1 SPI Controller bindings
spi: dw: Add Baikal-T1 SPI Controller glue driver
spi: dw: Add poll-based SPI transfers support
spi: dw: Introduce max mem-ops SPI bus frequency setting
spi: dw: Add memory operations support
spi: dw: Add generic DW SSI status-check method
spi: dw: Move num-of retries parameter to the header file
spi: dw: Explicitly de-assert CS on SPI transfer completion
spi: dw: De-assert chip-select on reset
spi: dw: Discard chip enabling on DMA setup error
spi: dw: Unmask IRQs after enabling the chip
spi: dw: Perform IRQ setup in a dedicated function
spi: dw: Refactor IRQ-based SPI transfer procedure
spi: dw: Refactor data IO procedure
spi: dw: Add DW SPI controller config structure
spi: dw: Update Rx sample delay in the config function
spi: dw: Simplify the SPI bus speed config procedure
spi: dw: Update SPI bus speed in a config function
spi: dw: Detach SPI device specific CR0 config method
...
This is a fairly small release for the regulator API, there's quite a
few new devices supported and some important improvements around coupled
regulators in the core but mostly just small fixes and improvements
otherwise.
- Fixes and cleanups around the handling of coupled regulators.
- A special driver for some Raspberry Pi panels with some unusually
custom stuff around them.
- Support for Qualcomm PM660/PM660L, PM8950 and PM8953, Richtek RT4801
and RTMV20, Rohm BD9576MUF and BD9573MUF.
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Merge tag 'regulator-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This is a fairly small release for the regulator API, there's quite a
few new devices supported and some important improvements around
coupled regulators in the core but mostly just small fixes and
improvements otherwise.
Summary:
- Fixes and cleanups around the handling of coupled regulators.
- A special driver for some Raspberry Pi panels with some unusually
custom stuff around them.
- Support for Qualcomm PM660/PM660L, PM8950 and PM8953, Richtek
RT4801 and RTMV20, Rohm BD9576MUF and BD9573MUF"
* tag 'regulator-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (89 commits)
regulator: bd9576: Fix print
regulator: bd9576: fix regulator binfdings dt node names
dt-bindings: regulator: document pm8950 and pm8953 smd regulators
regulator: qcom_smd: add pm8953 regulators
regulator: Make constraint debug processing conditional on DEBUG
regulator: qcom: labibb: Constify static structs
regulator: dt-bindings: Document the PM660/PM660L PMICs entries
regulator: qcom_smd: Add PM660/PM660L regulator support
regulator: dt-bindings: Document the PM660/660L SPMI PMIC entries
regulator: qcom_spmi: Add PM660/PM660L regulators
regulator: qcom_spmi: Add support for new regulator types
regulator: core: Enlarge max OF property name length to 64 chars
regulator: tps65910: use regmap accessors
regulator: rtmv20: Add missing regcache cache only before marked as dirty
regulator: rtmv20: Update DT binding document and property name parsing
regulator: rtmv20: Add DT-binding document for Richtek RTMV20
regulator: rtmv20: Adds support for Richtek RTMV20 load switch regulator
regulator: resolve supply after creating regulator
regulator: print symbolic errors in kernel messages
regulator: print state at boot
...
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Merge tag 'media/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- the usbvision driver was dropped from staging
- the Zoran driver were re-added at staging. It gained lots of
improvements, and was converted to use videobuf2 API
- a new virtual driver (vidtv) was added in order to allow testing the
digital TV framework and APIs
- the media uAPI documentation gained a glossary with commonly used
terms, helping to simplify some parts of the docs
- more cleanups at the atomisp driver
- Mediatek VPU gained support for MT8183
- added support for codecs with supports doing colorspace conversion
(CSC)
- support for CSC API was added at vivid and rksip1 drivers
- added a helper core support and uAPI for better supporting H.264
codecs
- added support for Renesas R8A774E1
- use the new SPDX GFDL-1.1-no-invariants-or-later license on media
uAPI docs, instead of a license text
- Venus driver has gained VP9 codec support
- lots of other cleanups and driver improvements
* tag 'media/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (555 commits)
media: dvb-frontends/drxk_hard.c: fix uninitialized variable warning
media: tvp7002: fix uninitialized variable warning
media: s5k5baf: drop 'data' field in struct s5k5baf_fw
media: dt-bindings: media: venus: Add an optional power domain for perf voting
media: rcar-vin: rcar-dma: Fix setting VNIS_REG for RAW8 formats
media: staging: rkisp1: uapi: Do not use BIT() macro
media: v4l2-mem2mem: Fix spurious v4l2_m2m_buf_done
media: usbtv: Fix refcounting mixup
media: zoran.rst: place it at the right place this time
media: add Zoran cardlist
media: admin-guide: update cardlists
media: siano: rename a duplicated card string
media: zoran: move documentation file to the right place
media: atomisp: fixes build breakage for ISP2400 due to a cleanup
media: zoran: fix mixed case on vars
media: zoran: get rid of an unused var
media: zoran: use upper case for card types
media: zoran: fix sparse warnings
media: zoran: fix smatch warning
media: zoran: update TODO
...
- Export SDIO revision and info strings to userspace
- Add support for specifying mmc/mmcblk index via mmc aliases in DT
MMC host:
- Enable support for async probe for all mmc host drivers
- Enable compile testing of multiple host drivers
- dw_mmc: Enable the Synopsys DesignWare driver for RISCV and CSKY
- mtk-sd: Fixup support for CQHCI
- owl-mmc: Add support for the actions,s700-mmc variant
- renesas_sdhi: Fix regression (temporary) for re-insertion of SD cards
- renesas_sdhi: Add support for the r8a774e1 variant
- renesas_sdhi/tmio: Improvements for tunings
- renesas_sdhi/tmio: Rework support for reset of controller
- sdhci-acpi: Fix HS400 tuning for devices with invalid presets on AMDI0040
- sdhci_am654: Improve support for tunings
- sdhci_am654: Add support for input tap delays
- sdhci_am654: Add workaround for card detect debounce timer
- sdhci-am654: Add support for the TI's J7200 variants
- sdhci-esdhc-imx: Fix support for manual tuning
- sdhci-iproc: Enable support for eMMC DDR 3.3V for bcm2711
- sdhci-msm: Fix stability issues with HS400 for sc7180
- sdhci-of-sparx5: Add Sparx5 SoC eMMC driver
- sdhci-of-esdhc: Fixup reference clock source selection
- sdhci-pci: Add LTR support for some Intel BYT controllers
- sdhci-pci-gli: Add CQHCI Support for GL9763E
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Merge tag 'mmc-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Export SDIO revision and info strings to userspace
- Add support for specifying mmc/mmcblk index via mmc aliases in DT
MMC host:
- Enable support for async probe for all mmc host drivers
- Enable compile testing of multiple host drivers
- dw_mmc: Enable the Synopsys DesignWare driver for RISCV and CSKY
- mtk-sd: Fixup support for CQHCI
- owl-mmc: Add support for the actions,s700-mmc variant
- renesas_sdhi: Fix regression (temporary) for re-insertion of SD cards
- renesas_sdhi: Add support for the r8a774e1 variant
- renesas_sdhi/tmio: Improvements for tunings
- renesas_sdhi/tmio: Rework support for reset of controller
- sdhci-acpi: Fix HS400 tuning for devices with invalid presets on AMDI0040
- sdhci_am654: Improve support for tunings
- sdhci_am654: Add support for input tap delays
- sdhci_am654: Add workaround for card detect debounce timer
- sdhci-am654: Add support for the TI's J7200 variants
- sdhci-esdhc-imx: Fix support for manual tuning
- sdhci-iproc: Enable support for eMMC DDR 3.3V for bcm2711
- sdhci-msm: Fix stability issues with HS400 for sc7180
- sdhci-of-sparx5: Add Sparx5 SoC eMMC driver
- sdhci-of-esdhc: Fixup reference clock source selection
- sdhci-pci: Add LTR support for some Intel BYT controllers
- sdhci-pci-gli: Add CQHCI Support for GL9763E"
* tag 'mmc-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (91 commits)
mmc: sdhci_am654: Fix module autoload
mmc: renesas_sdhi: workaround a regression when reinserting SD cards
mmc: sdhci-pci-gli: Add CQHCI Support for GL9763E
mmc: sdhci-acpi: AMDI0040: Set SDHCI_QUIRK2_PRESET_VALUE_BROKEN
mmc: sdhci_am654: Enable tuning for SDR50
mmc: sdhci_am654: Add support for software tuning
mmc: sdhci_am654: Add support for input tap delay
mmc: sdhci_am654: Fix hard coded otap delay array size
dt-bindings: mmc: sdhci-am654: Add documentation for input tap delay
dt-bindings: mmc: sdhci-am654: Convert sdhci-am654 controller documentation to json schema
mmc: sdhci-of-esdhc: fix reference clock source selection
mmc: host: fix depends for MMC_MESON_GX w/ COMPILE_TEST
mmc: sdhci-s3c: hide forward declaration of of_device_id behind CONFIG_OF
mmc: sdhci: fix indentation mistakes
mmc: moxart: remove unneeded check for drvdata
mmc: renesas_sdhi: drop local flag for tuning
mmc: rtsx_usb_sdmmc: simplify the return expression of sd_change_phase()
mmc: core: document mmc_hw_reset()
mmc: mediatek: Drop pointer to mmc_host from msdc_host
dt-bindings: mmc: owl: add compatible string actions,s700-mmc
...
The SafeSetID LSM has functionality for restricting setuid() calls based
on its configured security policies. This patch adds the analogous
functionality for setgid() calls. This is mostly a copy-and-paste change
with some code deduplication, plus slight modifications/name changes to
the policy-rule-related structs (now contain GID rules in addition to
the UID ones) and some type generalization since SafeSetID now needs to
deal with kgid_t and kuid_t types.
Signed-off-by: Thomas Cedeno <thomascedeno@google.com>
Signed-off-by: Micah Morton <mortonm@chromium.org>
Pull crypto updates from Herbert Xu:
"API:
- Allow DRBG testing through user-space af_alg
- Add tcrypt speed testing support for keyed hashes
- Add type-safe init/exit hooks for ahash
Algorithms:
- Mark arc4 as obsolete and pending for future removal
- Mark anubis, khazad, sead and tea as obsolete
- Improve boot-time xor benchmark
- Add OSCCA SM2 asymmetric cipher algorithm and use it for integrity
Drivers:
- Fixes and enhancement for XTS in caam
- Add support for XIP8001B hwrng in xiphera-trng
- Add RNG and hash support in sun8i-ce/sun8i-ss
- Allow imx-rngc to be used by kernel entropy pool
- Use crypto engine in omap-sham
- Add support for Ingenic X1830 with ingenic"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (205 commits)
X.509: Fix modular build of public_key_sm2
crypto: xor - Remove unused variable count in do_xor_speed
X.509: fix error return value on the failed path
crypto: bcm - Verify GCM/CCM key length in setkey
crypto: qat - drop input parameter from adf_enable_aer()
crypto: qat - fix function parameters descriptions
crypto: atmel-tdes - use semicolons rather than commas to separate statements
crypto: drivers - use semicolons rather than commas to separate statements
hwrng: mxc-rnga - use semicolons rather than commas to separate statements
hwrng: iproc-rng200 - use semicolons rather than commas to separate statements
hwrng: stm32 - use semicolons rather than commas to separate statements
crypto: xor - use ktime for template benchmarking
crypto: xor - defer load time benchmark to a later time
crypto: hisilicon/zip - fix the uninitalized 'curr_qm_qp_num'
crypto: hisilicon/zip - fix the return value when device is busy
crypto: hisilicon/zip - fix zero length input in GZIP decompress
crypto: hisilicon/zip - fix the uncleared debug registers
lib/mpi: Fix unused variable warnings
crypto: x86/poly1305 - Remove assignments with no effect
hwrng: npcm - modify readl to readb
...
Some hardware designs have USB typec connector attached to both
SoC and super speed mux. We need to use separate connector node for
such design.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20200920134905.4370-2-biju.das.jz@bp.renesas.com
Signed-off-by: Rob Herring <robh@kernel.org>
* acpi-numa:
docs: mm: numaperf.rst Add brief description for access class 1.
node: Add access1 class to represent CPU to memory characteristics
ACPI: HMAT: Fix handling of changes from ACPI 6.2 to ACPI 6.3
ACPI: Let ACPI know we support Generic Initiator Affinity Structures
x86: Support Generic Initiator only proximity domains
ACPI: Support Generic Initiator only domains
ACPI / NUMA: Add stub function for pxm_to_node()
irq-chip/gic-v3-its: Fix crash if ITS is in a proximity domain without processor or memory
ACPI: Remove side effect of partly creating a node in acpi_get_node()
ACPI: Rename acpi_map_pxm_to_online_node() to pxm_to_online_node()
ACPI: Remove side effect of partly creating a node in acpi_map_pxm_to_online_node()
ACPI: Do not create new NUMA domains from ACPI static tables that are not SRAT
ACPI: Add out of bounds and numa_off protections to pxm_to_node()
* pm-cpuidle:
cpuidle: record state entry rejection statistics
cpuidle: psci: Allow PM domain to be initialized even if no OSI mode
firmware: psci: Extend psci_set_osi_mode() to allow reset to PC mode
ACPI: processor: Print more information when acpi_processor_evaluate_cst() fails
cpuidle: tegra: Correctly handle result of arm_cpuidle_simple_enter()
* pm-devfreq:
PM / devfreq: tegra30: Improve initial hardware resetting
PM / devfreq: event: Change prototype of devfreq_event_get_edev_by_phandle function
PM / devfreq: Change prototype of devfreq_get_devfreq_by_phandle function
PM / devfreq: Add devfreq_get_devfreq_by_node function
In the dt-bindings, "atu" reg-names is required to get the register space
for iATU in Synopsis DWC version 4.80 or later.
Link: https://lore.kernel.org/r/1601444167-11316-3-git-send-email-hayashi.kunihiko@socionext.com
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
In the dt-bindings, "atu" reg-names is required to get the register space
for iATU in Synopsys DWC version 4.80 or later.
Link: https://lore.kernel.org/r/1601444167-11316-2-git-send-email-hayashi.kunihiko@socionext.com
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
The ARM MHU's reference manual states following:
"The MHU drives the signal using a 32-bit register, with all 32 bits
logically ORed together. The MHU provides a set of registers to enable
software to set, clear, and check the status of each of the bits of this
register independently. The use of 32 bits for each interrupt line
enables software to provide more information about the source of the
interrupt. For example, each bit of the register can be associated with
a type of event that can contribute to raising the interrupt."
This patch thus extends the MHU controller's DT binding to add support
for doorbell mode.
