This patch adds basic documentation of the user/kernel interface
provided by the for SVE.
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Alan Hayward <alan.hayward@arm.com>
Cc: Alex Bennée <alex.bennee@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Szabolcs Nagy <szabolcs.nagy@arm.com>
Cc: linux-api@vger.kernel.org
Signed-off-by: Will Deacon <will.deacon@arm.com>
This patch enables detection of hardware SVE support via the
cpufeatures framework, and reports its presence to the kernel and
userspace via the new ARM64_SVE cpucap and HWCAP_SVE hwcap
respectively.
Userspace can also detect SVE using ID_AA64PFR0_EL1, using the
cpufeatures MRS emulation.
When running on hardware that supports SVE, this enables runtime
kernel support for SVE, and allows user tasks to execute SVE
instructions and make of the of the SVE-specific user/kernel
interface extensions implemented by this series.
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
The code sample is waiting for an async. crypto op completion.
Adapt sample to use the new generic infrastructure to do the same.
This also fixes a possible data coruption bug created by the
use of wait_for_completion_interruptible() without dealing
correctly with an interrupt aborting the wait prior to the
async op finishing.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merge 4.14-rc3 in order to pick up the new timer_setup function.
Pull i2c/cht-wc-fusb302-immutable immutable branch from Wolfram Sang:
as discussed before, here is the immutable branch for the i2c-cht-wc
driver, so you can safely apply Hans' patch [1]
"platform/x86: intel_cht_int33fe: Update fusb302 type string, add properties"
on top of this.
[1] http://patchwork.ozlabs.org/patch/824314/
IPI driver for the Open Multi-Processor Interrupt Controller (ompic) as
described in the Multi-core support section of the OpenRISC 1.2
architecture specification:
https://github.com/openrisc/doc/raw/master/openrisc-arch-1.2-rev0.pdf
Each OpenRISC core contains a full interrupt controller which is used in
the SMP architecture for interrupt balancing. This IPI device, the
ompic, is the only external device required for enabling SMP on
OpenRISC.
Pending ops are stored in a memory bit mask which can allow multiple
pending operations to be set and serviced at a time. This is mostly
borrowed from the alpha IPI implementation.
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
[shorne@gmail.com: converted ops to bitmask, wrote commit message]
Signed-off-by: Stafford Horne <shorne@gmail.com>
Add OpenRISC.io to vendor prefixes. This is reserved for softcores
developed by the OpenRISC community. The OpenRISC community has
separated from OpenCores.org requiring a new prefix.
Reviewed-by: Andreas Färber <afaerber@suse.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stafford Horne <shorne@gmail.com>
Add devicetree binding documentation for the OpenRISC platform
opencores,or1ksim. This is the main OpenRISC reference platform
supporting multiple FPGA SoC's.
This format is based on some of the mips binding docs as we have
similar requirements.
Also, update maintainers so openrisc related binding changes are visible
to the openrisc team.
Acked-by: Rob Herring <robh@kernel.org>
Suggested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Stafford Horne <shorne@gmail.com>
RFC 8200 (IPv6) defines Hop-by-Hop options and Destination options
extension headers. Both of these carry a list of TLVs which is
only limited by the maximum length of the extension header (2048
bytes). By the spec a host must process all the TLVs in these
options, however these could be used as a fairly obvious
denial of service attack. I think this could in fact be
a significant DOS vector on the Internet, one mitigating
factor might be that many FWs drop all packets with EH (and
obviously this is only IPv6) so an Internet wide attack might not
be so effective (yet!).
By my calculation, the worse case packet with TLVs in a standard
1500 byte MTU packet that would be processed by the stack contains
1282 invidual TLVs (including pad TLVS) or 724 two byte TLVs. I
wrote a quick test program that floods a whole bunch of these
packets to a host and sure enough there is substantial time spent
in ip6_parse_tlv. These packets contain nothing but unknown TLVS
(that are ignored), TLV padding, and bogus UDP header with zero
payload length.
25.38% [kernel] [k] __fib6_clean_all
21.63% [kernel] [k] ip6_parse_tlv
4.21% [kernel] [k] __local_bh_enable_ip
2.18% [kernel] [k] ip6_pol_route.isra.39
1.98% [kernel] [k] fib6_walk_continue
1.88% [kernel] [k] _raw_write_lock_bh
1.65% [kernel] [k] dst_release
This patch adds configurable limits to Destination and Hop-by-Hop
options. There are three limits that may be set:
- Limit the number of options in a Hop-by-Hop or Destination options
extension header.
- Limit the byte length of a Hop-by-Hop or Destination options
extension header.
- Disallow unrecognized options in a Hop-by-Hop or Destination
options extension header.
The limits are set in corresponding sysctls:
ipv6.sysctl.max_dst_opts_cnt
ipv6.sysctl.max_hbh_opts_cnt
ipv6.sysctl.max_dst_opts_len
ipv6.sysctl.max_hbh_opts_len
If a max_*_opts_cnt is less than zero then unknown TLVs are disallowed.
The number of known TLVs that are allowed is the absolute value of
this number.
If a limit is exceeded when processing an extension header the packet is
dropped.
Default values are set to 8 for options counts, and set to INT_MAX
for maximum length. Note the choice to limit options to 8 is an
arbitrary guess (roughly based on the fact that the stack supports
three HBH options and just one destination option).
These limits have being proposed in draft-ietf-6man-rfc6434-bis.
Tested (by Martin Lau)
I tested out 1 thread (i.e. one raw_udp process).
I changed the net.ipv6.max_dst_(opts|hbh)_number between 8 to 2048.
With sysctls setting to 2048, the softirq% is packed to 100%.
With 8, the softirq% is almost unnoticable from mpstat.
v2;
- Code and documention cleanup.
- Change references of RFC2460 to be RFC8200.
- Add reference to RFC6434-bis where the limits will be in standard.
Signed-off-by: Tom Herbert <tom@quantonium.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
* Add a flag to mark NANDs that require 3 address cycles to encode a
page address
* Set a default ECC/free layout when NAND_ECC_NONE is requested
* Fix a bug in panic_nand_write()
Driver changes:
* Another batch of cleanups for the denali driver
* Fix PM support in the atmel driver
* Remove support for platform data in the omap driver
* Fix subpage write in the omap driver
* Fix irq handling in the mtk driver
* Change link order of mtk_ecc and mtk_nand drivers to speed up boot
time
* Change log level of ECC error messages in the mxc driver
* Patch the pxa3xx driver to support Armada 8k platforms
* Add BAM DMA support to the qcom driver
* Convert gpio-nand to the GPIO desc API
* Fix ECC handling in the mt29f driver
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Merge tag 'nand/for-4.15' of git://git.infradead.org/l2-mtd
From Boris:
"
Core changes:
* Add a flag to mark NANDs that require 3 address cycles to encode a
page address
* Set a default ECC/free layout when NAND_ECC_NONE is requested
* Fix a bug in panic_nand_write()
Driver changes:
* Another batch of cleanups for the denali driver
* Fix PM support in the atmel driver
* Remove support for platform data in the omap driver
* Fix subpage write in the omap driver
* Fix irq handling in the mtk driver
* Change link order of mtk_ecc and mtk_nand drivers to speed up boot
time
* Change log level of ECC error messages in the mxc driver
* Patch the pxa3xx driver to support Armada 8k platforms
* Add BAM DMA support to the qcom driver
* Convert gpio-nand to the GPIO desc API
* Fix ECC handling in the mt29f driver
"
Core changes:
* Introduce system power management support.
* New mechanism to select the proper .quad_enable() hook by JEDEC ID,
when needed, instead of only by manufacturer ID.
* Add support to new memory parts from Gigadevice, Winbond, Macronix and
Everspin.
Driver changes:
* Maintainance for Cadence, Intel, Mediatek and STM32 drivers.
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Merge tag 'spi-nor/for-4.15' of git://git.infradead.org/l2-mtd
This pull-request contains the following notable changes:
From Cyrille:
"
Core changes:
* Introduce system power management support.
* New mechanism to select the proper .quad_enable() hook by JEDEC ID,
when needed, instead of only by manufacturer ID.
* Add support to new memory parts from Gigadevice, Winbond, Macronix and
Everspin.
Driver changes:
* Maintainance for Cadence, Intel, Mediatek and STM32 drivers.
"
Meson8 uses the same GPIO interrupt controller IP block as the other
Meson SoCs. A total of 134 pins can be spied on, which is the sum of:
- 22 pins on bank GPIOX
- 17 pins on bank GPIOY
- 30 pins on bank GPIODV
- 10 pins on bank GPIOH
- 15 pins on bank GPIOZ
- 7 pins on bank CARD
- 19 pins on bank BOOT
- 14 pins in the AO domain
Acked-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
There is a lot of broken firmware out there that don't really
expose the information the kernel requires when it comes with dealing
with GICv2:
(1) Firmware that only describes the first 4kB of GICv2
(2) Firmware that describe 128kB of CPU interface, while
the usable portion of the address space is between
60 and 68kB
So far, we only deal with (2). But we have platforms exhibiting
behaviour (1), resulting in two sub-cases:
(a) The GIC is occupying 8kB, as required by the GICv2 architecture
(b) It is actually spread 128kB, and this is likely to be a version
of (2)
This patch tries to work around both (a) and (b) by poking at
the outside of the described memory region, and try to work out
what is actually there. This is of course unsafe, and should
only be enabled if there is no way to otherwise fix the DT provided
by the firmware (we provide a "irqchip.gicv2_force_probe" option
to that effect).