Though the same MHU hardware controller is used in the two modes, A new
compatible string is added here to represent the combination of the MHU
hardware and the firmware sitting on the other side (which expects each
bit to represent a different signal now).
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Co-developed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
no conflicts at all. This pull includes:
- A reworked and expanded user-mode Linux document
- Some simplifications and improvements for submitting-patches.rst
- An emergency fix for (some) problems with Sphinx 3.x
- Some welcome automarkup improvements to automatically generate
cross-references to struct definitions and other documents
- The usual collection of translation updates, typo fixes, etc.
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Merge tag 'docs-5.10' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"As hoped, things calmed down for docs this cycle; fewer changes and
almost no conflicts at all. This includes:
- A reworked and expanded user-mode Linux document
- Some simplifications and improvements for submitting-patches.rst
- An emergency fix for (some) problems with Sphinx 3.x
- Some welcome automarkup improvements to automatically generate
cross-references to struct definitions and other documents
- The usual collection of translation updates, typo fixes, etc"
* tag 'docs-5.10' of git://git.lwn.net/linux: (81 commits)
gpiolib: Update indentation in driver.rst for code excerpts
Documentation/admin-guide: tainted-kernels: Fix typo occured
Documentation: better locations for sysfs-pci, sysfs-tagging
docs: programming-languages: refresh blurb on clang support
Documentation: kvm: fix a typo
Documentation: Chinese translation of Documentation/arm64/amu.rst
doc: zh_CN: index files in arm64 subdirectory
mailmap: add entry for <mstarovoitov@marvell.com>
doc: seq_file: clarify role of *pos in ->next()
docs: trace: ring-buffer-design.rst: use the new SPDX tag
Documentation: kernel-parameters: clarify "module." parameters
Fix references to nommu-mmap.rst
docs: rewrite admin-guide/sysctl/abi.rst
docs: fb: Remove vesafb scrollback boot option
docs: fb: Remove sstfb scrollback boot option
docs: fb: Remove matroxfb scrollback boot option
docs: fb: Remove framebuffer scrollback boot option
docs: replace the old User Mode Linux HowTo with a new one
Documentation/admin-guide: blockdev/ramdisk: remove use of "rdev"
Documentation/admin-guide: README & svga: remove use of "rdev"
...
Alexei Starovoitov says:
====================
pull-request: bpf-next 2020-10-12
The main changes are:
1) The BPF verifier improvements to track register allocation pattern, from Alexei and Yonghong.
2) libbpf relocation support for different size load/store, from Andrii.
3) bpf_redirect_peer() helper and support for inner map array with different max_entries, from Daniel.
4) BPF support for per-cpu variables, form Hao.
5) sockmap improvements, from John.
====================
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Preliminary RISC-V enablement - the bulk of it will arrive via the RISCV tree.
- Relax decompressed image placement rules for 32-bit ARM
- Add support for passing MOK certificate table contents via a config table
rather than a EFI variable.
- Add support for 18 bit DIMM row IDs in the CPER records.
- Work around broken Dell firmware that passes the entire Boot#### variable
contents as the command line
- Add definition of the EFI_MEMORY_CPU_CRYPTO memory attribute so we can
identify it in the memory map listings.
- Don't abort the boot on arm64 if the EFI RNG protocol is available but
returns with an error
- Replace slashes with exclamation marks in efivarfs file names
- Split efi-pstore from the deprecated efivars sysfs code, so we can
disable the latter on !x86.
- Misc fixes, cleanups and updates.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'efi-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI changes from Ingo Molnar:
- Preliminary RISC-V enablement - the bulk of it will arrive via the
RISCV tree.
- Relax decompressed image placement rules for 32-bit ARM
- Add support for passing MOK certificate table contents via a config
table rather than a EFI variable.
- Add support for 18 bit DIMM row IDs in the CPER records.
- Work around broken Dell firmware that passes the entire Boot####
variable contents as the command line
- Add definition of the EFI_MEMORY_CPU_CRYPTO memory attribute so we
can identify it in the memory map listings.
- Don't abort the boot on arm64 if the EFI RNG protocol is available
but returns with an error
- Replace slashes with exclamation marks in efivarfs file names
- Split efi-pstore from the deprecated efivars sysfs code, so we can
disable the latter on !x86.
- Misc fixes, cleanups and updates.
* tag 'efi-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits)
efi: mokvar: add missing include of asm/early_ioremap.h
efi: efivars: limit availability to X86 builds
efi: remove some false dependencies on CONFIG_EFI_VARS
efi: gsmi: fix false dependency on CONFIG_EFI_VARS
efi: efivars: un-export efivars_sysfs_init()
efi: pstore: move workqueue handling out of efivars
efi: pstore: disentangle from deprecated efivars module
efi: mokvar-table: fix some issues in new code
efi/arm64: libstub: Deal gracefully with EFI_RNG_PROTOCOL failure
efivarfs: Replace invalid slashes with exclamation marks in dentries.
efi: Delete deprecated parameter comments
efi/libstub: Fix missing-prototypes in string.c
efi: Add definition of EFI_MEMORY_CPU_CRYPTO and ability to report it
cper,edac,efi: Memory Error Record: bank group/address and chip id
edac,ghes,cper: Add Row Extension to Memory Error Record
efi/x86: Add a quirk to support command line arguments on Dell EFI firmware
efi/libstub: Add efi_warn and *_once logging helpers
integrity: Load certs from the EFI MOK config table
integrity: Move import of MokListRT certs to a separate routine
efi: Support for MOK variable config table
...
- Add deadlock detection for recursive read-locks. The rationale is outlined
in:
224ec489d3cd: ("lockdep/Documention: Recursive read lock detection reasoning")
The main deadlock pattern we want to detect is:
TASK A: TASK B:
read_lock(X);
write_lock(X);
read_lock_2(X);
- Add "latch sequence counters" (seqcount_latch_t):
A sequence counter variant where the counter even/odd value is used to
switch between two copies of protected data. This allows the read path,
typically NMIs, to safely interrupt the write side critical section.
We utilize this new variant for sched-clock, and to make x86 TSC handling safer.
- Other seqlock cleanups, fixes and enhancements
- KCSAN updates
- LKMM updates
- Misc updates, cleanups and fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
"These are the locking updates for v5.10:
- Add deadlock detection for recursive read-locks.
The rationale is outlined in commit 224ec489d3 ("lockdep/
Documention: Recursive read lock detection reasoning")
The main deadlock pattern we want to detect is:
TASK A: TASK B:
read_lock(X);
write_lock(X);
read_lock_2(X);
- Add "latch sequence counters" (seqcount_latch_t):
A sequence counter variant where the counter even/odd value is used
to switch between two copies of protected data. This allows the
read path, typically NMIs, to safely interrupt the write side
critical section.
We utilize this new variant for sched-clock, and to make x86 TSC
handling safer.
- Other seqlock cleanups, fixes and enhancements
- KCSAN updates
- LKMM updates
- Misc updates, cleanups and fixes"
* tag 'locking-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (67 commits)
lockdep: Revert "lockdep: Use raw_cpu_*() for per-cpu variables"
lockdep: Fix lockdep recursion
lockdep: Fix usage_traceoverflow
locking/atomics: Check atomic-arch-fallback.h too
locking/seqlock: Tweak DEFINE_SEQLOCK() kernel doc
lockdep: Optimize the memory usage of circular queue
seqlock: Unbreak lockdep
seqlock: PREEMPT_RT: Do not starve seqlock_t writers
seqlock: seqcount_LOCKNAME_t: Introduce PREEMPT_RT support
seqlock: seqcount_t: Implement all read APIs as statement expressions
seqlock: Use unique prefix for seqcount_t property accessors
seqlock: seqcount_LOCKNAME_t: Standardize naming convention
seqlock: seqcount latch APIs: Only allow seqcount_latch_t
rbtree_latch: Use seqcount_latch_t
x86/tsc: Use seqcount_latch_t
timekeeping: Use seqcount_latch_t
time/sched_clock: Use seqcount_latch_t
seqlock: Introduce seqcount_latch_t
mm/swap: Do not abuse the seqcount_t latching API
time/sched_clock: Use raw_read_seqcount_latch() during suspend
...
When TABs are being used to indent the code excerpts inside the bullet
lists some of the tools [vim in particular] fail to recognize it and
continue interpreting the special characters inside the quoted excerpt.
Update indentation in driver.rst for code excerpts to avoid
their special interpretation.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20201007143817.76335-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Add properties: #address-cells, #size-cells and ranges. Due to the
Hisilicon CPU controller node may contains child nodes, change the value
of "additionalProperties" from "false" to "type: object".
The corresponding examples are also added.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20201012061225.1597-11-thunder.leizhen@huawei.com
Signed-off-by: Rob Herring <robh@kernel.org>
Add properties: #reset-cells, #address-cells, #size-cells and ranges. Due
to the Hisilicon system controller node may contains child nodes, change
the value of "additionalProperties" from "false" to "type: object". The
examples have also been updated.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20201012061225.1597-10-thunder.leizhen@huawei.com
Signed-off-by: Rob Herring <robh@kernel.org>
Core:
- Allow trimming of interrupt hierarchy to support odd hardware setups
where only a subset of the interrupts requires the full hierarchy.
- Allow the retrigger mechanism to follow a hierarchy to simplify
driver code.
- Provide a mechanism to force enable wakeup interrrupts on suspend.
- More infrastructure to handle IPIs in the core code
Architectures:
- Convert ARM/ARM64 IPI handling to utilize the interrupt core code.
Drivers:
- The usual pile of new interrupt chips (MStar, Actions Owl, TI PRUSS,
Designware ICTL)
- ARM(64) IPI related conversions
- Wakeup support for Qualcom PDC
- Prevent hierarchy corruption in the NVIDIA Tegra driver
- The usual small fixes, improvements and cleanups all over the place.
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Merge tag 'irq-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Updates for the interrupt subsystem:
Core:
- Allow trimming of interrupt hierarchy to support odd hardware
setups where only a subset of the interrupts requires the full
hierarchy.
- Allow the retrigger mechanism to follow a hierarchy to simplify
driver code.
- Provide a mechanism to force enable wakeup interrrupts on suspend.
- More infrastructure to handle IPIs in the core code
Architectures:
- Convert ARM/ARM64 IPI handling to utilize the interrupt core code.
Drivers:
- The usual pile of new interrupt chips (MStar, Actions Owl, TI
PRUSS, Designware ICTL)
- ARM(64) IPI related conversions
- Wakeup support for Qualcom PDC
- Prevent hierarchy corruption in the NVIDIA Tegra driver
- The usual small fixes, improvements and cleanups all over the
place"
* tag 'irq-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (59 commits)
dt-bindings: interrupt-controller: Add MStar interrupt controller
irqchip/irq-mst: Add MStar interrupt controller support
soc/tegra: pmc: Don't create fake interrupt hierarchy levels
soc/tegra: pmc: Allow optional irq parent callbacks
gpio: tegra186: Allow optional irq parent callbacks
genirq/irqdomain: Allow partial trimming of irq_data hierarchy
irqchip/qcom-pdc: Reset PDC interrupts during init
irqchip/qcom-pdc: Set IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND flag
pinctrl: qcom: Set IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND flag
genirq/PM: Introduce IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND flag
pinctrl: qcom: Use return value from irq_set_wake() call
pinctrl: qcom: Set IRQCHIP_SET_TYPE_MASKED and IRQCHIP_MASK_ON_SUSPEND flags
ARM: Handle no IPI being registered in show_ipi_list()
MAINTAINERS: Add entries for Actions Semi Owl SIRQ controller
irqchip: Add Actions Semi Owl SIRQ controller
dt-bindings: interrupt-controller: Add Actions SIRQ controller binding
dt-bindings: dw-apb-ictl: Update binding to describe use as primary interrupt controller
irqchip/dw-apb-ictl: Add primary interrupt controller support
irqchip/dw-apb-ictl: Refactor priot to introducing hierarchical irq domains
genirq: Add stub for set_handle_irq() when !GENERIC_IRQ_MULTI_HANDLER
...
Core:
- Early boot support for the NMI safe timekeeper by utilizing
local_clock() up to the point where timekeeping is initialized. This
allows printk() to store multiple timestamps in the ringbuffer which is
useful for coordinating dmesg information across a fleet of machines.
- Provide a multi-timestamp accessor for printk()
- Make timer init more robust by checking for invalid timer flags.
- Comma vs. semicolon fixes
Drivers:
- Support for new platforms in existing drivers (SP804 and Renesas CMT)
- Comma vs. semicolon fixes
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Merge tag 'timers-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timekeeping updates from Thomas Gleixner:
"Updates for timekeeping, timers and related drivers:
Core:
- Early boot support for the NMI safe timekeeper by utilizing
local_clock() up to the point where timekeeping is initialized.
This allows printk() to store multiple timestamps in the ringbuffer
which is useful for coordinating dmesg information across a fleet
of machines.
- Provide a multi-timestamp accessor for printk()
- Make timer init more robust by checking for invalid timer flags.
- Comma vs semicolon fixes
Drivers:
- Support for new platforms in existing drivers (SP804 and Renesas
CMT)
- Comma vs semicolon fixes
* tag 'timers-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/armada-370-xp: Use semicolons rather than commas to separate statements
clocksource/drivers/mps2-timer: Use semicolons rather than commas to separate statements
timers: Mask invalid flags in do_init_timer()
clocksource/drivers/sp804: Enable Hisilicon sp804 timer 64bit mode
clocksource/drivers/sp804: Add support for Hisilicon sp804 timer
clocksource/drivers/sp804: Support non-standard register offset
clocksource/drivers/sp804: Prepare for support non-standard register offset
clocksource/drivers/sp804: Remove a mismatched comment
clocksource/drivers/sp804: Delete the leading "__" of some functions
clocksource/drivers/sp804: Remove unused sp804_timer_disable() and timer-sp804.h
clocksource/drivers/sp804: Cleanup clk_get_sys()
dt-bindings: timer: renesas,cmt: Document r8a774e1 CMT support
dt-bindings: timer: renesas,cmt: Document r8a7742 CMT support
alarmtimer: Convert comma to semicolon
timekeeping: Provide multi-timestamp accessor to NMI safe timekeeper
timekeeping: Utilize local_clock() for NMI safe timekeeper during early boot
Document all ARMv5, ARMv6 and ARMv7 i.MX compatibles to fix dtbs_check
warnings like:
arch/arm/boot/dts/imx6dl-colibri-eval-v3.dt.yaml: pwm@2080000: compatible:0:
'fsl,imx6q-pwm' is not one of ['fsl,imx8mm-pwm', 'fsl,imx8mn-pwm', 'fsl,imx8mp-pwm', 'fsl,imx8mq-pwm']
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200925212609.23093-1-krzk@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
James Morse.
* Add support for controlling per-thread memory bandwidth throttling
delay values on hw which supports it, by Fenghua Yu.
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Merge tag 'x86_cache_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cache resource control updates from Borislav Petkov:
- Misc cleanups to the resctrl code in preparation for the ARM side
(James Morse)
- Add support for controlling per-thread memory bandwidth throttling
delay values on hw which supports it (Fenghua Yu)
* tag 'x86_cache_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/resctrl: Enable user to view thread or core throttling mode
x86/resctrl: Enumerate per-thread MBA controls
cacheinfo: Move resctrl's get_cache_id() to the cacheinfo header file
x86/resctrl: Add struct rdt_cache::arch_has_{sparse, empty}_bitmaps
x86/resctrl: Merge AMD/Intel parse_bw() calls
x86/resctrl: Add struct rdt_membw::arch_needs_linear to explain AMD/Intel MBA difference
x86/resctrl: Use is_closid_match() in more places
x86/resctrl: Include pid.h
x86/resctrl: Use container_of() in delayed_work handlers
x86/resctrl: Fix stale comment
x86/resctrl: Remove struct rdt_membw::max_delay
x86/resctrl: Remove unused struct mbm_state::chunks_bw
* Move clearcpuid= parameter handling earlier in the boot, away from the
FPU init code and to a generic location, by Mike Hommey.
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Merge tag 'x86_fpu_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fpu updates from Borislav Petkov:
- Allow clearcpuid= to accept multiple bits (Arvind Sankar)
- Move clearcpuid= parameter handling earlier in the boot, away from
the FPU init code and to a generic location (Mike Hommey)
* tag 'x86_fpu_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Handle FPU-related and clearcpuid command line arguments earlier
x86/fpu: Allow multiple bits in clearcpuid= parameter
don't spam the console log, by Chris Down.
* Document how the /proc/cpuinfo machinery works for future reference,
by Kyung Min Park, Ricardo Neri and Dave Hansen.
* Correct the current NMI's duration calculation, by Libing Zhou.
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Merge tag 'x86_misc_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes fromm Borislav Petkov:
- Ratelimit the message about writes to unrecognized MSRs so that they
don't spam the console log (Chris Down)
- Document how the /proc/cpuinfo machinery works for future reference
(Kyung Min Park, Ricardo Neri and Dave Hansen)
- Correct the current NMI's duration calculation (Libing Zhou)
* tag 'x86_misc_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/nmi: Fix nmi_handle() duration miscalculation
Documentation/x86: Add documentation for /proc/cpuinfo feature flags
x86/msr: Make source of unrecognised MSR writes unambiguous
x86/msr: Prevent userspace MSR access from dominating the console
devices which doesn't need pinning of pages for DMA anymore. Add support
for the command submission to devices using new x86 instructions like
ENQCMD{,S} and MOVDIR64B. In addition, add support for process address
space identifiers (PASIDs) which are referenced by those command
submission instructions along with the handling of the PASID state on
context switch as another extended state. Work by Fenghua Yu, Ashok Raj,
Yu-cheng Yu and Dave Jiang.
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Merge tag 'x86_pasid_for_5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 PASID updates from Borislav Petkov:
"Initial support for sharing virtual addresses between the CPU and
devices which doesn't need pinning of pages for DMA anymore.
Add support for the command submission to devices using new x86
instructions like ENQCMD{,S} and MOVDIR64B. In addition, add support
for process address space identifiers (PASIDs) which are referenced by
those command submission instructions along with the handling of the
PASID state on context switch as another extended state.
Work by Fenghua Yu, Ashok Raj, Yu-cheng Yu and Dave Jiang"
* tag 'x86_pasid_for_5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/asm: Add an enqcmds() wrapper for the ENQCMDS instruction
x86/asm: Carve out a generic movdir64b() helper for general usage
x86/mmu: Allocate/free a PASID
x86/cpufeatures: Mark ENQCMD as disabled when configured out
mm: Add a pasid member to struct mm_struct
x86/msr-index: Define an IA32_PASID MSR
x86/fpu/xstate: Add supervisor PASID state for ENQCMD
x86/cpufeatures: Enumerate ENQCMD and ENQCMDS instructions
Documentation/x86: Add documentation for SVA (Shared Virtual Addressing)
iommu/vt-d: Change flags type to unsigned int in binding mm
drm, iommu: Change type of pasid to u32
Shenhar.
* New AMD CPUs support, by Yazen Ghannam.
* The usual misc fixes and cleanups all over the subsystem.
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Merge tag 'edac_updates_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
- Add Amazon's Annapurna Labs memory controller EDAC driver (Talel
Shenhar)
- New AMD CPUs support (Yazen Ghannam)
- The usual misc fixes and cleanups all over the subsystem
* tag 'edac_updates_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/amd64: Set proper family type for Family 19h Models 20h-2Fh
EDAC/mc_sysfs: Add missing newlines when printing {max,dimm}_location
EDAC/aspeed: Use module_platform_driver() to simplify
EDAC, sb_edac: Simplify switch statement
EDAC/ti: Fix handling of platform_get_irq() error
EDAC/aspeed: Fix handling of platform_get_irq() error
EDAC/i5100: Fix error handling order in i5100_init_one()
EDAC/highbank: Handover Calxeda Highbank maintenance to Andre Przywara
EDAC/socfpga: Transfer SoCFPGA EDAC maintainership
EDAC/thunderx: Make symbol lmc_dfs_ents static
EDAC/al-mc-edac: Add Amazon's Annapurna Labs Memory Controller driver
dt-bindings: EDAC: Add Amazon's Annapurna Labs Memory Controller binding
EDAC/mce_amd: Add new error descriptions for existing types
EDAC: Replace HTTP links with HTTPS ones
- Userspace support for the Memory Tagging Extension introduced by Armv8.5.
Kernel support (via KASAN) is likely to follow in 5.11.
- Selftests for MTE, Pointer Authentication and FPSIMD/SVE context
switching.
- Fix and subsequent rewrite of our Spectre mitigations, including the
addition of support for PR_SPEC_DISABLE_NOEXEC.
- Support for the Armv8.3 Pointer Authentication enhancements.
- Support for ASID pinning, which is required when sharing page-tables with
the SMMU.
- MM updates, including treating flush_tlb_fix_spurious_fault() as a no-op.
- Perf/PMU driver updates, including addition of the ARM CMN PMU driver and
also support to handle CPU PMU IRQs as NMIs.
- Allow prefetchable PCI BARs to be exposed to userspace using normal
non-cacheable mappings.
- Implementation of ARCH_STACKWALK for unwinding.
- Improve reporting of unexpected kernel traps due to BPF JIT failure.
- Improve robustness of user-visible HWCAP strings and their corresponding
numerical constants.
- Removal of TEXT_OFFSET.
- Removal of some unused functions, parameters and prototypes.
- Removal of MPIDR-based topology detection in favour of firmware
description.
- Cleanups to handling of SVE and FPSIMD register state in preparation
for potential future optimisation of handling across syscalls.
- Cleanups to the SDEI driver in preparation for support in KVM.
- Miscellaneous cleanups and refactoring work.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"There's quite a lot of code here, but much of it is due to the
addition of a new PMU driver as well as some arm64-specific selftests
which is an area where we've traditionally been lagging a bit.
In terms of exciting features, this includes support for the Memory
Tagging Extension which narrowly missed 5.9, hopefully allowing
userspace to run with use-after-free detection in production on CPUs
that support it. Work is ongoing to integrate the feature with KASAN
for 5.11.
Another change that I'm excited about (assuming they get the hardware
right) is preparing the ASID allocator for sharing the CPU page-table
with the SMMU. Those changes will also come in via Joerg with the
IOMMU pull.
We do stray outside of our usual directories in a few places, mostly
due to core changes required by MTE. Although much of this has been
Acked, there were a couple of places where we unfortunately didn't get
any review feedback.
Other than that, we ran into a handful of minor conflicts in -next,
but nothing that should post any issues.
Summary:
- Userspace support for the Memory Tagging Extension introduced by
Armv8.5. Kernel support (via KASAN) is likely to follow in 5.11.
- Selftests for MTE, Pointer Authentication and FPSIMD/SVE context
switching.
- Fix and subsequent rewrite of our Spectre mitigations, including
the addition of support for PR_SPEC_DISABLE_NOEXEC.
- Support for the Armv8.3 Pointer Authentication enhancements.
- Support for ASID pinning, which is required when sharing
page-tables with the SMMU.
- MM updates, including treating flush_tlb_fix_spurious_fault() as a
no-op.
- Perf/PMU driver updates, including addition of the ARM CMN PMU
driver and also support to handle CPU PMU IRQs as NMIs.
- Allow prefetchable PCI BARs to be exposed to userspace using normal
non-cacheable mappings.
- Implementation of ARCH_STACKWALK for unwinding.
- Improve reporting of unexpected kernel traps due to BPF JIT
failure.
- Improve robustness of user-visible HWCAP strings and their
corresponding numerical constants.
- Removal of TEXT_OFFSET.
- Removal of some unused functions, parameters and prototypes.
- Removal of MPIDR-based topology detection in favour of firmware
description.
- Cleanups to handling of SVE and FPSIMD register state in
preparation for potential future optimisation of handling across
syscalls.
- Cleanups to the SDEI driver in preparation for support in KVM.
- Miscellaneous cleanups and refactoring work"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (148 commits)
Revert "arm64: initialize per-cpu offsets earlier"
arm64: random: Remove no longer needed prototypes
arm64: initialize per-cpu offsets earlier
kselftest/arm64: Check mte tagged user address in kernel
kselftest/arm64: Verify KSM page merge for MTE pages
kselftest/arm64: Verify all different mmap MTE options
kselftest/arm64: Check forked child mte memory accessibility
kselftest/arm64: Verify mte tag inclusion via prctl
kselftest/arm64: Add utilities and a test to validate mte memory
perf: arm-cmn: Fix conversion specifiers for node type
perf: arm-cmn: Fix unsigned comparison to less than zero
arm64: dbm: Invalidate local TLB when setting TCR_EL1.HD
arm64: mm: Make flush_tlb_fix_spurious_fault() a no-op
arm64: Add support for PR_SPEC_DISABLE_NOEXEC prctl() option
arm64: Pull in task_stack_page() to Spectre-v4 mitigation code
KVM: arm64: Allow patching EL2 vectors even with KASLR is not enabled
arm64: Get rid of arm64_ssbd_state
KVM: arm64: Convert ARCH_WORKAROUND_2 to arm64_get_spectre_v4_state()
KVM: arm64: Get rid of kvm_arm_have_ssbd()
KVM: arm64: Simplify handling of ARCH_WORKAROUND_2
...
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Merge tag 'tpmdd-next-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm updates from Jarkko Sakkinen:
"Support for a new TPM device and fixes and Git URL change (infraded ->
korg)"
* tag 'tpmdd-next-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
MAINTAINERS: TPM DEVICE DRIVER: Update GIT
tpm_tis: Add a check for invalid status
tpm: use %*ph to print small buffer
dt-bindings: Add SynQucer TPM MMIO as a trivial device
tpm: tis: add support for MMIO TPM on SynQuacer
Add a yamllint config file and support for running yamllint on DT
binding schema files. This runs on the whole tree as yamllint is Python
and suffers from Python's slow startup times.
Users can run on individual files doing:
yamllint -c Documentation/devicetree/bindings/.yamllint <binding file>
Link: https://lore.kernel.org/r/20201009170557.168785-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
- Support for Winbond w25q64jwm flash
- Enable 4K sector support for mx25l12805d
SPI NOR controller drivers changes:
- intel-spi:
- Add Alder Lake-S PCI ID
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Merge tag 'spi-nor/for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/next
SPI NOR core changes:
- Support for Winbond w25q64jwm flash
- Enable 4K sector support for mx25l12805d
SPI NOR controller drivers changes:
- intel-spi:
- Add Alder Lake-S PCI ID
- Fix a (hopefully final) IRQ state tracking bug vs. MCE handling
- Fix a documentation link
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2020-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Two fixes:
- Fix a (hopefully final) IRQ state tracking bug vs MCE handling
- Fix a documentation link"
* tag 'x86-urgent-2020-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation/x86: Fix incorrect references to zero-page.txt
x86/mce: Use idtentry_nmi_enter/exit()
Core changes:
- Allow irq retriggering to follow a hierarchy
- Allow interrupt hierarchies to be trimmed at allocation time
- Allow interrupts to be hidden from /proc/interrupts (IPIs)
- Introduce stub for set_handle_irq() when !GENERIC_IRQ_MULTI_HANDLER
- New per-cpu IPI handling flow
Architecture changes:
- Move arm/arm64 IPI handling to the core interrupt code, removing
the home brewed accounting
Driver updates:
- New driver for the MStar (and more recently Mediatek) platforms
- New driver for the Actions Owl SIRQ controller
- New driver for the TI PRUSS infrastructure
- Wake-up support for the Qualcomm PDC controller
- Primary interrupt controller support for the Designware APB ICTL
- Convert the IPI code for GIC, GICv3, hip04, armada-270-xp and bcm2836
to using standard interrupts
- Improve GICv3 pseudo-NMI support to deal with both non-secure and secure
priorities on arm64
- Convert the GIC/GICv3 drivers to using HW-based irq retrigger
- A sprinkling of dev_err_probe() conversion
- A set of NVIDIA Tegra fixes for interrupt hierarchy corruption
- A reset fix for the Loongson HTVEC driver
- A couple of error handling fixes in the TI SCI drivers
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Merge tag 'irqchip-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier:
Core changes:
- Allow irq retriggering to follow a hierarchy
- Allow interrupt hierarchies to be trimmed at allocation time
- Allow interrupts to be hidden from /proc/interrupts (IPIs)
- Introduce stub for set_handle_irq() when !GENERIC_IRQ_MULTI_HANDLER
- New per-cpu IPI handling flow
Architecture changes:
- Move arm/arm64 IPI handling to the core interrupt code, removing
the home brewed accounting
Driver updates:
- New driver for the MStar (and more recently Mediatek) platforms
- New driver for the Actions Owl SIRQ controller
- New driver for the TI PRUSS infrastructure
- Wake-up support for the Qualcomm PDC controller
- Primary interrupt controller support for the Designware APB ICTL
- Convert the IPI code for GIC, GICv3, hip04, armada-270-xp and bcm2836
to using standard interrupts
- Improve GICv3 pseudo-NMI support to deal with both non-secure and secure
priorities on arm64
- Convert the GIC/GICv3 drivers to using HW-based irq retrigger
- A sprinkling of dev_err_probe() conversion
- A set of NVIDIA Tegra fixes for interrupt hierarchy corruption
- A reset fix for the Loongson HTVEC driver
- A couple of error handling fixes in the TI SCI drivers
namespace.pl is intended to help locate symbols which are defined but
are not used externally. The goal is to avoid bloat of the namespace in
the resulting kernel image.