Note that for the time being, we restrict ourselves to GICv2
implementations provided by ARM, since there I have no knowledge
of an alternative implementations. This could be relaxed if such
an implementation comes to light on a broken platform.
Reviewed-by: Christoffer Dall <cdall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
- add mt7622 support to pwrap
- test build all mediatek soc drivers
- fix compiler issues
- clean up Kconfig description
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Merge tag 'v4.14-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers
Pull "Mediatek: soc driver updates for v4.15" from Matthias Brugger:
- add 32 bit read/write support to pwrap
- add mt7622 support to pwrap
- test build all mediatek soc drivers
- fix compiler issues
- clean up Kconfig description
* tag 'v4.14-next-soc' of https://github.com/mbgg/linux-mediatek:
soc: mediatek: pwrap: fix fatal compiler error
soc: mediatek: pwrap: fix compiler errors
arm64: mediatek: cleanup message for platform selection
soc: Allow test-building of MediaTek drivers
soc: mediatek: place Kconfig for all SoC drivers under menu
soc: mediatek: pwrap: add support for MT7622 SoC
soc: mediatek: pwrap: add common way for setup CS timing extenstion
soc: mediatek: pwrap: add MediaTek MT6380 as one slave of pwrap
soc: mediatek: pwrap: refactor pwrap_init for the various PMIC types
soc: mediatek: pwrap: add pwrap_write32 for writing in 32-bit mode
soc: mediatek: pwrap: add pwrap_read32 for reading in 32-bit mode
dt-bindings: arm: mediatek: add MT7622 string to the PMIC wrapper doc
ARM: mediatek: Cocci spatch "of_table"
soc: mediatek: pwrap: fixup warnings from coding style
This contains the Tegra186 BPMP thermal driver. It is used to monitor
and access several thermal sensors found in the SoC.
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Merge tag 'tegra-for-4.15-thermal' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
Pull "thermal: tegra: Changes for v4.15-rc1" from Thierry Reding:
This contains the Tegra186 BPMP thermal driver. It is used to monitor
and access several thermal sensors found in the SoC.
* tag 'tegra-for-4.15-thermal' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
thermal: Add Tegra BPMP thermal sensor driver
dt-bindings: Add bindings for nvidia,tegra186-bpmp-thermal
dt-bindings: clock: tegra: Add sor1_out clock
Provide a rough overview of the state of the driver. And explain that the
driver operates in two modes: bridged and port-separated.
Signed-off-by: Egil Hjelmeland <egil.hjelmeland@zenitel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Document the regulators available on pmi8994 and add support for
this PMIC to the SPMI PMIC regulator driver.
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Pick up some of the MPX commits that modify the syscall entry code,
to have a common base and to reduce conflicts.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This patch adds the binding documentation for apmixedsys, ethsys, hifsys,
infracfg, pericfg, topckgen and audsys for MT7622.
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This patch add documentation about the MDIO switch used on sun8i-h3-emac
for integrated PHY.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This patch adds the binding documentation for apmixedsys, bdpsys,
imgsys, imgsys, infracfg, mcucfg, mfgcfg, mmsys, pericfg, topckgen,
vdecsys and vencsys for Mediatek MT2712.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Add all RPM controlled clocks on msm8996 platform
[srini: Fixed various issues with offsets and made names specific to msm8996]
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
These compatible strings need to be added to extend support
for the RPM CC to cover MSM8660/APQ8060. We also need to add
enumberators to the include file for a few clocks that were
missing.
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The concept of "active" clocks is just explained in a bried comment in the
device driver, let's explain it a bit more in the device tree bindings
so everyone understands this.
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Sometimes we only have one of_clk_del_provider() call in driver
error and remove paths, because we're missing a
devm_of_clk_add_hw_provider() API. Introduce the API so we can
convert drivers to use this and potentially reduce the amount of
code needed to remove providers in drivers.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Smooth Cong Wang's bug fix into 'net-next'. Basically put
the bulk of the tcf_block_put() logic from 'net' into
tcf_block_put_ext(), but after the offload unbind.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Backmerge tag 'v4.14-rc7' into drm-next
Linux 4.14-rc7
Requested by Ben Skeggs for nouveau to avoid major conflicts,
and things were getting a bit conflicty already, esp around amdgpu
reverts.
Next Thing Co. is the company behind the C.H.I.P. and C.H.I.P. Pro
miniature single board computers.
The "nextthing" vendor-prefix is already used for these two board as
well as their own "GR8" SoC.
Cc: Alexander Kaplan <alex@nextthing.co>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Since hub usb2517 is going to be supported by the usb251xb driver,
the bindings need to be properly updated. Particularly:
- add "microchip,usb2517" and "microchip,usb2517i" compatible strings.
- add "boolean" description to all the properties, which really accept
a boolean value including a new one "led-{usb,speed}-mode".
- move reset-gpios property to the optional section. It isn't
defined as required in the code and shouldn't be required at all, since
hardware may handle reset pins by itself.
- add new led-{usb,speed}-mode mode property. USB2517 device supports
two LED modes: USB mode and speed (default) indication mode. The last one
can be switched on by this property.
- add {bp,sp}-max-{total,removable}-current-microamp property measured in
microamp. It hasn't been defined as property before. Since the limitation
specified by these parameters is hardware specific it needs to be defined
in dts.
Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Documentation modification, now interrupt-parent is an optional
property. Also fix few typos.
Signed-off-by: Jules Maselbas <jules.maselbas@grenoble-inp.org>
Reported-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
to address common misconceptions about what BPF is and what it's not
add short BPF Q&A that clarifies core BPF design principles and
answers some common questions.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds the binding documentation for Spreadtrum SC27xx series
PMIC device.
Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add a new compatible for thermal founding on RV1108 SoCs.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rocky Hao <rocky.hao@rock-chips.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
- Add support for the second display unit clock on RZ/G1E,
- Add git repository to MAINTAINERS,
- Add suspend/resume support for R-Car Gen3 CPG/MSSR,
- Small fixes and cleanups.
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Merge tag 'clk-renesas-for-v4.15-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-next
Pull Renesas clk driver updates from Geert Uytterhoeven:
- Add support for the second display unit clock on RZ/G1E,
- Add git repository to MAINTAINERS,
- Add suspend/resume support for R-Car Gen3 CPG/MSSR,
- Small fixes and cleanups.
* tag 'clk-renesas-for-v4.15-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers:
clk: renesas: rcar-gen3: Restore R clock during resume
clk: renesas: rcar-gen3: Restore SDHI clocks during resume
clk: renesas: div6: Restore clock state during resume
clk: renesas: cpg-mssr: Add support to restore core clocks during resume
clk: renesas: cpg-mssr: Restore module clocks during resume
MAINTAINERS: Add git repository to Renesas clock driver section
clk: renesas: cpg-mssr: Add du1 clock to R8A7745
clk: renesas: rz: clk-rz is meant for RZ/A1
clk: renesas: r8a77995: Correct parent clock of INTC-AP
clk: renesas: r8a7796: Correct parent clock of INTC-AP
clk: renesas: r8a7795: Correct parent clock of INTC-AP
Document optional lens-focus and flash-leds properties for the smiapp
driver.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
The lens-focus property contains a phandle to the lens voice coil driver
that is associated to the sensor; typically both are contained in the same
camera module.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: devicetree@vger.kernel.org
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Camera flash drivers (and LEDs) are separate from the sensor devices in
DT. In order to make an association between the two, provide the
association information to the software.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: devicetree@vger.kernel.org
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Perhaps long overdue, add a documentation file for filesystem-level
encryption, a.k.a. fscrypt or fs/crypto/, to the Documentation
directory. The new file is based loosely on the latest version of the
"EXT4 Encryption Design Document (public version)" Google Doc, but with
many improvements made, including:
- Reflect the reality that it is not specific to ext4 anymore.
- More thoroughly document the design and user-visible API/behavior.
- Replace outdated information, such as the outdated explanation of how
encrypted filenames are hashed for indexed directories and how
encrypted filenames are presented to userspace without the key.
(This was changed just before release.)
For now the focus is on the design and user-visible API/behavior, not on
how to add encryption support to a filesystem --- since the internal API
is still pretty messy and any standalone documentation for it would
become outdated as things get refactored over time.
Reviewed-by: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This reverts commit 0cc2b4e5a0 (PM / QoS: Fix device resume latency PM
QoS) as it introduced regressions on multiple systems and the fix-up
in commit 2a9a86d5c8 (PM / QoS: Fix default runtime_pm device resume
latency) does not address all of them.
The original problem that commit 0cc2b4e5a0 was attempting to fix
will be addressed later.
Fixes: 0cc2b4e5a0 (PM / QoS: Fix device resume latency PM QoS)
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The original dwmac-sun8i DT bindings have some issue on how to handle
integrated PHY and was reverted in last RC of 4.13.
But now we have a solution so we need to get back that was reverted.
This patch restore dt-bindings documentation about dwmac-sun8i
This reverts commit 8aa33ec2f4 ("dt-bindings: net: Revert sun8i dwmac binding")
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
When investigating performance, it is useful to be able to look at
the number of host and guest events per-channel. This is equivalent
to per-device interrupt statistics.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is update for supporting additional devices da9223/4/5.
Only device strings is added because only package type is different.