The script relies on object data, and only finds unused symbols for the
configuration used to generate that object data. This results in a lot
of false positive warnings such as symbols only used by a single
architecture, or symbols which are used externally only under certain
configurations.
Running namespace.pl using allyesconfig, allmodconfig, and
x86_64_defconfig yields the following results:
* allmodconfig
* 11122 unique symbol names with no external reference
* 1194 symbols listed as multiply defined
* 214 symbols it can't resolve
* allyesconfig
* 10997 unique symbol names with no external reference
* 1194 symbols listed as multiply defined
* 214 symbols it can't resolve
* x86_64_defconfig
* 5757 unique symbol names with no external reference
* 528 symbols listed as multiply defined
* 154 symbols it can't resolve
The script also has no way to easily limit the scope of the checks to
a given subset of the kernel, such as only checking for symbols defined
within a module or subsystem.
Discussion on public mailing lists seems to indicate that many view the
tool output as suspect or not very useful (see discussions at [1] and
[2] for further context).
As described by Masahiro Yamada at [2], namespace.pl provides 3 types of
checks: listing multiply defined symbols, resolving external symbols,
and warnings about symbols with no reference.
The first category of issues is easily caught by the linker as any set
of multiply defined symbols should fail to link. The second category of
issues is also caught by linking, as undefined symbols would cause
issues. Even with modules, these types of issues where a module relies
on an external symbol are caught by modpost.
The remaining category of issues reported is the list of symbols with no
external reference, and is the primary motivation of this script.
However, it ought to be clear from the above examples that the output is
difficult to sort through. Even allyesconfig has ~10000 entries.
The current submit-checklist indicates that patches ought to go through
namespacecheck and fix any new issues arising. But that itself presents
problems. As described at [1], many cases of reports are due to
configuration where a function is used externally by some configuration
settings. Prominent maintainers appear to dislike changes modify code
such that symbols become static based on CONFIG_* flags ([3], and [4])
One possible solution is to adjust the advice and indicate that we only
care about the output of namespacecheck on allyesconfig or allmodconfig
builds...
However, given the discussion at [2], I suspect that few people are
actively using this tool. It doesn't have a maintainer in the
MAINTAINERS flie, and it produces so many warnings for unused symbols
that it is difficult to use effectively. Thus, I propose we simply
remove it.
[1] https://lore.kernel.org/netdev/20200708164812.384ae8ea@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com/
[2] https://lore.kernel.org/lkml/20190129204319.15238-1-jacob.e.keller@intel.com/
[3] https://lore.kernel.org/netdev/20190828.154744.2058157956381129672.davem@davemloft.net/
[4] https://lore.kernel.org/netdev/20190827210928.576c5fef@cakuba.netronome.com/
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* fixes for the recent S1G work
* a docbook build time improvement
* API to pass beacon rate to lower-level driver
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Merge tag 'mac80211-next-for-net-next-2020-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
A handful of changes:
* fixes for the recent S1G work
* a docbook build time improvement
* API to pass beacon rate to lower-level driver
====================
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'linux-can-next-for-5.10-20201007' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
linux-can-next-for-5.10-20201007
The first 3 patches are by me and fix several warnings found
when compiling the kernel with W=1.
Lukas Bulwahn's patch adjusts the MAINTAINERS file, to accommodate
the renaming of the mcp251xfd driver.
Vincent Mailhol contributes 3 patches for the CAN networking layer.
First error queue support is added the the CAN RAW protocol.
The second patch converts the get_can_dlc() and get_canfd_dlc()
in-Kernel-only macros from using __u8 to u8.
The third patch adds a helper function to calculate the length of
one bit in in multiple of time quanta.
Oliver Hartkopp's patch add support for the ISO 15765-2:2016
transport protocol to the CAN stack.
Three patches by Lad Prabhakar add documentation for various
new rcar controllers to the device tree bindings of the rcar_can
and rcan_canfd driver.
Michael Walle's patch adds various processors to the flexcan
driver binding documentation.
The next two patches are by me and target the flexcan driver aswell.
The remove the ack_grp and ack_bit from the fsl,stop-mode DT property
and the driver, as they are not used anymore. As these are the last
two arguments this change will not break existing device trees.
The last three patches are by Srinivas Neeli and target
the xilinx_can driver.
The first one increases the lower limit for the bit rate
prescaler to 2, the other two fix sparse and coverity findings.
====================
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a brief blurb saying how and when the kunit_test_suite() macro
works to the usage documentation.
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
As discussed in [1], KUnit tests have hitherto not had a particularly
consistent naming scheme. This adds documentation outlining how tests
and test suites should be named, including how those names should be
used in Kconfig entries and filenames.
[1]:
https://lore.kernel.org/linux-kselftest/202006141005.BA19A9D3@keescook/t/#u
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Tim Bird <tim.bird@sony.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Add "fw.app.bundle_id" to display the DDP Track ID of the active DDP
package. This id is similar to "fw.bundle_id" and is a unique identifier
for the DDP package that is loaded in the device. Each new DDP has
a unique Track ID generated for it, and the ID can be used to identify
and track the DDP package.
Add documentation for the new devlink info version.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add devlink reload rst documentation file.
Update index file to include it.
Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The enable_remote_dev_reset devlink param flags that the host admin
allows device resets that can be initiated by other hosts. This
parameter is useful for setups where a device is shared by different
hosts, such as multi-host setup. Once the user set this parameter to
false, the driver should NACK any attempt to reset the device while the
driver is loaded.
Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
sysfs-pci and sysfs-tagging were mis-filed: their locations within
Documentation/ implied that they were related to file systems. Actually,
each topic is about a very specific *use* of sysfs, and sysfs *happens*
to be a (virtual) filesystem, so this is not really the right place.
It's jarring to be reading about filesystems in general and then come
across these specific details about PCI, and tagging...and then back to
general filesystems again.
Move sysfs-pci to PCI, and move sysfs-tagging to networking. (Thanks to
Jonathan Corbet for coming up with the final locations.)
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Link: https://lore.kernel.org/r/20201009070128.118639-1-jhubbard@nvidia.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Document r8a7742 specific compatible strings. No driver change is
needed as the fallback compatible string "renesas,tpu" activates the
right code in the driver.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Pull v5.10 RCU changes from Paul E. McKenney:
- Debugging for smp_call_function().
- Strict grace periods for KASAN. The point of this series is to find
RCU-usage bugs, so the corresponding new RCU_STRICT_GRACE_PERIOD
Kconfig option depends on both DEBUG_KERNEL and RCU_EXPERT, and is
further disabled by dfefault. Finally, the help text includes
a goodly list of scary caveats.
- New smp_call_function() torture test.
- Torture-test updates.
- Documentation updates.
- Miscellaneous fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
These controllers are based on the DW APB SSI IP-core and embedded into
the SoC, so two of them are equipped with IRQ, DMA, 64 words FIFOs and 4
native CS, while another one as being utilized by the Baikal-T1 System
Boot Controller has got a very limited resources: no IRQ, no DMA, only a
single native chip-select and just 8 bytes Tx/Rx FIFOs available. That's
why we have to mark the IRQ to be optional for the later interface.
The SPI controller embedded into the Baikal-T1 System Boot Controller can
be also used to directly access an external SPI flash by means of a
dedicated FSM. The corresponding MMIO region availability is switchable by
the embedded multiplexor, which phandle can be specified in the dts node.
* We added a new example to test out the non-standard Baikal-T1 System
Boot SPI Controller DT binding.
Co-developed-by: Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru>
Signed-off-by: Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru>
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201007235511.4935-21-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Mark Brown <broonie@kernel.org>
This adds the support for the Sparx5 SoC.
Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
These patches are to support audio over DP port on Qualcomm's SC7180 LPASS
Asoc. It includes machine driver, cpu driver, platform driver updates for
HDMI path support, device tree documention, lpass variant structure
optimization and configuration changes.
These patches depends on the DP patch series
https://patchwork.kernel.org/project/dri-devel/list/?series=332029https://lore.kernel.org/patchwork/project/lkml/list/?series=464856
changes since V10:
-- Moved hdmi regmap functions from lpass-hdmi.c to lpass-cpu.c
-- Moved QCOM_REGMAP_FIELD_ALLOC macro from lpass-hdmi.c to lpass.h
changes since V9:
-- Removed unused structures lpass_hdmi.h
changes since V8:
-- Removed redundant structure wrapper for reg map field memebrs
-- Updated lpass_hdmi_regmap_volatile API with appropriate registers as true
and others as false.
changes since V7:
-- Fixed typo errors
-- Created Separate patch for buffer size change
changes since V6:
-- Removed compile time define flag, which used for enabling
HDMI code, based on corresponding config param is included.
-- Updated reg map alloc API with reg map bulk API.
-- Removed unnecessary line splits
changes since V5:
-- Removed unused struct regmap *map in lpass_platform_alloc_hdmidmactl_fields.
-- DMA alloc and free API signature change in lpass-apq8016.c, lpass-ipq806x.c
-- Keeping API "irqreturn_t lpass_platform_hdmiif_irq" under ifdef macro
Changes Since v4:
-- Updated with single compatible node for both I2S and HDMI.
Changes Since v3:
-- Removed id in lpass variant structure and used snd_soc_dai_driver id.
Changes Since v2:
-- Audio buffer size(i.e. LPASS_PLATFORM_BUFFER_SIZE) in lpass-platform.c increased.
Changes Since v1:
-- Commit messages are updated
-- Addressed Rob Herring review comments
V Sujith Kumar Reddy (7):
ASoC: Add sc7180-lpass binding header hdmi define
ASoC: dt-bindings: Add dt binding for lpass hdmi
Asoc:qcom:lpass-cpu:Update dts property read API
Asoc: qcom: lpass:Update lpaif_dmactl members order
ASoC: qcom: Add support for lpass hdmi driver
Asoc: qcom: lpass-platform : Increase buffer size
ASoC: qcom: sc7180: Add support for audio over DP
.../devicetree/bindings/sound/qcom,lpass-cpu.yaml | 74 ++--
include/dt-bindings/sound/sc7180-lpass.h | 1 +
sound/soc/qcom/Kconfig | 5 +
sound/soc/qcom/Makefile | 2 +
sound/soc/qcom/lpass-apq8016.c | 4 +-
sound/soc/qcom/lpass-cpu.c | 249 ++++++++++++-
sound/soc/qcom/lpass-hdmi.c | 258 ++++++++++++++
sound/soc/qcom/lpass-hdmi.h | 102 ++++++
sound/soc/qcom/lpass-ipq806x.c | 4 +-
sound/soc/qcom/lpass-lpaif-reg.h | 49 ++-
sound/soc/qcom/lpass-platform.c | 395 +++++++++++++++++----
sound/soc/qcom/lpass-sc7180.c | 116 +++++-
sound/soc/qcom/lpass.h | 124 ++++++-
13 files changed, 1240 insertions(+), 143 deletions(-)
create mode 100644 sound/soc/qcom/lpass-hdmi.c
create mode 100644 sound/soc/qcom/lpass-hdmi.h
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
Adds bindings for lpass hdmi interface
which can support audio path over dp.
Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivasa Rao <srivasam@codeaurora.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1602134223-2562-3-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Document the PowerPC specific 'sleep' property as a schema. It is
currently only documented in booting-without-of.rst which is getting
removed.
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201008142420.2083861-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
All user of the pnp_find_card() compat wrapper are gone, so remove
the function as well.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
the files under /80211 calls kernel-doc script 207 times, one for each
single function and doc chapter. Due to that, it takes a lot of time
handling it:
$ touch Documentation/driver-api/80211/*rst && time make SPHINXDIRS=driver-api/80211 htmldocs
...
real 0m22,928s
user 0m21,644s
sys 0m1,334s
Reduce the build time by doing only one kernel-doc call
per functions that belong to the same group. With that, there's now
50 calls to kernel-doc, which makes the build time for those docs
62% faster:
$ touch Documentation/driver-api/80211/*rst && time make SPHINXDIRS=driver-api/80211 htmldocs
...
real 0m8,666s
user 0m8,084s
sys 0m0,642s
As a side effect, it should now be easier to add newer
functions, as there's no need to repeat the kernel-doc
pattern.
Measurements made on a NUC8i7HNK machine with lots of ram
and a fast SSD disk with Sphinx 3.2.1.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/f0085721d85ebc3a77164b457ed948eee48b55df.1601890703.git.mchehab+huawei@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
sysfs attribute names are mixed with the same normal text terms.
Use ReST to distinguish.
Fix typos and mistakes.
Reported-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Ivan Zaentsev <ivan.zaentsev@wirenboard.ru>
Link: https://lore.kernel.org/r/20201008054259.5461-1-ivan.zaentsev@wirenboard.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Venus needs to vote for the performance state of a power domain (cx)
to be able to support DVFS. This 'cx' power domain is controlled by
rpmh and is a common power domain (scalable) not specific to
venus alone. This is optional in the sense that, leaving this power
domain out does not really impact the functionality but just makes
the platform a little less power efficient.
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Since commit:
048e3a34a2 can: flexcan: poll MCR_LPM_ACK instead of GPR ACK for stop mode acknowledgment
the driver polls the IP core's internal bit MCR[LPM_ACK] as stop mode
acknowledge and not the acknowledgment on chip level.
This means the 4th and 5th value of the property "fsl,stop-mode" isn't used
anymore. It will be removed from the driver in the next patch, so remove it
from the binding documentation.
Link: http://lore.kernel.org/r/20201006203748.1750156-14-mkl@pengutronix.de
Fixes: 048e3a34a2 ("can: flexcan: poll MCR_LPM_ACK instead of GPR ACK for stop mode acknowledgment")
Cc: devicetree <devicetree@vger.kernel.org>
Cc: Joakim Zhang <qiangqing.zhang@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
The compatible is a pattern match. Explicitly list all possible values.
Also mention that the ls1028ar1 must be followed by lx2160ar1.
Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20201001091131.30514-2-michael@walle.cc
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Document RZ/G1H (r8a7742) SoC specific bindings. The R8A7742 CAN module
is identical to R-Car Gen2 family.
No driver change is needed due to the fallback compatible value
"renesas,rcar-gen2-can".
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Link: https://lore.kernel.org/r/20200816190732.6905-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
In order to add meta-schema checks for additional/unevaluatedProperties
being present, all schema need to make this explicit. As common/shared
schema are included by other schemas, they should always allow for
additionalProperties.
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201005183830.486085-5-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
In cases where we don't reference another schema, 'additionalProperties'
can be used instead. This is preferred for now as 'unevaluatedProperties'
support isn't implemented yet.
In a few cases, this means adding some missing property definitions of
which most are for SPI bus properties. 'unevaluatedProperties' is not going
to work for the SPI bus properties anyways as they are evaluated from the
parent node, not the SPI child node.
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201005183830.486085-3-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
This doesn't yet do anything in the tools, but make it explicit so we can
check either 'unevaluatedProperties' or 'additionalProperties' is present
in schemas.
'unevaluatedProperties' is appropriate when including another schema (via
'$ref') and all possible properties and/or child nodes are not
explicitly listed in the schema with the '$ref'.
This is in preparation to add a meta-schema to check for missing
'unevaluatedProperties' or 'additionalProperties'. This has been a
constant source of review issues.
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Wolfram Sang <wsa@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/20201005183830.486085-2-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Revised patch fixing six spelling errors within
Documentation/devicetree/bindings/. "specfied" replaced with "specified"
in all three files modified. "atleast" seperated into "at least" three
times in samsung-pinctrl.txt. This should remove any confusion that a
reader might have.
Signed-off-by: Marlon Rac Cambasis <marlonrc08@gmail.com>
Link: https://lore.kernel.org/r/20201007071705.GA11381@marlonpc-debian
Signed-off-by: Rob Herring <robh@kernel.org>
Update the installation commands and path details, detail the new
options available in the run_kselftests.sh script.
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Patch here adds a cpumask attr to hv_gpci pmu along with ABI documentation.
Primary use to expose the cpumask is for the perf tool which has the
capability to parse the driver sysfs folder and understand the
cpumask file. Having cpumask file will reduce the number of perf command
line parameters (will avoid "-C" option in the perf tool
command line). It can also notify the user which is
the current cpu used to retrieve the counter data.
command:# cat /sys/devices/hv_gpci/cpumask
0
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201003074943.338618-5-kjain@linux.ibm.com
Recently introduced Allwinner A100 pinctrl block has 7 interrupts.
This trig a warning when running dtb_checks:
sun50i-a100-allwinner-perf1.dt.yaml: pinctrl@300b000: interrupts: [...] is too long
From schema: .../allwinner,sun4i-a10-pinctrl.yaml
Fix this by allowing up to 7 interrupts.
Signed-off-by: Clément Péron <peron.clem@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201005190939.21016-1-peron.clem@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
PVT controller (MR75203) is used to configure & control
Moortec embedded analog IP which contains temprature sensor(TS),
voltage monitor(VM) & process detector(PD) modules.
Add DT bindings schema for PVT controller.
Signed-off-by: Rahul Tanwar <rahul.tanwar@linux.intel.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/b540b49ca47d75c5f716f8a4e4eed0664a1116bf.1601889876.git.rahul.tanwar@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Some boards might have a regulator that control the +VS supply, add it
to the bindings.
Signed-off-by: Alban Bedel <alban.bedel@aerq.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201001145738.17326-3-alban.bedel@aerq.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
In order to automate the verification of DT nodes convert lm75.txt to
lm75.yaml.
Signed-off-by: Alban Bedel <alban.bedel@aerq.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201001145738.17326-2-alban.bedel@aerq.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Convert the Hisilicon Hi6220 domain controllers binding to DT schema
format using json-schema. All of them are grouped into one yaml file, to
help users understand differences and avoid repeated descriptions.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20200930031712.2365-16-thunder.leizhen@huawei.com
Signed-off-by: Rob Herring <robh@kernel.org>
There are two vendor prefixes for Gateworks: "gw" and "gateworks".
Favor the longer one (more descriptive) and mark "gw" as deprecated so
it will not be used in new bindings.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201003103335.23404-1-krzk@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Update the AM65x HwSpinlock example to fix couple of warnings
that started showing up after the conversion of K3 bindings to
YAML format in commit 66e06509aa ("dt-bindings: arm: ti:
Convert K3 board/soc bindings to DT schema").
compatible: ['ti,am654'] is not valid under any of the given schemas (Possible causes of the failure):
compatible: ['ti,am654'] is too short
compatible:0: 'ti,am654' is not one of ['ti,am654-evm']
Also, fix one of the node names while at this.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Suman Anna <s-anna@ti.com>
Link: https://lore.kernel.org/r/20200928225155.12432-1-s-anna@ti.com
Signed-off-by: Rob Herring <robh@kernel.org>
The i.MX 53 and i.MX6Q DTS use two compatibles, i.MX 6SL/6SLL/SX three
so update the binding to fix dtbs_check warnings like:
serial@21ec000: compatible: ['fsl,imx6q-uart', 'fsl,imx21-uart'] is not valid under any of the given schemas
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200925212649.23183-1-krzk@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Add quite common property - power-domains - to fix dtbs_check warnings
like:
arch/arm64/boot/dts/freescale/imx8qxp-mek.dt.yaml:
mailbox@5d280000: 'power-domains' does not match any of the regexes: 'pinctrl-[0-9]+'
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201002161837.5784-1-krzk@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Pull ARM cpufreq updates for 5.10-rc1 from Viresh Kumar:
"- STI cpufreq driver updates to allow new hardware (Alain Volmat).
- Minor tegra driver fixes around initial frequency mismatch warnings (Jon
Hunter).
- dev_err simplification for s5pv210 driver (Krzysztof Kozlowski).
- Qcom driver updates to allow new hardware and minor cleanup (Manivannan
Sadhasivam and Matthias Kaehlcke).
- Add missing MODULE_DEVICE_TABLE for armada driver (Pali Rohár).
- Improved defer-probe handling in cpufreq-dt driver (Stephan Gerhold).
- Call dev_pm_opp_of_remove_table() unconditionally for imx driver (Viresh
Kumar)."
* 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
cpufreq: qcom: Don't add frequencies without an OPP
cpufreq: qcom-hw: Add cpufreq support for SM8250 SoC
cpufreq: qcom-hw: Use of_device_get_match_data for offsets and row size
cpufreq: qcom-hw: Use devm_platform_ioremap_resource() to simplify code
dt-bindings: cpufreq: cpufreq-qcom-hw: Document Qcom EPSS compatible
cpufreq: qcom-hw: Make use of cpufreq driver_data for passing pdev
cpufreq: armada-37xx: Add missing MODULE_DEVICE_TABLE
cpufreq: arm: Kconfig: add CPUFREQ_DT depend for STI CPUFREQ
cpufreq: dt-platdev: Blacklist st,stih418 SoC
cpufreq: sti-cpufreq: add stih418 support
cpufreq: s5pv210: Use dev_err instead of pr_err in probe
cpufreq: s5pv210: Simplify with dev_err_probe()
cpufreq: tegra186: Fix initial frequency
cpufreq: dt: Refactor initialization to handle probe deferral properly
opp: Handle multiple calls for same OPP table in _of_add_opp_table_v1()
cpufreq: imx6q: Unconditionally call dev_pm_opp_of_remove_table()
opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE_DEFER
Merge dma-contiguous.h into dma-map-ops.h, after removing the comment
describing the contiguous allocator into kernel/dma/contigous.c.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Rejecting non-native endian BTF overlapped with the addition
of support for it.
The rest were more simple overlapping changes, except the
renesas ravb binding update, which had to follow a file
move as well as a YAML conversion.
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, sythetic events only support static string fields such as:
# echo 'test_latency u64 lat; char somename[32]' > /sys/kernel/debug/tracing/synthetic_events
Which is fine, but wastes a lot of space in the event.
It also prevents the most commonly-defined strings in the existing
trace events e.g. those defined using __string(), from being passed to
synthetic events via the trace() action.
With this change, synthetic events with dynamic fields can be defined:
# echo 'test_latency u64 lat; char somename[]' > /sys/kernel/debug/tracing/synthetic_events
And the trace() action can be used to generate events using either
dynamic or static strings:
# echo 'hist:keys=name:lat=common_timestamp.usecs-$ts0:onmatch(sys.event).test_latency($lat,name)' > /sys/kernel/debug/tracing/events
The synthetic event dynamic strings are implemented in the same way as
the existing __data_loc strings and appear as such in the format file.
[ <rostedt@goodmis.org>: added __set_synth_event_print_fmt() changes:
I added the following to make it work with trace-cmd. Dynamic strings
must have __get_str() for events in the print_fmt otherwise it can't be
parsed correctly. ]
Link: https://lore.kernel.org/r/cover.1601588066.git.zanussi@kernel.org
Link: https://lkml.kernel.org/r/3ed35b6d0e390f5b94cb4a9ba1cc18f5982ab277.1601848695.git.zanussi@kernel.org
Tested-by: Axel Rasmussen <axelrasmussen@google.com>
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Mention that new CMDs will be NACKed while the old one is still
on-going, that the I2C address parameter of READ_BYTES is 7 bit only,
and reword one paragraph to be more precise.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Pull networking fixes from David Miller:
1) Make sure SKB control block is in the proper state during IPSEC
ESP-in-TCP encapsulation. From Sabrina Dubroca.
2) Various kinds of attributes were not being cloned properly when we
build new xfrm_state objects from existing ones. Fix from Antony
Antony.
3) Make sure to keep BTF sections, from Tony Ambardar.
4) TX DMA channels need proper locking in lantiq driver, from Hauke
Mehrtens.
5) Honour route MTU during forwarding, always. From Maciej
Żenczykowski.
6) Fix races in kTLS which can result in crashes, from Rohit
Maheshwari.
7) Skip TCP DSACKs with rediculous sequence ranges, from Priyaranjan
Jha.
8) Use correct address family in xfrm state lookups, from Herbert Xu.
9) A bridge FDB flush should not clear out user managed fdb entries
with the ext_learn flag set, from Nikolay Aleksandrov.
10) Fix nested locking of netdev address lists, from Taehee Yoo.
11) Fix handling of 32-bit DATA_FIN values in mptcp, from Mat Martineau.
12) Fix r8169 data corruptions on RTL8402 chips, from Heiner Kallweit.
13) Don't free command entries in mlx5 while comp handler could still be
running, from Eran Ben Elisha.
14) Error flow of request_irq() in mlx5 is busted, due to an off by one
we try to free and IRQ never allocated. From Maor Gottlieb.
15) Fix leak when dumping netlink policies, from Johannes Berg.
16) Sendpage cannot be performed when a page is a slab page, or the page
count is < 1. Some subsystems such as nvme were doing so. Create a
"sendpage_ok()" helper and use it as needed, from Coly Li.
17) Don't leak request socket when using syncookes with mptcp, from
Paolo Abeni.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (111 commits)
net/core: check length before updating Ethertype in skb_mpls_{push,pop}
net: mvneta: fix double free of txq->buf
net_sched: check error pointer in tcf_dump_walker()
net: team: fix memory leak in __team_options_register
net: typhoon: Fix a typo Typoon --> Typhoon
net: hinic: fix DEVLINK build errors
net: stmmac: Modify configuration method of EEE timers
tcp: fix syn cookied MPTCP request socket leak
libceph: use sendpage_ok() in ceph_tcp_sendpage()
scsi: libiscsi: use sendpage_ok() in iscsi_tcp_segment_map()
drbd: code cleanup by using sendpage_ok() to check page for kernel_sendpage()
tcp: use sendpage_ok() to detect misused .sendpage
nvme-tcp: check page by sendpage_ok() before calling kernel_sendpage()
net: add WARN_ONCE in kernel_sendpage() for improper zero-copy send
net: introduce helper sendpage_ok() in include/linux/net.h
net: usb: pegasus: Proper error handing when setting pegasus' MAC address
net: core: document two new elements of struct net_device
netlink: fix policy dump leak
net/mlx5e: Fix race condition on nhe->n pointer in neigh update
net/mlx5e: Fix VLAN create flow
...
Building the kernel with Clang doesn't rely on third party patches, and
has not for a few years now.
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Link: https://lore.kernel.org/r/20200929211936.580805-1-ndesaulniers@google.com
[jc: Took out duplicated "docs" pointed out by Randy]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Pattern properties go under 'patternProperties', not 'properties'.
Otherwise, the pattern is treated as a literal string.
A corresponding meta-schema check has been added to catch bad DT property
names like this.
Fixes: e0f946915b ("dt-bindings: mfd: ti,j721e-system-controller.yaml: Add J721e system controller")
Cc: Roger Quadros <rogerq@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201002230606.3522954-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Some DSI controllers are missing a reference to the recently added
dsi-controller.yaml schema. Add it and we can drop the duplicate parts.
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Eric Anholt <eric@anholt.net>
Cc: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Robert Chiras <robert.chiras@nxp.com>
Cc: Philippe Cornu <philippe.cornu@st.com>
Cc: Yannick Fertre <yannick.fertre@st.com>
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20201002225924.3513700-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Board/SoC top-level compatible bindings should be constrained to the root
node. Add the missing constraints that the node name must be "/".
Cc: Baruch Siach <baruch@tkos.co.il>
Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: Krzysztof Halasa <khalasa@piap.pl>
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Anders Berg <anders.berg@lsi.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Alexandre TORGUE <alexandre.torgue@st.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20201001200943.1193870-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Pull opertaing performance points (OPP) framework fixes for 5.10-rc1
from Viresh Kumar:
"- Return -EPROBE_DEFER properly from dev_pm_opp_get_opp_table()
(Stephan Gerhold).
- Minor cleanups around required-opps (Stephan Gerhold).
- Extends opp-supported-hw property to contain multiple versions
(Viresh Kumar).
- Multiple cleanups around dev_pm_opp_attach_genpd() (Viresh Kumar).
- Multiple fixes, cleanups in the OPP core for overall better design
(Viresh Kumar)."
* 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
opp: Allow opp-level to be set to 0
opp: Prevent memory leak in dev_pm_opp_attach_genpd()
ARM: tegra: Pass multiple versions in opp-supported-hw property
opp: Allow opp-supported-hw to contain multiple versions
dt-bindings: opp: Allow opp-supported-hw to contain multiple versions
opp: Set required OPPs in reverse order when scaling down
opp: Reduce code duplication in _set_required_opps()
opp: Drop unnecessary check from dev_pm_opp_attach_genpd()
opp: Handle multiple calls for same OPP table in _of_add_opp_table_v1()
opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE_DEFER
opp: Remove _dev_pm_opp_find_and_remove_table() wrapper
opp: Split out _opp_set_rate_zero()
opp: Reuse the enabled flag in !target_freq path
opp: Rename regulator_enabled and use it as status of all resources
* pm-cpuidle:
cpuidle: record state entry rejection statistics
cpuidle: psci: Allow PM domain to be initialized even if no OSI mode
firmware: psci: Extend psci_set_osi_mode() to allow reset to PC mode
ACPI: processor: Print more information when acpi_processor_evaluate_cst() fails
cpuidle: tegra: Correctly handle result of arm_cpuidle_simple_enter()
1. Update extcon driver with minor updates:
- Covert the devicetree binding format from txt to yaml and edit
the bidning document for extcon-ptn5150.c.