Signed-off-by: James Ban <James.Ban..opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Since no complaints have been raised after disabling the build of OSS
(Open Sound System) by the commit 31cbee6a56 ("sound: Disable the
build of OSS drivers"), let's finally drop the whole code and
documentation.
Some glue codes are still left intact since sound/oss/dmasound stuff
remains -- which is an independent implementation solely for m68k, and
it's not covered by ALSA yet.
Also, a couple of API header files (linux/sound.h and
linux/soundcard.h) are kept remaining as well, since the OSS API
itself is still supported by ALSA OSS emulation, and applications can
refer to these.
Where we're at it, some help texts in the top-level Kconfig are
adjusted, too (who still needs to specify I/O port in kbuild
nowadays?).
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Document the latest updates on the isolcpus= boot option. While at it,
let's also fix the details about the preferred way to isolate a set of
CPUs from the scheduler general domains. Cpusets offer a much better
interface to achieve that.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Luiz Capitulino <lcapitulino@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Wanpeng Li <kernellwp@gmail.com>
Link: http://lkml.kernel.org/r/1509419914-16179-1-git-send-email-frederic@kernel.org
[ Clarified the text some more, marked the boot option deprecated. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
- Use the same file name in the explanation and in the example (conex.c vs
sonixj.c)
- Add a missing ':' in a :ref: tag which leads to incorrect Shpinx output
- Add some missing ',' and ';'
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Virtual GLINK channels may know what throughput to expect from a
remoteproc. An intent advertises to the remoteproc this channel is
ready to receive data. Allow a channel to define the size and amount of
intents to be prequeued.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chris Lew <clew@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This patch add support for mss boot on msm8996. Major changes
include initializing mss rproc for msm8996, making appropriate
change for executing mss reset sequence etc.
Tested-and-acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
- An addition of separate driver for the Exynos 4412 ISP CMU, needed
to model and properly handle the clock controller's dependencies
on the ISP power domain.
- Adding __maybe_unused attributes to the exynos5433_cmu_{suspend,
resume} ops to suppress compiler warnings with CONFIG_PM disabled.
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Merge tag 'clk-v4.15-exynos-pm' of git://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk into clk-next
Pull Samsung clk driver updates from Sylwester Nawrocki:
- An addition of separate driver for the Exynos 4412 ISP CMU, needed
to model and properly handle the clock controller's dependencies
on the ISP power domain.
- Adding __maybe_unused attributes to the exynos5433_cmu_{suspend,
resume} ops to suppress compiler warnings with CONFIG_PM disabled.
* tag 'clk-v4.15-exynos-pm' of git://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk:
clk: samsung: Add a separate driver for Exynos4412 ISP clocks
clk: samsung: Add dt bindings for Exynos4412 ISP clock controller
clk: samsung: Instantiate Exynos4412 ISP clocks only when available
clk: samsung: exynos5433: mark PM functions as __maybe_unused
- Add GICv3 ITS node and PCIe devcies for LS1088A support.
- Enable PCIe support for LS2088A SoC.
- Add OP-TEE support for various Layerscape SoCs, LS1012A, LS1043A,
LS1046A, LS1088A and LS208XA.
- Update DPAA QBMan nodes to use constant defines in the interrupt
description.
- Add DSPI device to support SPI-NOR on LS1012A based boards.
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Merge tag 'imx-dt64-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt
Pull "Freescale arm64 device tree updates for 4.15" from Shawn Guo:
- Add GICv3 ITS node and PCIe devcies for LS1088A support.
- Enable PCIe support for LS2088A SoC.
- Add OP-TEE support for various Layerscape SoCs, LS1012A, LS1043A,
LS1046A, LS1088A and LS208XA.
- Update DPAA QBMan nodes to use constant defines in the interrupt
description.
- Add DSPI device to support SPI-NOR on LS1012A based boards.
* tag 'imx-dt64-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: update the DPAA QBMan nodes
arm64: dts: ls1088a: add PCIe controller DT nodes
arm64: dts: ls1088a: add gicv3 ITS DT node
arm64: dts: ls2088a: add pcie support
arm64: dts: ls: Add optee node
dt-bindings: mtd: add sst25wf040b and en25s64 to sip-nor list
dt-bindings: spi: Add fsl,ls1012a-dspi compatible string
arm64: dts: ls1012a: add the DTS node for DSPI support
On Armada 7K/8k:
- Improve network support at SoC and board level
- Enable watchdog
- Add UART muxing
- On 7040 DB: add CD SDIO and NAND support
- On 8040 DB: add PCIE more ports and SPI1
On Armada 37xx:
- Fix UART register size
- Add vmmc regulator for SD on 3720 DB
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Merge tag 'mvebu-dt64-4.15-1' of git://git.infradead.org/linux-mvebu into next/dt
Pull "mvebu dt64 for 4.15 (part 1)" from Gregory CLEMENT:
On Armada 7K/8k:
- Improve network support at SoC and board level
- Enable watchdog
- Add UART muxing
- On 7040 DB: add CD SDIO and NAND support
- On 8040 DB: add PCIE more ports and SPI1
On Armada 37xx:
- Fix UART register size
- Add vmmc regulator for SD on 3720 DB
* tag 'mvebu-dt64-4.15-1' of git://git.infradead.org/linux-mvebu:
arm64: dts: marvell: 7040-db: Add the carrier detect pin for SD card on CP
arm64: dts: marvell: 7040-db: Document the gpio expander
arm64: dts: marvell: enable additional PCIe ports on Armada 8040 DB
arm64: dts: marvell: add NAND support on the 7040-DB board
arm64: dts: marvell: Enable Armada-8040-DB CPS SPI1
arm64: dts: marvell: 8040-db: enable the SFP ports
arm64: dts: marvell: 7040-db: enable the SFP port
arm64: dts: marvell: 7040-db: add comphy reference to Ethernet port
arm64: dts: marvell: mcbin: add comphy references to Ethernet ports
arm64: dts: marvell: 37xx: remove empty line
arm64: dts: marvell: cp110: add PPv2 port interrupts
arm64: dts: marvell: add comphy nodes on cp110 master and slave
arm64: dts: marvell: extend the cp110 syscon register area length
arm64: dts: marvell: enable AP806 watchdog
arm64: dts: marvell: Fix A37xx UART0 register size
arm64: dts: marvell: armada-3720-db: Add vmmc regulator for SD slot
arm64: dts: marvell: add UART muxing on Armada 7K/8K
Most notable changes:
- SPI and DMA support on the a64
- New boards: NanoPi NEO Plus2
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Merge tag 'sunxi-dt64-for-4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/dt
Pull "Allwinner arm64 DT changes for 4.15" from Maxime Ripard:
Most notable changes:
- SPI and DMA support on the a64
- New boards: NanoPi NEO Plus2
* tag 'sunxi-dt64-for-4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
arm: allwinner: Correct unit name in devicetree binding example
arm64: allwinner: a64: add dma controller references to spi nodes
arm64: allwinner: a64: Add device node for DMA controller
arm64: allwinner: a64: Fix node with unit name and no reg property
arm64: allwinner: a64: Fix simple-bus unit address format error
arm64: allwinner: h5: add NanoPi NEO Plus2 DT support
arm64: allwinner: a64: add SPI nodes
- New board support: i.MX51 ZII RDU1, i.MX53 GE Healthcare PPD, i.MX6
TX modules for MB7 from Ka-Ro Electronics, i.MX6 Wandboard revd1
variants, i.MX6 LWN DISPLAY5 board, Pistachio i.MX6Q board, i.MX6SX
Vining-2000 board.
- Use the 'vpcie-supply' property for PCIe device for boards
imx6qdl-sabresd, imx6q-novena and imx6q-cm-fx6.
- A series from Jagan Teki to update imx6qdl-icore board with audio,
touch and CAN support.
- Switch to nvmem for accessing OCOTP from tempmon for i.MX6SX and add
tempmon support for i.MX6UL.
- A bunch of patches from Lothar Waßmann updating Ka-Ro i.MX28, i.MX53
and i.MX6 TX modules.
- Fix DTC warnings in i.MX device trees, dropping leading zeros from
unit address, correcting display nodes notation and display port
names, fixing nodes with unit name and no reg property.
- Other random device updates for various board support.
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Merge tag 'imx-dt-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt
Pull "i.MX device tree updates for 4.15" from Shawn Guo:
- New board support: i.MX51 ZII RDU1, i.MX53 GE Healthcare PPD, i.MX6
TX modules for MB7 from Ka-Ro Electronics, i.MX6 Wandboard revd1
variants, i.MX6 LWN DISPLAY5 board, Pistachio i.MX6Q board, i.MX6SX
Vining-2000 board.
- Use the 'vpcie-supply' property for PCIe device for boards
imx6qdl-sabresd, imx6q-novena and imx6q-cm-fx6.
- A series from Jagan Teki to update imx6qdl-icore board with audio,
touch and CAN support.
- Switch to nvmem for accessing OCOTP from tempmon for i.MX6SX and add
tempmon support for i.MX6UL.
- A bunch of patches from Lothar Waßmann updating Ka-Ro i.MX28, i.MX53
and i.MX6 TX modules.
- Fix DTC warnings in i.MX device trees, dropping leading zeros from
unit address, correcting display nodes notation and display port
names, fixing nodes with unit name and no reg property.
- Other random device updates for various board support.