- Clean-up the code of extcon-ptn5150.c without any behavior changes.
- Replace HTTP links with HTTPS ones on extcon-palmas.c and extcon-usb-gpio.c.
- Return the proper error code on extcon-max14577/max77693/max77843.c.
- Simplify with dev_err_probe() on extcon-palmas.c.
- Use module_platform_driver to simplify the code on extcon-axp288.c.
2. Update MAINTAINERS
- Add Krzysztof Kozlowski as maintainer of NXP PTN5150A CC/extcon driver
to provide review, feedback and testing.
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Merge tag 'extcon-next-for-5.10-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next
Chanwoo writes:
Detailed description for this pull request:
1. Update extcon driver with minor updates:
- Covert the devicetree binding format from txt to yaml and edit
the bidning document for extcon-ptn5150.c.
- Clean-up the code of extcon-ptn5150.c without any behavior changes.
- Replace HTTP links with HTTPS ones on extcon-palmas.c and extcon-usb-gpio.c.
- Return the proper error code on extcon-max14577/max77693/max77843.c.
- Simplify with dev_err_probe() on extcon-palmas.c.
- Use module_platform_driver to simplify the code on extcon-axp288.c.
2. Update MAINTAINERS
- Add Krzysztof Kozlowski as maintainer of NXP PTN5150A CC/extcon driver
to provide review, feedback and testing.
* tag 'extcon-next-for-5.10-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon: (25 commits)
extcon: axp288: Use module_platform_driver to simplify the code
extcon: ptn5150: Do not print error during probe if nothing is attached
extcon: ptn5150: Use defines for registers
extcon: palmas: Simplify with dev_err_probe()
extcon: max8997: Return error code of extcon_dev_allocate()
extcon: max77843: Return error code of extcon_dev_allocate()
extcon: max77693: Return error code of extcon_dev_allocate()
extcon: max14577: Return error code of extcon_dev_allocate()
extcon: ptn5150: Set the VBUS and POLARITY property capability
extcon: ptn5150: Switch to GENMASK() and BIT() macros
extcon: ptn5150: Deduplicate parts of dev_err_probe()
extcon: Replace HTTP links with HTTPS ones
MAINTAINERS: Add entry for NXP PTN5150A CC driver
extcon: ptn5150: Convert to .probe_new
extcon: ptn5150: Convert to module_i2c_driver
extcon: ptn5150: Reduce the amount of logs on deferred probe
extcon: ptn5150: Make 'vbus-gpios' optional
extcon: ptn5150: Check current USB mode when probing
extcon: ptn5150: Lower the noisiness of probe
extcon: ptn5150: Simplify getting vbus-gpios with flags
...
The default sizes in examples for 'reg' are 1 cell each. Fix the
incorrect sizes in zynqmp examples:
Documentation/devicetree/bindings/dma/xilinx/xlnx,zynqmp-dpdma.example.dt.yaml: example-0: dma-controller@fd4c0000:reg:0: [0, 4249616384, 0, 4096] is too long
From schema: /usr/local/lib/python3.8/dist-packages/dtschema/schemas/reg.yaml
Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.example.dt.yaml: example-0: display@fd4a0000:reg:0: [0, 4249485312, 0, 4096] is too long
From schema: /usr/local/lib/python3.8/dist-packages/dtschema/schemas/reg.yaml
Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.example.dt.yaml: example-0: display@fd4a0000:reg:1: [0, 4249526272, 0, 4096] is too long
From schema: /usr/local/lib/python3.8/dist-packages/dtschema/schemas/reg.yaml
Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.example.dt.yaml: example-0: display@fd4a0000:reg:2: [0, 4249530368, 0, 4096] is too long
From schema: /usr/local/lib/python3.8/dist-packages/dtschema/schemas/reg.yaml
Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.example.dt.yaml: example-0: display@fd4a0000:reg:3: [0, 4249534464, 0, 4096] is too long
From schema: /usr/local/lib/python3.8/dist-packages/dtschema/schemas/reg.yaml
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Cc: Hyun Kwon <hyun.kwon@xilinx.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Vinod Koul <vkoul@kernel.org>
Cc: dri-devel@lists.freedesktop.org
Cc: dmaengine@vger.kernel.org
Link: https://lore.kernel.org/r/20200928155953.2819930-1-robh@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This patch adds dts bindings for the zinitix bt541 touchscreen.
Signed-off-by: Michael Srba <Michael.Srba@seznam.cz>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201001122949.16846-2-michael.srba@seznam.cz
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
I was too quick moving zoran.rst... it ends that the original
patch didn't do the right thing and forgot to update the files
that references it.
Fix it.
Fixes: 6b90346919 ("media: zoran: move documentation file to the right place")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This patch adds hwmon functionality for Intel MAX 10 BMC chip. This BMC
chip connects to a set of sensor chips to monitor current, voltage,
thermal and power of different components on board. The BMC firmware is
responsible for sensor data sampling and recording in shared registers.
Host driver reads the sensor data from these shared registers and
exposes them to users as hwmon interfaces.
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Wu Hao <hao.wu@intel.com>
Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/1600669071-26235-3-git-send-email-yilun.xu@intel.com
[groeck: Adjusted subject]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for mp295 device from Monolithic Power Systems, Inc. (MPS)
vendor. This is a dual-loop, digital, multi-phase controller.
This device:
- Supports two power rail.
- Provides 8 pulse-width modulations (PWMs), and can be configured up
to 8-phase operation for rail 1 and up to 4-phase operation for rail
2.
- Supports two pages 0 and 1 for telemetry and also pages 2 and 3 for
configuration.
- Can configured VOUT readout in direct or VID format and allows
setting of different formats on rails 1 and 2. For VID the following
protocols are available: VR13 mode with 5-mV DAC; VR13 mode with
10-mV DAC, IMVP9 mode with 5-mV DAC.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20200926204957.10268-2-vadimp@nvidia.com
[groeck: Cleaned up a couple of error returns; fixed up API changes]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Update the documentation with the newly added features
* Set the accumulation interval based on resolution
Signed-off-by: Naveen Krishna Chatradhi <nchatrad@amd.com>
Link: https://lore.kernel.org/r/20200929105322.8919-5-nchatrad@amd.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
There is no such property as duplex-full. It's called full-duplex. Leading to
reduced speed when using the example as base for a real device tree.
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The unit address should be 1e, because the unit address is supposed
to be in hexadecimal.
Suggested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add yaml for the bq25980 flash charger.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
- Add dt-bindings for Toshiba Visconti ARM SoCs
- Add dt-bindings for the TMPV7708 RM main board
- Add initial support for Toshiba Visconti platform
- Add device tree for TMPV7708 RM main board
- Add information for Toshiba Visconti ARM SoCs to MAINTAINERS
- Enable configs for Toshiba Visconti to arm64's defconfig
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Merge tag 'visconti-initial-for-5.10-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/iwamatsu/linux-visconti into arm/dt
Visconti5 SoC changes for v5.10 (take two)
- Add dt-bindings for Toshiba Visconti ARM SoCs
- Add dt-bindings for the TMPV7708 RM main board
- Add initial support for Toshiba Visconti platform
- Add device tree for TMPV7708 RM main board
- Add information for Toshiba Visconti ARM SoCs to MAINTAINERS
- Enable configs for Toshiba Visconti to arm64's defconfig
* tag 'visconti-initial-for-5.10-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/iwamatsu/linux-visconti:
arm64: defconfig: Enable configs for Toshiba Visconti
MAINTAINERS: Add information for Toshiba Visconti ARM SoCs
arm64: dts: visconti: Add device tree for TMPV7708 RM main board
arm64: visconti: Add initial support for Toshiba Visconti platform
dt-bindings: arm: toshiba: Add the TMPV7708 RM main board
dt-bindings: arm: toshiba: add Toshiba Visconti ARM SoCs
Link: https://lore.kernel.org/r/20200923085236.4hu53gmnnmqkttuy@toshiba.co.jp
Signed-off-by: Olof Johansson <olof@lixom.net>
1. Add support for MT8167 to Mediatek SMI.
2. Compile test fix (omap-gpmc) and duplicate code (tegra).
3. Simplify code with DEFINE_SHOW_ATTRIBUTE.
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Merge tag 'memory-controller-drv-5.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers
Memory controller drivers for v5.10, part two
1. Add support for MT8167 to Mediatek SMI.
2. Compile test fix (omap-gpmc) and duplicate code (tegra).
3. Simplify code with DEFINE_SHOW_ATTRIBUTE.
* tag 'memory-controller-drv-5.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
memory: emif: Convert to DEFINE_SHOW_ATTRIBUTE
memory: tegra: Convert to DEFINE_SHOW_ATTRIBUTE
memory: omap-gpmc: Fix compile test on SPARC
memory: mtk-smi: add support for MT8167
dt-bindings: memory: mediatek: Add binding for MT8167 SMI
memory: tegra: Delete duplicated argument to '|' in function tegra210_emc_r21021_periodic_compensation
Link: https://lore.kernel.org/r/20200925152523.14608-1-krzk@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
This tag allows to build reset-imx7 as a module, and adds support to
reset the Cortex-M4 processor on i.MX8MQ to it, adds support for the
Versal platform to the reset-zynqmp driver, and fixes some kerneldoc
comments in the core and in sti/reset-syscfg.
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Merge tag 'reset-for-v5.10' of git://git.pengutronix.de/pza/linux into arm/drivers
Reset controller updates for v5.10
This tag allows to build reset-imx7 as a module, and adds support to
reset the Cortex-M4 processor on i.MX8MQ to it, adds support for the
Versal platform to the reset-zynqmp driver, and fixes some kerneldoc
comments in the core and in sti/reset-syscfg.
* tag 'reset-for-v5.10' of git://git.pengutronix.de/pza/linux:
reset: sti: reset-syscfg: fix struct description warnings
reset: imx7: add the cm4 reset for i.MX8MQ
dt-bindings: reset: imx8mq: add m4 reset
reset: Fix and extend kerneldoc
reset: reset-zynqmp: Added support for Versal platform
dt-bindings: reset: Updated binding for Versal reset driver
reset: imx7: Support module build
Link: https://lore.kernel.org/r/2b77c90d2b970eb8fa09000b9ecb564bffa76374.camel@pengutronix.de
Signed-off-by: Olof Johansson <olof@lixom.net>
and the pinecube board
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Merge tag 'sunxi-dt-for-5.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/dt
A few more DT patches for 5.10, to support simple-framebuffer on the v3s
and the pinecube board
* tag 'sunxi-dt-for-5.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
ARM: dts: sun8i: v3s: Add simple-framebuffer
ARM: dts: sun8i: s3l: add support for Pine64 PineCube IP camera
dt-bindings: arm: sunxi: add Pine64 PineCube binding
ARM: dts: sun8i: V3/V3s/S3/S3L: add pinctrl for I2C1 at PE bank
ARM: dts: sun8i: V3/V3s/S3/S3L: add pinctrl for 8-bit parallel CSI
ARM: dts: sun8i: V3/V3s/S3/S3L: add CSI1 device node
ARM: dts: sun8i: V3/V3s/S3/S3L: add pinctrl for UART2 RX/TX
ARM: dts: sun8i: V3/V3s/S3/S3L: add Ethernet support
Link: https://lore.kernel.org/r/e7c12b59-8603-438d-908b-5f0bde2c8697.lettre@localhost
Signed-off-by: Olof Johansson <olof@lixom.net>
- Add vendor prefix for Roseapple Pi: http://roseapplepi.org/
- Document RoseapplePi SBC manufactured by Roseapple Pi team in Taiwan.
This board is based on Actions Semi S500 SoC. More information about
this board can be found in their website:
http://roseapplepi.org/index.php/spec/
- Add vendor prefix for Caninos Loucos Program:
https://caninosloucos.org/en/program-en/
- Document Caninos Loucos Labrador SBC manufactured by Laboratory of
Integrated Technological Systems (LSI-TEC), Brazil. This board is based
on Actions Semi S500 SoC. More information about this board can be found
in their website: https://caninosloucos.org/en/labrador-32-en/
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Merge tag 'actions-bindings-for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/linux-actions into arm/dt
Actions Semi bindings for v5.10
- Add vendor prefix for Roseapple Pi: http://roseapplepi.org/
- Document RoseapplePi SBC manufactured by Roseapple Pi team in Taiwan.
This board is based on Actions Semi S500 SoC. More information about
this board can be found in their website:
http://roseapplepi.org/index.php/spec/
- Add vendor prefix for Caninos Loucos Program:
https://caninosloucos.org/en/program-en/
- Document Caninos Loucos Labrador SBC manufactured by Laboratory of
Integrated Technological Systems (LSI-TEC), Brazil. This board is based
on Actions Semi S500 SoC. More information about this board can be found
in their website: https://caninosloucos.org/en/labrador-32-en/
* tag 'actions-bindings-for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/linux-actions:
dt-bindings: arm: actions: Document RoseapplePi
dt-bindings: Add vendor prefix for RoseapplePi.org
dt-bindings: arm: actions: Document Caninos Loucos Labrador
dt-bindings: Add vendor prefix for Caninos Loucos
Link: https://lore.kernel.org/r/20200922113408.GA11251@Mani-XPS-13-9360
Signed-off-by: Olof Johansson <olof@lixom.net>
To compensate for the battery chemistry and operating conditions the
chips support a compensation value. Specify one or two byte compensation
via the maxim,rcomp byte array.
Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Maxim max17040 is a fuel gauge from a larger family utilising the Model
Gauge technology. Document all different compatible strings that the
max17040 driver recognizes.
Some devices in the wild report double the capacity. The
maxim,double-soc (from State-Of-Charge) property fixes that.
Examples: https://lore.kernel.org/patchwork/patch/1263411/#1468420
Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Most of changes are on dwc3 (38.8%) with cdns3 falling close
behind (24.1%).
The biggest changes here are a series of non-critical fixes to corner
cases on dwc3, produced by Thinh N, and a series of major improvements
to cdns3 produced by Peter C.
We also have the traditional set of new device support (Intel Keem
Bay, Hikey 970) on dwc3. A series of sparse/coccinelle and checkpatch
fixes on dwc3 by yours truly and a set of minor changes all over the
stack.
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Merge tag 'usb-for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
USB: changes for v5.10 merge window
Most of changes are on dwc3 (38.8%) with cdns3 falling close
behind (24.1%).
The biggest changes here are a series of non-critical fixes to corner
cases on dwc3, produced by Thinh N, and a series of major improvements
to cdns3 produced by Peter C.
We also have the traditional set of new device support (Intel Keem
Bay, Hikey 970) on dwc3. A series of sparse/coccinelle and checkpatch
fixes on dwc3 by yours truly and a set of minor changes all over the
stack.