* tag 'imx-dt-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (63 commits)
ARM: dts: imx53-tx53: fix interrupt flags
ARM: dts: imx28-tx28: fix interrupt flags
ARM: dts: display5: Device tree description of LWN's DISPLAY5 board
ARM: dts: imx53-qsb-common: Fix 'led_gpio7_7@0' node with unit name and no reg property
ARM: dts: imx53-m53evk: Fix 'led_gpio@0' node with unit name and no reg property
ARM: dts: imx53: Fix 'usbphy@x' node with unit name and no reg property
ARM: dts: imx51-ts4800: Fix 'port@0' node with unit name and no reg property
ARM: dts: imx51-apf51dev: Fix 'backlight@bl1' node with unit name and no reg property
ARM: dts: imx: add ZII RDU1 board
ARM: dts: imx: add support for TX6 modules on MB7 baseboard
ARM: dts: imx: add support for TX6QP
ARM: dts: imx6-tx6: add a .dtsi file for the MB7 baseboard
ARM: dts: imx6-tx6: move display configuration to .dtsi file
ARM: dts: imx6-tx6: add support for I2C bus recovery
ARM: dts: imx6-tx6: convert to using simple-audio-card
ARM: dts: imx6-tx6: specify ethernet phy reset post-delay
ARM: dts: imx6-tx6: improve ethernet related pinctrl setup
ARM: dts: imx6-tx6: add trickle-charge config for DS1339
ARM: dts: imx6-tx6: remove obsolete ipu1 alias
ARM: dts: imx6-tx6: remove obsolete eeti,egalax_ts
...
[arnd: made sure we have no new leading zeroes in unit address during merge]
Update the OpenRISC readme to provide some more up-to-date information
on how to get started with OpenRISC. This includes:
- remove references to southpole who no longer are consulting for
OpenRISC (confirmed with Jonas)
- suggested QEMU instead of the old or1ksim as QEMU is well supported
- include instructions on how to get an FPGA board running
Suggested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Stafford Horne <shorne@gmail.com>
The OpenRISC docs have traditionally been in arch/ but that does not
seem like the correct place to be. Move them so they will be more
visible to others. Also update MAINTAINERS to make sure we get
notifications of changes.
Signed-off-by: Stafford Horne <shorne@gmail.com>
Several conflicts here.
NFP driver bug fix adding nfp_netdev_is_nfp_repr() check to
nfp_fl_output() needed some adjustments because the code block is in
an else block now.
Parallel additions to net/pkt_cls.h and net/sch_generic.h
A bug fix in __tcp_retransmit_skb() conflicted with some of
the rbtree changes in net-next.
The tc action RCU callback fixes in 'net' had some overlap with some
of the recent tcf_block reworking.
Signed-off-by: David S. Miller <davem@davemloft.net>
please pull the following:
- Eric adds support for the CLCD and PWM controller on Cygnus chis
- Loic fixes the console path on the Raspberry Pi 3 (already submitted as
fixes) and then proceeds with enabling the BCM43438 bluetooth chip on
the Raspberry Pi 3
- Rafal specifies the USB ports on the Luxul XWR-1200
- Dan adds support for the Luxul ABR-4500 based on BCM47094, the Luxul XAP-810
and XAP-1440 both based on BCM53573
- Florian adds support for the Broadcom Hurricane 2 SoC by adding general
machine binding, clock binding, SoC DTS include file and a DTS for the
Ubiquiti Networks UniFi Switch 8
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Merge tag 'arm-soc/for-4.15/devicetree' of http://github.com/Broadcom/stblinux into next/dt
Pull "Broadcom devicetree changes for 4.15" from Florian Fainelli:
This pull request contains Broadcom ARM-based Device Tree changes for 4.15,
please pull the following:
- Eric adds support for the CLCD and PWM controller on Cygnus chis
- Loic fixes the console path on the Raspberry Pi 3 (already submitted as
fixes) and then proceeds with enabling the BCM43438 bluetooth chip on
the Raspberry Pi 3
- Rafal specifies the USB ports on the Luxul XWR-1200
- Dan adds support for the Luxul ABR-4500 based on BCM47094, the Luxul XAP-810
and XAP-1440 both based on BCM53573
- Florian adds support for the Broadcom Hurricane 2 SoC by adding general
machine binding, clock binding, SoC DTS include file and a DTS for the
Ubiquiti Networks UniFi Switch 8
* tag 'arm-soc/for-4.15/devicetree' of http://github.com/Broadcom/stblinux:
ARM: dts: Hurricane 2: Add basic support for Ubiquiti UniFi Switch 8
dt-bindings: Add Ubiquiti Networks vendor prefix
ARM: dts: Add Broadcom Hurricane 2 DTS include file
dt-bindings: Document Broadcom Hurricane 2 clocks
dt-bindings: Add documentation for Broadcom Hurricane 2 SoCs
ARM: dts: BCM53573: Add DT for Luxul XAP-1440
ARM: dts: BCM53573: Add DT for Luxul XAP-810
ARM: dts: BCM5301X: Add DT for Luxul ABR-4500
ARM: dts: BCM5301X: Add DT for Luxul XBR-4500
ARM: dts: BCM5301X: Specify USB ports for USB LED of Luxul XWR-1200
ARM: dts: bcm2837-rpi-3-b: Add bcm43438 serial slave
ARM: dts: bcm283x: Fix console path on RPi3
ARM: dts: cygnus: Add the PWM node
ARM: dts: cygnus: Add the CLCD controller
This contains the addition of a clock alias which will be used to fix
the implementation of the SOR1 clock.
Also included are the bindings for the Tegra186 BPMP thermal driver, a
prerequisite for both the driver and device tree changes.
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Merge tag 'tegra-for-4.15-dt-bindings' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/dt
Pull "dt-bindings: Updates for v4.15-rc1" from Thierry Reding:
This contains the addition of a clock alias which will be used to fix
the implementation of the SOR1 clock.
Also included are the bindings for the Tegra186 BPMP thermal driver, a
prerequisite for both the driver and device tree changes.
* tag 'tegra-for-4.15-dt-bindings' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
dt-bindings: Add bindings for nvidia,tegra186-bpmp-thermal
dt-bindings: clock: tegra: Add sor1_out clock
Change the comptiable for support of multi-platform
Make compatible explicit, as MMC host of mt8173 has difference with
mt8135(mt8173 supports hs400 and hs400_tune),so that need separate
mt8173/mt8135 compatible name.
Add description for reg
Add description for source_cg
Add description for mediatek,latch-ck
Note that source_cg and mediatek,latch-ck are optional for some projects,
eg, MT2701 do not have source_cg, and MT2712 do not need
mediatek,latch-ck
Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The most notable changes are:
- Conversion to the last SoC (A10, A20) to the new clock framework
- HDMI and dual pipeline support for the A10, A20 and A31 DRM driver
- Support for the various power supplies on a number of boards
- Fix of DTC warnings on a number of SoCs, but most of them still need
some work
- New boards: A20-OLinuXino-MICRO-eMMC, TBS A711, Banana Pi M2 Berry,
Banana Pi M2 Ultra
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Merge tag 'sunxi-dt-for-4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/dt
Pull "Allwinner DT changes for 4.15" from Maxime Ripard:
The most notable changes are:
- Conversion to the last SoC (A10, A20) to the new clock framework
- HDMI and dual pipeline support for the A10, A20 and A31 DRM driver
- Support for the various power supplies on a number of boards
- Fix of DTC warnings on a number of SoCs, but most of them still need
some work
- New boards: A20-OLinuXino-MICRO-eMMC, TBS A711, Banana Pi M2 Berry,
Banana Pi M2 Ultra
- New R40 SoC support
* tag 'sunxi-dt-for-4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: (63 commits)
ARM: sun8i: r40: enable USB host for Banana Pi M2 Ultra
ARM: sun8i: v40: add 5V regulator for Banana Pi M2 Berry
ARM: sun8i: r40: add 5V regulator for Banana Pi M2 Ultra
ARM: sun8i: r40: add USB host port nodes for R40
ARM: dts: sun4i: Enable HDMI support on some A10 devices
ARM: dts: sun7i: Enable HDMI support on some A20 devices
ARM: dts: sun7i: Add device nodes for display pipelines
ARM: dts: sun4i: Add device nodes for display pipelines
ARM: dts: sun8i: r40: add watchdog device node
ARM: dts: sun5i: reference-design-tablet: Enable AXP209 AC and battery
ARM: dts: sun9i: Change node names to remove underscores
ARM: dts: sun9i: Change node names to remove underscores
ARM: dts: sun4i: Remove underscores from nodes names
ARM: dts: sun4i: Provide default muxing for relevant controllers
ARM: dts: sun4i: Change pinctrl nodes to avoid warning
ARM: dts: sun6i: Enable HDMI support on some A31/A31s devices
ARM: dts: sun6i: Add device node for HDMI controller
ARM: dts: sun4i: Change LRADC node names to avoid warnings
ARM: dts: sun4i: Remove skeleton and memory to avoid warnings
ARM: dts: sun4i: Remove gpio-keys warnings
...
Add fallback compatibility strings for R-Car Gen 1, 2 and 3.
In the case of Renesas R-Car hardware we know that there are generations of
SoCs, f.e. Gen 1 and 2. But beyond that its not clear what the relationship
between IP blocks might be. For example, I believe that r8a7790 is older
than r8a7791 but that doesn't imply that the latter is a descendant of the
former or vice versa.
We can, however, by examining the documentation and behaviour of the
hardware at run-time observe that the current driver implementation appears
to be compatible with the IP blocks on SoCs within a given generation.