* tag 'usb-for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (117 commits)
usb: dwc2: Fix INTR OUT transfers in DDMA mode.
usb: dwc2: don't use ID/Vbus detection if usb-role-switch on STM32MP15 SoCs
usb: dwc2: override PHY input signals with usb role switch support
dt-bindings: usb: dwc2: add optional usb-role-switch property
usb: dwc3: of-simple: Add compatible string for Intel Keem Bay platform
dt-bindings: usb: Add Intel Keem Bay USB controller bindings
usb: dwc3: gadget: Support up to max stream id
usb: dwc3: gadget: Return early if no TRB update
usb: dwc3: gadget: Keep TRBs in request order
usb: dwc3: gadget: Revise setting IOC when no TRB left
usb: dwc3: gadget: Look ahead when setting IOC
usb: dwc3: gadget: Allow restarting a transfer
usb: bdc: remove duplicated error message
usb: dwc3: Stop active transfers before halting the controller
usb: cdns3: gadget: enlarge the TRB ring length
usb: cdns3: gadget: sg_support is only for DEV_VER_V2 or above
usb: cdns3: gadget: need to handle sg case for workaround 2 case
usb: cdns3: gadget: handle sg list use case at completion correctly
usb: cdns3: gadget: add CHAIN and ISP bit for sg list use case
usb: cdns3: gadget: improve the dump TRB operation at cdns3_ep_run_transfer
...
Currently the sign for CURRENT_NOW and CURRENT_AVG is a bit
of a mess. There are basically 3 different ways battery fuel
gauges report the current:
1. uses negative values for discharging and positive values
for charging
2. uses positive values for discharging and negative values
for discharging (opposit of 1)
3. only uses positive values
As a result userspace currently cannot use the sign at all in
a generic way. Let's solve the issue by documenting a canonical
way for reporting the data and ensure new drivers follow this
way. Then existing drivers can be fixed on a case-by-case basis.
The 'negative value = battery discharging' has been choosen,
since there are only very few drivers doing it the other way
around.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Add parser error drop packet traps, so that capable device driver could
register them with devlink. The new packet trap group holds any drops of
packets which were marked by the device as erroneous during header
parsing. Add documentation for every added packet trap and packet trap
group.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The switch has a certain MDIO address and this needs to be specified using the
reg property. Add it to the example.
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The file zero-page.txt does not exit. Add links to zero-page.rst
instead.
[ bp: Massage a bit. ]
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20201002190623.7489-1-xypron.glpk@gmx.de
- Fix up RCU usage for cpuidle on the ARM imx6q platform (Ulf
Hansson).
- Fix typo in the PM documentation (Yoann Congal).
- Add return statement that is missing after recent changes
in the intel_pstate driver (Zhang Rui).
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Merge tag 'pm-5.9-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix one more issue related to the recent RCU-lockdep changes, a
typo in documentation and add a missing return statement to
intel_pstate.
Specifics:
- Fix up RCU usage for cpuidle on the ARM imx6q platform (Ulf
Hansson)
- Fix typo in the PM documentation (Yoann Congal)
- Add return statement that is missing after recent changes in the
intel_pstate driver (Zhang Rui)"
* tag 'pm-5.9-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ARM: imx6q: Fixup RCU usage for cpuidle
Documentation: PM: Fix a reStructuredText syntax error
cpufreq: intel_pstate: Fix missing return statement
Try to make minimal changes to the document which already describes
access class 0 in a generic fashion (including IO initiatiors that
are not CPUs).
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Fix compiler warnings on the OMAP when PM is disabled
- Clear the interrupt when setting edge sensitivity on the
Spreadtrum driver.
- Fix up spurious interrupts on the TC35894.
- Support threaded interrupts on the Siox controller.
- Fix resource leaks on the mockup driver.
- Fix line event handling in syscall compatible mode
for the character device.
- Fix an unitialized variable in the PCA953A driver.
- Fix access to all GPIO IRQs on the Aspeed AST2600.
- Fix line direction on the AMD FCH driver.
- Use the bitmap API instead of compiler intrinsics for
bit manipulation in the PCA953x driver.
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Merge tag 'gpio-v5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Some late GPIO fixes for the v5.9 series:
- Fix compiler warnings on the OMAP when PM is disabled
- Clear the interrupt when setting edge sensitivity on the Spreadtrum
driver.
- Fix up spurious interrupts on the TC35894.
- Support threaded interrupts on the Siox controller.
- Fix resource leaks on the mockup driver.
- Fix line event handling in syscall compatible mode for the
character device.
- Fix an unitialized variable in the PCA953A driver.
- Fix access to all GPIO IRQs on the Aspeed AST2600.
- Fix line direction on the AMD FCH driver.
- Use the bitmap API instead of compiler intrinsics for bit
manipulation in the PCA953x driver"
* tag 'gpio-v5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: pca953x: Correctly initialize registers 6 and 7 for PCA957x
gpio: pca953x: Use bitmap API over implicit GCC extension
gpio: amd-fch: correct logic of GPIO_LINE_DIRECTION
gpio: aspeed: fix ast2600 bank properties
gpio/aspeed-sgpio: don't enable all interrupts by default
gpio/aspeed-sgpio: enable access to all 80 input & output sgpios
gpio: pca953x: Fix uninitialized pending variable
gpiolib: Fix line event handling in syscall compatible mode
gpio: mockup: fix resource leak in error path
gpio: siox: explicitly support only threaded irqs
gpio: tc35894: fix up tc35894 interrupt configuration
gpio: sprd: Clear interrupt when setting the type as edge
gpio: omap: Fix warnings if PM is disabled
Add sysfs entries for displaying version of FW currently in use as well
as dumping full FW information including build and log-providers hashes.
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200929141247.8058-10-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Document HS and SS data bus for the "usb-role-switch" enabled case.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200920134905.4370-4-biju.das.jz@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Convert ti,hd3ss3220.txt to YAML. Updated the binding documentation
as graph bindings of this device model Super Speed (SS) data bus to
the Super Speed (SS) capable connector.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20200920134905.4370-3-biju.das.jz@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
All slots in sysrq_key_table[] are either used, reserved or at least
commented with their intended use. This patch adds capital letter versions
available, which means adding 26 more entries.
For already existing SysRq operations the user presses Alt-SysRq-<key>, and
for the newly added ones Alt-Shift-SysRq-<key>.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://lore.kernel.org/r/20200818112825.6445-2-andrzej.p@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are two different variants for Hauppauge WinTV MiniCard:
[SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD] = {
.name = "Hauppauge WinTV MiniCard",
.type = SMS_NOVA_B0,
.fw[DEVICE_MODE_DVBT_BDA] = SMS_FW_DVBT_HCW_55XXX,
.default_mode = DEVICE_MODE_DVBT_BDA,
.lna_ctrl = 29,
.board_cfg.foreign_lna0_ctrl = 29,
.rf_switch = 17,
.board_cfg.rf_switch_uhf = 17,
},
[SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2] = {
.name = "Hauppauge WinTV MiniCard Rev 2",
.type = SMS_NOVA_B0,
.fw[DEVICE_MODE_DVBT_BDA] = SMS_FW_DVBT_HCW_55XXX,
.default_mode = DEVICE_MODE_DVBT_BDA,
.lna_ctrl = -1,
},
As it can be seen, the RF part of the definitions are different.
So, better to use different names in order to distinguish
between them.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
- Core:
- New PHY attribute for max_link_rate
- New phy drivers:
- Rockchip dphy driver moved from staging
- Socionext UniPhier AHCI PHY driver
- Intel LGM SoC USB phy
- Intel Keem Bay eMMC PHY driver
- Updates:
- Support for imx8mp usb phy
- Support for DP Phy and USB3+DP combo phy in QMP driver
- Support for Qualcomm sc7180 DP phy
- Support for cadence torrent PCIe and USB single linke and multilink
configurations along with USB, SGMII/QSGMII configurations
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Merge tag 'phy-for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into usb-next
Vinod writes:
phy for 5.9
- Core:
- New PHY attribute for max_link_rate
- New phy drivers:
- Rockchip dphy driver moved from staging
- Socionext UniPhier AHCI PHY driver
- Intel LGM SoC USB phy
- Intel Keem Bay eMMC PHY driver
- Updates:
- Support for imx8mp usb phy
- Support for DP Phy and USB3+DP combo phy in QMP driver
- Support for Qualcomm sc7180 DP phy
- Support for cadence torrent PCIe and USB single linke and multilink
configurations along with USB, SGMII/QSGMII configurations
* tag 'phy-for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (72 commits)
phy: qcom-qmp: initialize the pointer to NULL
phy: qcom-qmp: Add support for sc7180 DP phy
phy: qcom-qmp: Add support for DP in USB3+DP combo phy
phy: qcom-qmp: Use devm_platform_ioremap_resource() to simplify
phy: qcom-qmp: Get dp_com I/O resource by index
phy: qcom-qmp: Move 'serdes' and 'cfg' into 'struct qcom_phy'
phy: qcom-qmp: Remove 'initialized' in favor of 'init_count'
phy: qcom-qmp: Move phy mode into struct qmp_phy
dt-bindings: phy: qcom,qmp-usb3-dp: Add DP phy information
dt-bindings: phy: ti,phy-j721e-wiz: fix bindings for torrent phy
dt-bindings: phy: cdns,torrent-phy: add reset-names
phy: rockchip-dphy-rx0: Include linux/delay.h
phy: fix USB_LGM_PHY warning & build errors
phy: cadence-torrent: Add USB + SGMII/QSGMII multilink configuration
phy: cadence-torrent: Add PCIe + USB multilink configuration
phy: cadence-torrent: Add single link USB register sequences
phy: cadence-torrent: Add single link SGMII/QSGMII register sequences
phy: cadence-torrent: Configure PHY_PLL_CFG as part of link_cmn_vals
phy: cadence-torrent: Add PHY link configuration sequences for single link
phy: cadence-torrent: Add clk changes for multilink configuration
...
Add userspace support for the Memory Tagging Extension introduced by
Armv8.5.
(Catalin Marinas and others)
* for-next/mte: (30 commits)
arm64: mte: Fix typo in memory tagging ABI documentation
arm64: mte: Add Memory Tagging Extension documentation
arm64: mte: Kconfig entry
arm64: mte: Save tags when hibernating
arm64: mte: Enable swap of tagged pages
mm: Add arch hooks for saving/restoring tags
fs: Handle intra-page faults in copy_mount_options()
arm64: mte: ptrace: Add NT_ARM_TAGGED_ADDR_CTRL regset
arm64: mte: ptrace: Add PTRACE_{PEEK,POKE}MTETAGS support
arm64: mte: Allow {set,get}_tagged_addr_ctrl() on non-current tasks
arm64: mte: Restore the GCR_EL1 register after a suspend
arm64: mte: Allow user control of the generated random tags via prctl()
arm64: mte: Allow user control of the tag check mode via prctl()
mm: Allow arm64 mmap(PROT_MTE) on RAM-based files
arm64: mte: Validate the PROT_MTE request via arch_validate_flags()
mm: Introduce arch_validate_flags()
arm64: mte: Add PROT_MTE support to mmap() and mprotect()
mm: Introduce arch_calc_vm_flag_bits()
arm64: mte: Tags-aware aware memcmp_pages() implementation
arm64: Avoid unnecessary clear_user_page() indirection
...
Remove unused functions and parameters from ACPI IORT code.
(Zenghui Yu via Lorenzo Pieralisi)
* for-next/acpi:
ACPI/IORT: Remove the unused inline functions
ACPI/IORT: Drop the unused @ops of iort_add_device_replay()
Remove redundant code and fix documentation of caching behaviour for the
HVC_SOFT_RESTART hypercall.
(Pingfan Liu)
* for-next/boot:
Documentation/kvm/arm: improve description of HVC_SOFT_RESTART
arm64/relocate_kernel: remove redundant code
Improve reporting of unexpected kernel traps due to BPF JIT failure.
(Will Deacon)
* for-next/bpf:
arm64: Improve diagnostics when trapping BRK with FAULT_BRK_IMM
Improve robustness of user-visible HWCAP strings and their corresponding
numerical constants.
(Anshuman Khandual)
* for-next/cpuinfo:
arm64/cpuinfo: Define HWCAP name arrays per their actual bit definitions
Cleanups to handling of SVE and FPSIMD register state in preparation
for potential future optimisation of handling across syscalls.
(Julien Grall)
* for-next/fpsimd:
arm64/sve: Implement a helper to load SVE registers from FPSIMD state
arm64/sve: Implement a helper to flush SVE registers
arm64/fpsimdmacros: Allow the macro "for" to be used in more cases
arm64/fpsimdmacros: Introduce a macro to update ZCR_EL1.LEN
arm64/signal: Update the comment in preserve_sve_context
arm64/fpsimd: Update documentation of do_sve_acc
Miscellaneous changes.
(Tian Tao and others)
* for-next/misc:
arm64/mm: return cpu_all_mask when node is NUMA_NO_NODE
arm64: mm: Fix missing-prototypes in pageattr.c
arm64/fpsimd: Fix missing-prototypes in fpsimd.c
arm64: hibernate: Remove unused including <linux/version.h>
arm64/mm: Refactor {pgd, pud, pmd, pte}_ERROR()
arm64: Remove the unused include statements
arm64: get rid of TEXT_OFFSET
arm64: traps: Add str of description to panic() in die()
Memory management updates and cleanups.
(Anshuman Khandual and others)
* for-next/mm:
arm64: dbm: Invalidate local TLB when setting TCR_EL1.HD
arm64: mm: Make flush_tlb_fix_spurious_fault() a no-op
arm64/mm: Unify CONT_PMD_SHIFT
arm64/mm: Unify CONT_PTE_SHIFT
arm64/mm: Remove CONT_RANGE_OFFSET
arm64/mm: Enable THP migration
arm64/mm: Change THP helpers to comply with generic MM semantics
arm64/mm/ptdump: Add address markers for BPF regions
Allow prefetchable PCI BARs to be exposed to userspace using normal
non-cacheable mappings.
(Clint Sbisa)
* for-next/pci:
arm64: Enable PCI write-combine resources under sysfs
Perf/PMU driver updates.