For the above reasons and convenience when enabling new SoCs a
per-generation fallback compatibility string scheme is being adopted for
drivers for Renesas SoCs.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Provide an example of the usage of the DT bindings for TMIO
in their documentation. The example given is for the r8a7790 (R-Car H2).
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Some boards may have to use a certain driver type (or drive strength) to
achieve stable eMMC communication. Describe a binding to set this up via
DT.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This documents the devicetree bindings for the SDIO/MMC host found in
Amlogic Meson8 and Meson8b SoCs. It supports the SD specification v2.0
and the eMMC specification v4.41.
It has an internal "mux" which allows connecting up to three MMC devices
to it. The maximum supported bus-width is 4-bits.
Amlogic's GPL kernel sources call it "SDIO" to differentiate it from the
other MMC controller in (at least the Meson8 and Meson8b) the SoCs (they
call the other one "SDHC", which supports a bus-width of up to 8-bits).
Signed-off-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The delay circuit used to support HS400 is calibrated based on two
additional clocks. When these clocks are not available and
FF_CLK_SW_RST_DIS is not set in CORE_HC_MODE, reset might fail. But on
some platforms this doesn't work properly and below dump can be seen in
the kernel log.
mmc0: Reset 0x1 never completed.
mmc0: sdhci: ============ SDHCI REGISTER DUMP ===========
mmc0: sdhci: Sys addr: 0x00000000 | Version: 0x00001102
mmc0: sdhci: Blk size: 0x00004000 | Blk cnt: 0x00000000
mmc0: sdhci: Argument: 0x00000000 | Trn mode: 0x00000000
mmc0: sdhci: Present: 0x01f80000 | Host ctl: 0x00000000
mmc0: sdhci: Power: 0x00000000 | Blk gap: 0x00000000
mmc0: sdhci: Wake-up: 0x00000000 | Clock: 0x00000002
mmc0: sdhci: Timeout: 0x00000000 | Int stat: 0x00000000
mmc0: sdhci: Int enab: 0x00000000 | Sig enab: 0x00000000
mmc0: sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000
mmc0: sdhci: Caps: 0x742dc8b2 | Caps_1: 0x00008007
mmc0: sdhci: Cmd: 0x00000000 | Max curr: 0x00000000
mmc0: sdhci: Resp[0]: 0x00000000 | Resp[1]: 0x00000000
mmc0: sdhci: Resp[2]: 0x00000000 | Resp[3]: 0x00000000
mmc0: sdhci: Host ctl2: 0x00000000
mmc0: sdhci: ============================================
Add support for the additional calibration clocks to allow these
platforms to be configured appropriately.
Cc: Venkat Gopalakrishnan <venkatg@codeaurora.org>
Cc: Ritesh Harjani <riteshh@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Jeremy McNicoll <jeremymc@redhat.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
- add SMP support to Meson8/8b
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Merge tag 'amlogic-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/soc
Pull "Amlogic SoC updates for v4.15" from Kevin Hilman:
- add SMP support to Meson8/8b
* tag 'amlogic-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
ARM: meson: enable MESON_IRQ_GPIO in Kconfig for meson8b
ARM: meson: Add SMP bringup code for Meson8 and Meson8b
ARM: smp_scu: allow the platform code to read the SCU CPU status
ARM: smp_scu: add a helper for powering on a specific CPU
dt-bindings: Amlogic: Add Meson8 and Meson8b SMP related documentation
A bunch of patches for the sunxi documentation and mach-sunxi. The most
notable feature is the introduction of the R40 support.
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Merge tag 'sunxi-core-for-4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/soc
Pull "Allwinner core changes for 4.15" from Maxime Ripard:
A bunch of patches for the sunxi documentation and mach-sunxi. The most
notable feature is the introduction of the R40 support.
* tag 'sunxi-core-for-4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
ARM: sunxi: add support for R40 SoC
ARM: sunxi: fix the core number of V3s in sunxi README
dt-bindings: add compatible string for Allwinner V3s SoC
The current i2c-gpio DT bindings use a single unnamed "gpios" property
to refer to the SDA and SCL signal lines by index. This is error-prone
for the casual DT writer and reviewer, as one has to look up the order
in the DT bindings.
Fix this by amending the DT bindings to use two separate named gpios
properties, and deprecate the old unnamed variant.
Take this opportunity to clearly deprecate the "i2c-gpio,sda-open-drain"
and "i2c-gpio,scl-open-drain" flags as well. The commit describes
in detail what these flags actually mean, and why they should not be
used in new device trees.
Cc: devicetree@vger.kernel.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
[Augmented to what I and Rob would like]
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This moves the GPIO fan bindings to the hwmon bindings. The GPIO
fan is a hwmon class hardware, not related to GPIO other than being
a consumer of GPIOs.
Cc: devicetree@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add new device tree bindings document for max1619 device
including a new compatible string.
Signed-off-by: Alan Tull <atull@kernel.org>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
After finding out there are active users of this sensor I noticed:
- It has a single PXA27x board file using the platform data
- The platform data is only used to carry two GPIO pins, all other
fields are unused
- The driver does not use GPIO descriptors but the legacy GPIO
API
I saw we can swiftly fix this by:
- Killing off the platform data entirely
- Define a GPIO descriptor lookup table in the board file
- Use the standard devm_gpiod_get() to grab the GPIO descriptors
from either the device tree or the board file table.
This compiles, but needs testing.
Cc: arm@kernel.org
Cc: Marco Franchi <marco.franchi@nxp.com>
Cc: Davide Hug <d@videhug.ch>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Marco Franchi <marco.franchi@nxp.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add Everspin mr25h128 16KB MRAM to the list of supported chips.
Signed-off-by: Philipp Puschmann <pp@emlix.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
With this patch we add documentation for:
* power-management-unit: the PMU is used to bring up the cores during
SMP operations
* sram: among other things the sram is used to store the first code
executed by the core when it is powered up
* cpu-enable-method: the CPU enable method used by Amlogic Meson8 and
Meson8b SoCs
Signed-off-by: Carlo Caione <carlo@endlessm.com>
[also add Meson8 to the documentation]
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
[khilman: minor whitespace fixups]
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This is very similar to the Macvlan VEPA mode, however, there is some
difference. IPvlan uses the mac-address of the lower device, so the VEPA
mode has implications of ICMP-redirects for packets destined for its
immediate neighbors sharing same master since the packets will have same
source and dest mac. The external switch/router will send redirect msg.
Having said that, this will be useful tool in terms of debugging
since IPvlan will not switch packets within its slaves and rely completely
on the external entity as intended in 802.1Qbg.
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
IPvlan has always operated in bridge mode. However there are scenarios
where each slave should be able to talk through the master device but
not necessarily across each other. Think of an environment where each
of a namespace is a private and independant customer. In this scenario
the machine which is hosting these namespaces neither want to tell who
their neighbor is nor the individual namespaces care to talk to neighbor
on short-circuited network path.
This patch implements the mode that is very similar to the 'private' mode
in macvlan where individual slaves can send and receive traffic through
the master device, just that they can not talk among slave devices.
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds device tree documentation for the sbs-manager
Signed-off-by: Karl-Heinz Schneider <karl-heinz@schneider-inet.de>
Signed-off-by: Phil Reid <preid@electromag.com.au>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit adds of_i2c_setup_smbus_alert which allows the smbalert
driver to be attached to an i2c adapter via the device tree.
Signed-off-by: Phil Reid <preid@electromag.com.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Now that drm/msm is converted over to use msm_get_clk() everywhere (that
matters), which handles falling back to looking for a clock with the
"_clk" suffix, we can remove "_clk" from the documentation so that new
dts files added do not include "_clk" in the name.
Previously we were doing this for the more recently upstreamed bindings
but not for (nearly) all.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
This documents the binding for the Tegra CEC module.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The binding file for imx274 CMOS sensor V4l2 driver
Signed-off-by: Leon Luo <leonl@leopardimaging.com>
Acked-by: Sören Brinkmann <soren.brinkmann@xilinx.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
*) Add support in phy core to perform phy calibration
*) Return NULL for optional PHY's even if CONFIG_GENERIC_PHY is not selected
*) Add USB Phy driver for Broadcom STB SoCs
*) Add support to force mediatek PHY with USB OTG function to enter
a specific mode
*) Calibrate rockchip-typec PHY according to docs
*) Enable dual route feature for sun4i-usb in V3s SoC
*) Use dr_mode dt property to enable otg capability in rcar-gen3-usb2
*) Add driver data to specify dedicated otg pins in rcar-gen3-usb2 driver
*) Configure the RX equalizer of brcm-sata PHY
*) Update pcie phy settings for ti-pipe3 phy
*) Add set_mode callback in qcom-ufs-qmp-14nm phy
*) Use PHY callbacks in phy-qcom-ufs instead of export APIs
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.15_v1' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next
Kishon writes:
phy: for 4.15
*) Add support in phy core to perform phy calibration
*) Return NULL for optional PHY's even if CONFIG_GENERIC_PHY is not selected
*) Add USB Phy driver for Broadcom STB SoCs
*) Add support to force mediatek PHY with USB OTG function to enter
a specific mode
*) Calibrate rockchip-typec PHY according to docs
*) Enable dual route feature for sun4i-usb in V3s SoC
*) Use dr_mode dt property to enable otg capability in rcar-gen3-usb2
*) Add driver data to specify dedicated otg pins in rcar-gen3-usb2 driver
*) Configure the RX equalizer of brcm-sata PHY
*) Update pcie phy settings for ti-pipe3 phy
*) Add set_mode callback in qcom-ufs-qmp-14nm phy
*) Use PHY callbacks in phy-qcom-ufs instead of export APIs
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
New device support
* ti-dac082s085 dac
- new driver supporting 8, 10 and 12 bit TI DACs with 2 and 4 channels:
DAC082S085, DAC102S085, DAC122S085, DAC104s085 and DAC124S085.
Minor features and cleanps
* adc12138
- make array ch_to_mux static for small object code size reduction.
* sun4i-gpadc
- use of_device_get_match_data rather than opencoding it.
* stm32 trigger
- add tim15 tigger on STM32H7
- check clock rate to avoid potential division by zero
* tsl2x7x staging cleanups.
- move *_thresh_period to being created by IIO core.
- remove unused tsl2x7x_parse_result structure.
- sort includes
- drop a repeat iio_dev forward definition
- fix some code alignment of defines.
- use IIO_CONST_ATTR for constant string attribute
- drop some unnecessary parentheses
- fix various alignment with parenthese
- rename power defines for readability reasons
- fix a missaligned break statement
- Tidy up function definitions so they fit on a single line.
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Merge tag 'iio-for-4.15c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Third set of new device support, cleanups and features for IIO in the 4.15 cycle
New device support
* ti-dac082s085 dac
- new driver supporting 8, 10 and 12 bit TI DACs with 2 and 4 channels:
DAC082S085, DAC102S085, DAC122S085, DAC104s085 and DAC124S085.
Minor features and cleanps
* adc12138
- make array ch_to_mux static for small object code size reduction.
* sun4i-gpadc
- use of_device_get_match_data rather than opencoding it.
* stm32 trigger
- add tim15 tigger on STM32H7
- check clock rate to avoid potential division by zero
* tsl2x7x staging cleanups.
- move *_thresh_period to being created by IIO core.
- remove unused tsl2x7x_parse_result structure.
- sort includes
- drop a repeat iio_dev forward definition
- fix some code alignment of defines.
- use IIO_CONST_ATTR for constant string attribute
- drop some unnecessary parentheses
- fix various alignment with parenthese
- rename power defines for readability reasons
- fix a missaligned break statement
- Tidy up function definitions so they fit on a single line.
The basic cpu stat is currently shown with "cpu." prefix in
cgroup.stat, and the same information is duplicated in cpu.stat when
cpu controller is enabled. This is ugly and not very scalable as we
want to expand the coverage of stat information which is always
available.
This patch makes cgroup core always create "cpu.stat" file and show
the basic cpu stat there and calls the cpu controller to show the
extra stats when enabled. This ensures that the same information
isn't presented in multiple places and makes future expansion of basic
stats easier.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Improve the binding example by removing the leading 0 from '@08' notation,
which fixes the following build warnings:
Warning (unit_address_format): Node /pfuze100@08 unit name should not have leading 0s
Warning (unit_address_format): Node /pfuze200@08 unit name should not have leading 0s
Warning (unit_address_format): Node /pfuze3000@08 unit name should not have leading 0s
Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Improve the binding example by removing the leading 0 from '@0a' notation,
which fixes the following build warning:
Warning (unit_address_format): Node /sgtl5000@0a unit name should not have leading 0s
Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Define a compatible string for MeLE V9 Media Player.
Cc: meleservice@mele.cn
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
MeLE is a Chinese manufacturer of TV boxes and Mini PCs.
Cc: meleservice@mele.cn
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
The 3000 series have a new protocol which allows to report up to 5 points
in a single 66 byte frame. One must always read in 66 byte frames.
To support up to 10 points, two consecutive frames need to be read:
The first frame says how many points until sync.
The second frame must say zero points or both frames must be discarded.
To be able to work with the higher 400KHz I2C bus rate, one must
successfully send a special package prior _each_ read or the controller
will refuse to cooperate.
This is a minimal implementation based on egalax_i2c.c (which can be found
on the internet) and egalax_ts.c but without the vendor interface and no
power management support.
Signed-off-by: Ahmet Inan <inan@distec.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Add device-tree binding for MediaTek SoC based RTC
Cc: devicetree@vger.kernel.org
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Johan Hovold reported a heavy performance regression caused by lockdep
cross-release:
> Boot time (from "Linux version" to login prompt) had in fact doubled
> since 4.13 where it took 17 seconds (with my current config) compared to
> the 35 seconds I now see with 4.14-rc4.
>
> I quick bisect pointed to lockdep and specifically the following commit:
>
> 28a903f63e ("locking/lockdep: Handle non(or multi)-acquisition
> of a crosslock")
>
> which I've verified is the commit which doubled the boot time (compared
> to 28a903f63ec0^) (added by lockdep crossrelease series [1]).
Currently cross-release performs unwind on every acquisition, but that
is very expensive.
This patch makes unwind optional and disables it by default and only
records acquire_ip.
Full stack traces are sometimes required for full analysis, in which
case a boot paramter, crossrelease_fullstack, can be specified.
On my qemu Ubuntu machine (x86_64, 4 cores, 512M), the regression was
fixed. We measure boot times with 'perf stat --null --repeat 10 $QEMU',
where $QEMU launches a kernel with init=/bin/true:
1. No lockdep enabled:
Performance counter stats for 'qemu_booting_time.sh bzImage' (10 runs):
2.756558155 seconds time elapsed ( +- 0.09% )
2. Lockdep enabled:
Performance counter stats for 'qemu_booting_time.sh bzImage' (10 runs):
2.968710420 seconds time elapsed ( +- 0.12% )
3. Lockdep enabled + cross-release enabled:
Performance counter stats for 'qemu_booting_time.sh bzImage' (10 runs):
3.153839636 seconds time elapsed ( +- 0.31% )
4. Lockdep enabled + cross-release enabled + this patch applied:
Performance counter stats for 'qemu_booting_time.sh bzImage' (10 runs):
2.963669551 seconds time elapsed ( +- 0.11% )
I.e. lockdep cross-release performance is now indistinguishable from
vanilla lockdep.
Bisected-by: Johan Hovold <johan@kernel.org>
Analyzed-by: Thomas Gleixner <tglx@linutronix.de>
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Reported-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Byungchul Park <byungchul.park@lge.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: amir73il@gmail.com
Cc: axboe@kernel.dk
Cc: darrick.wong@oracle.com
Cc: david@fromorbit.com
Cc: hch@infradead.org
Cc: idryomov@gmail.com
Cc: johannes.berg@intel.com
Cc: kernel-team@lge.com
Cc: linux-block@vger.kernel.org
Cc: linux-fsdevel@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: linux-xfs@vger.kernel.org
Cc: oleg@redhat.com
Cc: tj@kernel.org
Link: http://lkml.kernel.org/r/1508921765-15396-5-git-send-email-byungchul.park@lge.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
- Add support for the new R-Car V3M SoC,
- Small fixes and cleanups.
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Merge tag 'clk-renesas-for-v4.15-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-next
Pull Renesas clk driver updates from Geert Uytterhoeven:
- Add support for the new R-Car V3M SoC,
- Small fixes and cleanups.
* tag 'clk-renesas-for-v4.15-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers:
clk: renesas: rcar-gen2: Delete error message for failed memory allocation
clk: renesas: mstp: Delete error messages for failed memory allocations
clk: renesas: cpg-mssr: Add R8A77970 support
dt-bindings: clock: Add R8A77970 CPG core clock definitions
For several reasons, it is desirable to use {READ,WRITE}_ONCE() in
preference to ACCESS_ONCE(), and new code is expected to use one of the
former. So far, there's been no reason to change most existing uses of
ACCESS_ONCE(), as these aren't currently harmful.
However, for some features it is necessary to instrument reads and
writes separately, which is not possible with ACCESS_ONCE(). This
distinction is critical to correct operation.
It's possible to transform the bulk of kernel code using the Coccinelle
script below. However, this doesn't handle documentation, leaving
references to ACCESS_ONCE() instances which have been removed. As a
preparatory step, this patch converts the filesystems documentation to
use {READ,WRITE}_ONCE() consistently.
----
virtual patch
@ depends on patch @
expression E1, E2;
@@
- ACCESS_ONCE(E1) = E2
+ WRITE_ONCE(E1, E2)
@ depends on patch @
expression E;
@@
- ACCESS_ONCE(E)
+ READ_ONCE(E)
----
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: davem@davemloft.net
Cc: linux-arch@vger.kernel.org
Cc: mpe@ellerman.id.au
Cc: shuah@kernel.org
Cc: snitzer@redhat.com
Cc: thor.thayer@linux.intel.com
Cc: tj@kernel.org
Cc: viro@zeniv.linux.org.uk
Link: http://lkml.kernel.org/r/1508792849-3115-14-git-send-email-paulmck@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Add "mediatak,mt2712-nor" and "mediatek,mt7622-nor"
for nor flash node's compatible strings.
Explicate the fallback compatible.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guochun Mao <guochun.mao@mediatek.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
Add a HiSilicon STB SoC PCIe controller driver. This controller is based
on the DesignWare PCIe core.
Signed-off-by: Jianguo Sun <sunjianguo1@huawei.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Support was added based on Goodix GitHub repo [1]. There are two major
differences between gt1151 and currently supported devices (gt9x):
* CONFIG_DATA register has 0x8050 address instead of 0x8047,
* config data checksum has 16-bit width instead of 8-bit.