(Julien Thierry and others)
* for-next/perf:
perf: arm-cmn: Fix conversion specifiers for node type
perf: arm-cmn: Fix unsigned comparison to less than zero
arm_pmu: arm64: Use NMIs for PMU
arm_pmu: Introduce pmu_irq_ops
KVM: arm64: pmu: Make overflow handler NMI safe
arm64: perf: Defer irq_work to IPI_IRQ_WORK
arm64: perf: Remove PMU locking
arm64: perf: Avoid PMXEV* indirection
arm64: perf: Add missing ISB in armv8pmu_enable_counter()
perf: Add Arm CMN-600 PMU driver
perf: Add Arm CMN-600 DT binding
arm64: perf: Add support caps under sysfs
drivers/perf: thunderx2_pmu: Fix memory resource error handling
drivers/perf: xgene_pmu: Fix uninitialized resource struct
perf: arm_dsu: Support DSU ACPI devices
arm64: perf: Remove unnecessary event_idx check
drivers/perf: hisi: Add missing include of linux/module.h
arm64: perf: Add general hardware LLC events for PMUv3
Support for the Armv8.3 Pointer Authentication enhancements.
(By Amit Daniel Kachhap)
* for-next/ptrauth:
arm64: kprobe: clarify the comment of steppable hint instructions
arm64: kprobe: disable probe of fault prone ptrauth instruction
arm64: cpufeature: Modify address authentication cpufeature to exact
arm64: ptrauth: Introduce Armv8.3 pointer authentication enhancements
arm64: traps: Allow force_signal_inject to pass esr error code
arm64: kprobe: add checks for ARMv8.3-PAuth combined instructions
Tonnes of cleanup to the SDEI driver.
(Gavin Shan)
* for-next/sdei:
firmware: arm_sdei: Remove _sdei_event_unregister()
firmware: arm_sdei: Remove _sdei_event_register()
firmware: arm_sdei: Introduce sdei_do_local_call()
firmware: arm_sdei: Cleanup on cross call function
firmware: arm_sdei: Remove while loop in sdei_event_unregister()
firmware: arm_sdei: Remove while loop in sdei_event_register()
firmware: arm_sdei: Remove redundant error message in sdei_probe()
firmware: arm_sdei: Remove duplicate check in sdei_get_conduit()
firmware: arm_sdei: Unregister driver on error in sdei_init()
firmware: arm_sdei: Avoid nested statements in sdei_init()
firmware: arm_sdei: Retrieve event number from event instance
firmware: arm_sdei: Common block for failing path in sdei_event_create()
firmware: arm_sdei: Remove sdei_is_err()
Selftests for Pointer Authentication and FPSIMD/SVE context-switching.
(Mark Brown and Boyan Karatotev)
* for-next/selftests:
selftests: arm64: Add build and documentation for FP tests
selftests: arm64: Add wrapper scripts for stress tests
selftests: arm64: Add utility to set SVE vector lengths
selftests: arm64: Add stress tests for FPSMID and SVE context switching
selftests: arm64: Add test for the SVE ptrace interface
selftests: arm64: Test case for enumeration of SVE vector lengths
kselftests/arm64: add PAuth tests for single threaded consistency and differently initialized keys
kselftests/arm64: add PAuth test for whether exec() changes keys
kselftests/arm64: add nop checks for PAuth tests
kselftests/arm64: add a basic Pointer Authentication test
Implementation of ARCH_STACKWALK for unwinding.
(Mark Brown)
* for-next/stacktrace:
arm64: Move console stack display code to stacktrace.c
arm64: stacktrace: Convert to ARCH_STACKWALK
arm64: stacktrace: Make stack walk callback consistent with generic code
stacktrace: Remove reliable argument from arch_stack_walk() callback
Support for ASID pinning, which is required when sharing page-tables with
the SMMU.
(Jean-Philippe Brucker)
* for-next/svm:
arm64: cpufeature: Export symbol read_sanitised_ftr_reg()
arm64: mm: Pin down ASIDs for sharing mm with devices
Rely on firmware tables for establishing CPU topology.
(Valentin Schneider)
* for-next/topology:
arm64: topology: Stop using MPIDR for topology information
Spelling fixes.
(Xiaoming Ni and Yanfei Xu)
* for-next/tpyos:
arm64/numa: Fix a typo in comment of arm64_numa_init
arm64: fix some spelling mistakes in the comments by codespell
vDSO cleanups.
(Will Deacon)
* for-next/vdso:
arm64: vdso: Fix unusual formatting in *setup_additional_pages()
arm64: vdso32: Remove a bunch of #ifdef CONFIG_COMPAT_VDSO guards
This patch documents the usb-role-switch property in dwc2 bindings, now
that usb-role-switch support is available in dwc2 driver.
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Binding description for Intel Keem Bay USB controller.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Output defects can exist in sysfs content using sprintf and snprintf.
sprintf does not know the PAGE_SIZE maximum of the temporary buffer
used for outputting sysfs content and it's possible to overrun the
PAGE_SIZE buffer length.
Add a generic sysfs_emit function that knows that the size of the
temporary buffer and ensures that no overrun is done.
Add a generic sysfs_emit_at function that can be used in multiple
call situations that also ensures that no overrun is done.
Validate the output buffer argument to be page aligned.
Validate the offset len argument to be within the PAGE_SIZE buf.
Signed-off-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/884235202216d464d61ee975f7465332c86f76b2.1600285923.git.joe@perches.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
GX20MH01 device shares family number 0x28 with DS18B20. The device
is generally compatible with DS18B20. Added are the lowest 2^-5, 2^-6
temperature bits in Config register; R2 bit in Config register
enabling 13 and 14 bit resolutions. It is powered up in 14 bit mode.
Signed-off-by: Ivan Zaentsev <ivan.zaentsev@wirenboard.ru>
Link: https://lore.kernel.org/r/20200904160004.87710-2-ivan.zaentsev@wirenboard.ru
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The conversion time of common DS18B20 clones deviates from
datasheet specs. Allow adjustment and automatic measure of the
conversion time.
Add 'conv_time' sysfs attribute:
*read*: Current conversion time in milliseconds.
*write*:
'0': Set default conversion time.
'1': Measure and set the conversion time. Make a
single temperature conversion, poll and measure
an actual value. Measured value is increased
by 20% for temperature drift. A new conversion
time is returned by reading the same attribute.
other positive value:
Set the conversion time in milliseconds.
The setting is active until a resolution change. Then it is reset to
default conversion time for a new resolution.
Add 'features' sysfs attribute to control optional driver settings
per device. Bit masks to read/write (logical OR):
1: Enable check for conversion success. If byte 6 of
scratchpad memory is 0xC after conversion, and
temperature reads 85.00 (powerup value) or 127.94
(insufficient power) - return a conversion error.
2: Enable poll for conversion completion. Generate read cycles
after the conversion start and wait for 1's. In parasite
power mode this feature is not available.
There are some clones of DS18B20 with fixed 12 bit resolution. Make the
driver verify the resolution by reading back the device after resolution
change.
Signed-off-by: Ivan Zaentsev <ivan.zaentsev@wirenboard.ru>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Link: https://lore.kernel.org/r/20200904160004.87710-1-ivan.zaentsev@wirenboard.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Introduce sysfs entries to enable userspace clients the ability to read
the serial number and the OEM PK Hash values obtained from BHI. OEMs
need to read these device-specific hardware information values through
userspace for factory testing purposes and cannot be exposed via degbufs
as it may remain disabled for performance reasons. Also, update the
documentation for ABI to include these entries.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
[mani: used dev_groups to manage sysfs attributes]
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-16-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As warned with make htmldocs:
.../Documentation/virt/kvm/devices/vcpu.rst:70: WARNING: Malformed table.
Text in column margin in table line 2.
======= ======================================================
-ENODEV: PMUv3 not supported or GIC not initialized
-ENXIO: PMUv3 not properly configured or in-kernel irqchip not
configured as required prior to calling this attribute
-EBUSY: PMUv3 already initialized
-EINVAL: Invalid filter range
======= ======================================================
The ':' character for two lines are above the size of the column.
Besides that, other tables at the file doesn't use ':', so
just drop them.
While here, also fix this warning also introduced at the same patch:
.../Documentation/virt/kvm/devices/vcpu.rst:88: WARNING: Block quote ends without a blank line; unexpected unindent.
By marking the C code as a literal block.
Fixes: 8be86a5eec ("KVM: arm64: Document PMU filtering API")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Link: https://lore.kernel.org/r/b5385dd0213f1f070667925bf7a807bf5270ba78.1601616399.git.mchehab+huawei@kernel.org
At Hikey 970, setting the SPLIT disable at the General
User Register 3 is required.
Without that, the URBs generated by the usbhid driver
return -EPROTO errors. That causes the code at
hid-core.c to call hid_io_error(), which schedules
a reset_work, causing a call to hid_reset().
In turn, the code there will call:
usb_queue_reset_device(usbhid->intf);
The net result is that the input devices won't work, and
will be reset on every 0.5 seconds:
[ 33.122384] hub 1-1:1.0: state 7 ports 4 chg 0000 evt 0002
[ 33.378220] usb 1-1.1: reset low-speed USB device number 3 using xhci-hcd
[ 33.698394] hub 1-1:1.0: state 7 ports 4 chg 0000 evt 0000
[ 34.882365] hub 1-1:1.0: state 7 ports 4 chg 0000 evt 0002
[ 35.138217] usb 1-1.1: reset low-speed USB device number 3 using xhci-hcd
[ 35.458617] hub 1-1:1.0: state 7 ports 4 chg 0000 evt 0000
[ 36.642392] hub 1-1:1.0: state 7 ports 4 chg 0000 evt 0002
[ 36.898207] usb 1-1.1: reset low-speed USB device number 3 using xhci-hcd
[ 37.218598] hub 1-1:1.0: state 7 ports 4 chg 0000 evt 0000
[ 38.402368] hub 1-1:1.0: state 7 ports 4 chg 0000 evt 0002
[ 38.658174] usb 1-1.1: reset low-speed USB device number 3 using xhci-hcd
[ 38.978594] hub 1-1:1.0: state 7 ports 4 chg 0000 evt 0000
[ 40.162361] hub 1-1:1.0: state 7 ports 4 chg 0000 evt 0002
[ 40.418148] usb 1-1.1: reset low-speed USB device number 3 using xhci-hcd
...
[ 397.698132] usb 1-1.1: reset low-speed USB device number 3 using xhci-hcd
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
adds the specific compatible string for the DWC2 IP found in the APM82181
SoCs. The APM82181's USB-OTG seems like it was taken from its direct
predecessor: the PPC460EX (canyonlands).
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Controller version 0x0002450D has USB2 PHY RX sensitivity issues
that needs to be worked around by enabling phyrst-a-enable bit
in PHYRST_CFG register.
There is no way to know controller version before device controller
is started and the workaround needs to be applied for both host and
device modes, so we add this DT property.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Converts cdns-usb3.txt to YAML schema cdns,usb3.yaml
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
The Amlogic AXG is close to the GXL Glue but with a single OTG PHY.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Add compatible for bq34z100 charger.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The binding was added in 2013 and has had no driver since 2015.
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200826184851.3431531-1-robh@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Add a compatible string for the SynQuacer TPM to the binding for a
TPM exposed via a memory mapped TIS frame. The MMIO window behaves
slightly differently on this hardware, so it requires its own
identifier.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Acked-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
This round of update includes:
- Generic bandwidth allocation algorithm from Intel folks
- PM support for Intel chipsets
- Updates to Intel drivers which makes sdw usable on latest laptops
- Support for MMIO SDW controllers found in QC chipsets
- Update to subsystem to use helpers in bitfield.h to manage register
bits
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Merge tag 'soundwire-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire into char-misc-next
Vinod writes:
soundwire updates for 5.10-rc1
This round of update includes:
- Generic bandwidth allocation algorithm from Intel folks
- PM support for Intel chipsets
- Updates to Intel drivers which makes sdw usable on latest laptops
- Support for MMIO SDW controllers found in QC chipsets
- Update to subsystem to use helpers in bitfield.h to manage register
bits
* tag 'soundwire-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire: (66 commits)
soundwire: sysfs: add slave status and device number before probe
soundwire: bus: add enumerated Slave device to device list
soundwire: remove an unnecessary NULL check
soundwire: cadence: add data port test fail interrupt
soundwire: intel: enable test modes
soundwire: enable Data Port test modes
soundwire: intel: use {u32|u16}p_replace_bits
soundwire: cadence: use u32p_replace_bits
soundwire: qcom: get max rows and cols info from compatible
soundwire: qcom: add support to block packing mode
soundwire: qcom: clear BIT FIELDs before value set.
soundwire: Add generic bandwidth allocation algorithm
soundwire: cadence: add parity error injection through debugfs
soundwire: bus: export broadcast read/write capability for tests
ASoC: codecs: realtek-soundwire: ignore initial PARITY errors
soundwire: bus: use quirk to filter out invalid parity errors
soundwire: slave: add first_interrupt_done status
soundwire: bus: filter-out unwanted interrupt reports
ASoC/soundwire: bus: use property to set interrupt masks
soundwire: qcom: fix SLIBMUS/SLIMBUS typo
...
The PM660 and PM660L combo is found on boards featuring the
SDM630, SDM636, SDM660 (and SDA variants) and it is used to
give power to practically everything, from core to peripherals.
Document the SMD-RPM regulator entries for both.
Signed-off-by: AngeloGioacchino Del Regno <kholk11@gmail.com>
Link: https://lore.kernel.org/r/20200926125549.13191-8-kholk11@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The PM660 and PM660L combo is found on boards featuring the
SDM630, SDM636, SDM660 (and SDA variants) and it is used to
give power to practically everything, from core to peripherals.
Document the SPMI regulator bindings for both.
Signed-off-by: AngeloGioacchino Del Regno <kholk11@gmail.com>
Link: https://lore.kernel.org/r/20200926125549.13191-5-kholk11@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Convert the Renesas Ethernet AVB (EthernetAVB-IF) Device Tree binding
documentation to json-schema.
Add missing properties.
Update the example to match reality.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some EtherAVB variants support internal clock delay configuration, which
can add larger delays than the delays that are typically supported by
the PHY (using an "rgmii-*id" PHY mode, and/or "[rt]xc-skew-ps"
properties).
Add properties for configuring the internal MAC delays.
These properties are mandatory, even when specified as zero, to
distinguish between old and new DTBs.
Update the (bogus) example accordingly.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Internal Receive and Transmit Clock Delays are a common setting for
RGMII capable devices.
While these delays are typically applied by the PHY, some MACs support
configuring internal clock delay settings, too. Hence add standardized
properties to configure this.
This is the MAC counterpart of commit 9150069bf5 ("dt-bindings:
net: Add tx and rx internal delays"), which applies to the PHY.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
IOMMU UAPI is newly introduced to support communications between guest
virtual IOMMU and host IOMMU. There has been lots of discussions on how
it should work with VFIO UAPI and userspace in general.
This document is intended to clarify the UAPI design and usage. The
mechanics of how future extensions should be achieved are also covered
in this documentation.
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Cc: linux-api@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Link: https://lore.kernel.org/r/1601051567-54787-2-git-send-email-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Mauro Carvalho Chehab