Also update goodix_i2c_test() function, so it reads ID register (which
has the same address for all devices) instead of CONFIG_DATA (because
its address is known only after reading ID of the device).
[1] https://github.com/goodix/gt1x_driver_generic
Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Merge in ARM PMU and perf updates for 4.15:
- Support for the Statistical Profiling Extension
- Support for Hisilicon's SoC PMU
Signed-off-by: Will Deacon <will.deacon@arm.com>
This patch adds the binding documentation for Spreadtrum SC9860 DMA
controller device.
Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
The special value of 0 for device resume latency PM QoS means
"no restriction", but there are two problems with that.
First, device resume latency PM QoS requests with 0 as the
value are always put in front of requests with positive
values in the priority lists used internally by the PM QoS
framework, causing 0 to be chosen as an effective constraint
value. However, that 0 is then interpreted as "no restriction"
effectively overriding the other requests with specific
restrictions which is incorrect.
Second, the users of device resume latency PM QoS have no
way to specify that *any* resume latency at all should be
avoided, which is an artificial limitation in general.
To address these issues, modify device resume latency PM QoS to
use S32_MAX as the "no constraint" value and 0 as the "no
latency at all" one and rework its users (the cpuidle menu
governor, the genpd QoS governor and the runtime PM framework)
to follow these changes.
Also add a special "n/a" value to the corresponding user space I/F
to allow user space to indicate that it cannot accept any resume
latencies at all for the given device.
Fixes: 85dc0b8a40 (PM / QoS: Make it possible to expose PM QoS latency constraints)
Link: https://bugzilla.kernel.org/show_bug.cgi?id=197323
Reported-by: Reinette Chatre <reinette.chatre@intel.com>
Tested-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Alex Shi <alex.shi@linaro.org>
Cc: All applicable <stable@vger.kernel.org>
Not much going on this time around. With only 51 non-merge commits,
this was one of the smallest pull requests from the Gadget tree.
Most of the changes are in the mtu3 driver which added support for
36-bit DMA, support for USB 3.1 and support for dual-role (along with
some non-critical fixes).
The dwc2 driver got a few improvements to how we handle gadget state
tracking and also added support for STM32F7xx devices.
Other than that, we just some minor non-critical fixes and
improvements all over the place.
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Merge tag 'usb-for-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: changes for v4.15 merge window
Not much going on this time around. With only 51 non-merge commits,
this was one of the smallest pull requests from the Gadget tree.
Most of the changes are in the mtu3 driver which added support for
36-bit DMA, support for USB 3.1 and support for dual-role (along with
some non-critical fixes).
The dwc2 driver got a few improvements to how we handle gadget state
tracking and also added support for STM32F7xx devices.
Other than that, we just some minor non-critical fixes and
improvements all over the place.
lockless_dereference() is a nice idea, but it gained little traction in
kernel code since its introduction three years ago. This is partly
because it's a pain to type, but also because using READ_ONCE() instead
has worked correctly on all architectures apart from Alpha, which is a
fully supported but somewhat niche architecture these days.
Now that READ_ONCE() has been upgraded to contain an implicit
smp_read_barrier_depends() and the few callers of lockless_dereference()
have been converted, we can remove lockless_dereference() altogether.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1508840570-22169-5-git-send-email-will.deacon@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Final drm-misc feature pull for 4.15:
UAPI Changes:
- new madvise ioctl for vc4 (Boris)
Core Changes:
- plane commit tracking fixes (Maarten)
- vgaarb improvements for fancy new platforms (aka ppc64 and arm64) by
Bjorn Helgaas
Driver Changes:
- pile of new panel drivers: Toshiba LT089AC19000, Innolux AT043TN24
- more sun4i work to support A10/A20 Tcon and hdmi outputs
- vc4: fix sleep in irq handler by making it threaded (Eric)
- udl probe/edid read fixes (Robert Tarasov)
And a bunch of misc small cleanups/refactors and doc fixes all over.
* tag 'drm-misc-next-2017-10-20' of git://anongit.freedesktop.org/drm/drm-misc: (32 commits)
drm/vc4: Fix sleeps during the IRQ handler for DSI transactions.
drm/vc4: Add the DRM_IOCTL_VC4_GEM_MADVISE ioctl
drm/panel: simple: add Toshiba LT089AC19000
dma-fence: remove duplicate word in comment
drm/panel: simple: add delays for Innolux AT043TN24
drm/panel: simple: add bus flags for Innolux AT043TN24
drm/panel: simple: fix vertical timings for Innolux AT043TN24
drm/atomic-helper: check that drivers call drm_crtc_vblank_off
drm: some KMS todo ideas
vgaarb: Factor out EFI and fallback default device selection
vgaarb: Select a default VGA device even if there's no legacy VGA
drm/bridge: adv7511: Fix a use after free
drm/sun4i: Add support for A20 display pipeline components
drm/sun4i: Add support for A10 display pipeline components
drm/sun4i: hdmi: Support HDMI controller on A10
drm/sun4i: tcon: Add support for A10 TCON
drm/sun4i: backend: Support output muxing
drm/sun4i: tcon: Move out the tcon0 common setup
drm/sun4i: tcon: Don't rely on encoders to set the TCON mode
drm/sun4i: tcon: Don't rely on encoders to enable the TCON
...
This contains a bit of cleanup and some minor fixes for the host1x and
Tegra DRM drivers. There's also some more preparatory work for Tegra186
support which I'm not quite ready to send upstream because the GPIO
driver needed for HDMI support has been stuck for months, and we can't
do much without it. Hopefully that driver will land in v4.15, which
would mean we could go ahead with Tegra186 display support in v4.16.
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Merge tag 'drm/tegra/for-4.15-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
drm/tegra: Changes for v4.15-rc1
This contains a bit of cleanup and some minor fixes for the host1x and
Tegra DRM drivers. There's also some more preparatory work for Tegra186
support which I'm not quite ready to send upstream because the GPIO
driver needed for HDMI support has been stuck for months, and we can't
do much without it. Hopefully that driver will land in v4.15, which
would mean we could go ahead with Tegra186 display support in v4.16.
* tag 'drm/tegra/for-4.15-rc1' of git://anongit.freedesktop.org/tegra/linux: (21 commits)
drm/tegra: hdmi: Add cec-notifier support
drm/tegra: dc: Perform a complete reset sequence
drm/tegra: dc: Make sure to set the module clock rate
drm/tegra: dc: Simplify atomic plane helper functions
drm/tegra: dc: Move some declarations to dc.h
drm/tegra: vic: Use of_device_get_match_data()
drm/tegra: sor: Use of_device_get_match_data()
drm/tegra: hdmi: Use of_device_get_match_data()
drm/tegra: dc: Use of_device_get_match_data()
drm/tegra: Use u64_to_user_ptr helper
gpu: host1x: Fix incorrect comment for channel_request
gpu: host1x: Disassemble more instructions
gpu: host1x: Improve debug disassembly formatting
gpu: host1x: Enable gather filter
gpu: host1x: Enable Tegra186 syncpoint protection
gpu: host1x: Call of_dma_configure() after setting bus
drm/tegra: Add Tegra186 support for VIC
gpu: host1x: Add Tegra186 support
dt-bindings: host1x: Add Tegra186 information
gpu: host1x: syncpt: Request syncpoints per client
...
It does several fixes:
1. move the displaced ld example to its reasonable place.
2. add new example for command gzip.
3. fix 2 number errors.
4. fix format of chapter 7.x, make it looks the same as other chapters.
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Merge tag 'v4.14-rc6' into next
Merge with mainline to bring in the timer API changes.
The kernel enforcement statement commit had my Acked-by: but missed my
name in the document signatures.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We want the driver fixes in here and this resolves a merge issue with
the binder driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds device tree bindings for sata port phy parameters
in the ahci-ceva.txt file.
Signed-off-by: Anurag Kumar Vulisha <anuragku@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Here are a small number of patches to resolve some reported IIO and a
staging driver problem. Nothing major here, full details are in the
shortlog below.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO fixes from Greg KH:
"Here are a small number of patches to resolve some reported IIO and a
staging driver problem. Nothing major here, full details are in the
shortlog below.
All have been in linux-next with no reported issues"
* tag 'staging-4.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: bcm2835-audio: Fix memory corruption
iio: adc: at91-sama5d2_adc: fix probe error on missing trigger property
iio: adc: dln2-adc: fix build error
iio: dummy: events: Add missing break
staging: iio: ade7759: fix signed extension bug on shift of a u8
iio: pressure: zpa2326: Remove always-true check which confuses gcc
iio: proximity: as3935: noise detection + threshold changes
Remove dummy clocks for usb wakeup and add optional ones for
MCU_BUS_CK and DMA_BUS_CK.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This GPIO controller is used on UniPhier SoC family.
The vendor specific property "socionext,interrupt-ranges" is for
specifying interrupt mapping to the parent interrupt controller
because the mapping is not contiguous. It works like "ranges",
but transforms "interrupts" instead of "reg".
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Correct spelling error.
Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Ever since it became possible to compile the SCSI core code as a module,
the documentation describing the module parameters has been incorrect.
Update the documentation to add a "scsi_mod." prefix to the relevant
options.
Reported-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Define two new properties: brcm,rx-aeq-mode which allows configuring the
SATA PHY RX equalizers and when "manual" is used, brcm,rx-aeq can be
used to set the exact value.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This patch adds binding for r8a77995 (R-Car D3). Since r8a77995 doesn't
have dedicated pins (ID, VBUS), this will match against the generic
fallback on R-Car D3.
For now, this driver doesn't support usb role swap for r8a77995.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Add USB PHY support for r8a7743/5 SoC. Renesas RZ/G1[ME] (R8A7743/5)
USB PHY is identical to the R-Car Gen2 family.
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
There were quite a few overlapping sets of changes here.
Daniel's bug fix for off-by-ones in the new BPF branch instructions,
along with the added allowances for "data_end > ptr + x" forms
collided with the metadata additions.
Along with those three changes came veritifer test cases, which in
their final form I tried to group together properly. If I had just
trimmed GIT's conflict tags as-is, this would have split up the
meta tests unnecessarily.
In the socketmap code, a set of preemption disabling changes
overlapped with the rename of bpf_compute_data_end() to
bpf_compute_data_pointers().
Changes were made to the mv88e6060.c driver set addr method
which got removed in net-next.
The hyperv transport socket layer had a locking change in 'net'
which overlapped with a change of socket state macro usage
in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull irq fixes from Thomas Gleixner:
"A set of small fixes mostly in the irq drivers area:
- Make the tango irq chip work correctly, which requires a new
function in the generiq irq chip implementation
- A set of updates to the GIC-V3 ITS driver removing a bogus BUG_ON()
and parsing the VCPU table size correctly"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: generic chip: remove irq_gc_mask_disable_reg_and_ack()
irqchip/tango: Use irq_gc_mask_disable_and_ack_set
genirq: generic chip: Add irq_gc_mask_disable_and_ack_set()
irqchip/gic-v3-its: Add missing changes to support 52bit physical address
irqchip/gic-v3-its: Fix the incorrect parsing of VCPU table size
irqchip/gic-v3-its: Fix the incorrect BUG_ON in its_init_vpe_domain()
DT: arm,gic-v3: Update the ITS size in the examples
This adds the binding for describing shared memory used to exchange file
system blocks between the RMTFS client and service. A client for this is
generally found in the modem firmware and is used for accessing
persistent storage for things such as radio calibration.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
The DACrrcS085 (rr = 08/10/12, c = 2/4) family of SPI DACs was
inherited by TI when they acquired National Semiconductor in 2011.
This driver was developed for and tested with the DAC082S085 built into
the Revolution Pi by KUNBUS, but should work with any of the other
chips as they share the same programming interface.
There is also a family of I2C DACs with just a single channel called
DACrr1C08x (rr = 08/10/12, x = 1/5). Their programming interface is
very similar and it should be possible to extend the driver for these
chips with moderate effort. Alternatively they could be integrated into
ad5446.c. (The AD5301/AD5311/AD5321 use different power-down modes but
otherwise appear to be comparable.)
Furthermore there is a family of 8-channel DACs called DACrr8S085
(rr = 08/10/12) as well as two 16-bit DACs called DAC161Sxxx
(xxx = 055/997). These are more complicated devices with support for
daisy-chaining and the ability to power down each channel separately.
They could either be handled by a separate driver or integrated into the
present driver with a larger effort.
Cc: Mathias Duckeck <m.duckeck@kunbus.de>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Eduardo was not in the correct alphabetical order, and Ivan was somehow
listed twice, so fix these sorting issues up.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is one word too many under formatting markup in one place
in device.rst, so fix it.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Example 1 is for "Sampling Rate Conversion",
sample has only 1 CPU, 1 Codec.
Thus, "codec Playback", "DAI1 Playback" route is unnecessary.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Add synchronization configuration to STM32 SAI bindings.
This patch also adds peripheral clock which is required
to access synchronization register.
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Adding a couple of names on behalf of Arm Ltd.
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johan Hedberg says:
====================
pull request: bluetooth-next 2017-10-19
Here's the first bluetooth-next pull request targeting the 4.15 kernel
release.
- Multiple fixes & improvements to the hci_bcm driver
- DT improvements, e.g. new local-bd-address property
- Fixes & improvements to ECDH usage. Private key is now generated by
the crypto subsystem.
- gcc-4.9 warning fixes
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds the DPAA QBMan support for ARM SoCs and a few minor fixes/updates.
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Merge tag 'soc-fsl-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into next/drivers
Pull "FSL/NXP ARM SoC drivers updates for 4.14" from Li Yang:
This adds the DPAA QBMan support for ARM SoCs and a few minor fixes/updates.
This pull request includes updates to the QMAN/BMAN drivers to make
them work on the arm/arm64 architectures in addition to the power
architecture and a few minor update/bug-fix to the soc/fsl drivers.
We got the Reviewed-by from Catalin on the ARM architecture side.
DPAA (Data Path Acceleration Architecture) is a set of hardware
components used on some FSL/NXP QorIQ Networking SoCs, it provides the
infrastructure to support simplified sharing of networking interfaces
and accelerators by multiple CPU cores, and the accelerators
themselves. The QMan(Queue Manager) and BMan(Buffer Manager) are
infrastructural components within the DPAA framework. They are used to
manage queues and buffers for various I/O interfaces, hardware
accelerators.
* tag 'soc-fsl-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
soc/fsl/qbman: Enable FSL_LAYERSCAPE config on ARM
soc/fsl/qbman: Add missing headers on ARM
soc/fsl/qbman: different register offsets on ARM
soc/fsl/qbman: add QMAN_REV32
soc/fsl/qbman: Rework portal mapping calls for ARM/PPC
soc/fsl/qbman: Fix ARM32 typo
soc/fsl/qbman: Drop L1_CACHE_BYTES compile time check
soc/fsl/qbman: Drop set/clear_bits usage
dt-bindings: soc/fsl: Update reserved memory binding for QBMan
soc/fsl/qbman: Use shared-dma-pool for QMan private memory allocations
soc/fsl/qbman: Use shared-dma-pool for BMan private memory allocations
soc/fsl/qbman: Add common routine for QBMan private allocations
soc/fsl/guts: Add compatible string for LS1088
soc/fsl/qman: Sleep instead of stuck hacking jiffies
- add ARC AX10x support,
merged from a separate branch that is also included in the ARC tree
- add Stratix10 support via socfpga
- unify socfpga, stm32, sunxi, and zx2967 into simple-reset driver
- add Meson GX reset level control and remove an unneeded check
- add Uniphier PXs3 and ethernet reset controls
- add MT7622 reset control dt-bindings header
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Merge tag 'reset-for-4.15' of git://git.pengutronix.de/git/pza/linux into next/drivers
Pull "Reset controller changes for v4.15" from Philipp Zabel:
- add ARC AX10x support,
merged from a separate branch that is also included in the ARC tree
- add Stratix10 support via socfpga
- unify socfpga, stm32, sunxi, and zx2967 into simple-reset driver
- add Meson GX reset level control and remove an unneeded check
- add Uniphier PXs3 and ethernet reset controls
- add MT7622 reset control dt-bindings header
* tag 'reset-for-4.15' of git://git.pengutronix.de/git/pza/linux:
reset: zx2967: use the reset-simple driver
reset: stm32: use the reset-simple driver
reset: socfpga: use the reset-simple driver
reset: sunxi: use reset-simple driver
reset: add reset-simple to unify socfpga, stm32, sunxi, and zx2967
reset: meson: remove unneeded check in meson_reset_reset
reset: meson: add level reset support for GX SoC family
reset: uniphier: add PXs3 reset data
reset: mediatek: add reset controller dt-bindings required header for MT7622 SoC
reset: socfpga: build the reset-socfpga for Stratix10 SOC
reset: uniphier: add ethernet reset control support
reset: socfpga: fix for 64-bit compilation
ARC: reset: introduce AXS10x reset driver
* Add SCM firmware APIs for download mode and secure IO service
* Add SMEM support for cached entries
* Add SMEM support for global partition, dynamic item limit, and more hosts
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Merge tag 'qcom-drivers-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers
Pull "Qualcomm ARM Based Driver Updates for v4.15" from Andy Gross:
* Add SCM firmware APIs for download mode and secure IO service
* Add SMEM support for cached entries
* Add SMEM support for global partition, dynamic item limit, and more hosts
* tag 'qcom-drivers-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
firmware: qcom: scm: Expose download-mode control
firmware: qcom: scm: Expose secure IO service
soc: qcom: smem: Increase the number of hosts
soc: qcom: smem: Support dynamic item limit
soc: qcom: smem: Support global partition
soc: qcom: smem: Read version from the smem header
soc: qcom: smem: Use le32_to_cpu for comparison
soc: qcom: smem: Support getting cached entries
soc: qcom: smem: Rename "uncached" accessors
Remove of Exynos4212 related dead code (no more support for this SoC).
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Merge tag 'samsung-drivers-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers
Pull "Samsung soc drivers changes for v4.15" from Krzysztof Kozłowski:
Remove of Exynos4212 related dead code (no more support for this SoC).
* tag 'samsung-drivers-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
soc: samsung: Remove Exynos4212 related dead code
Add basic support for R-Car V3M (R8A77970) SoC.
Sergei Shtylyov says:
* Add support for R-Car V3M (R8A77970) SoC power areas to the R-Car SYSC
driver
* Add support for identifying the R-Car V3M (R8A77970) SoC
* Add support for R-Car V3M (R8A77970) to the R-Car RST driver -- this
driver is needed for the clock driver to work
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Merge tag 'renesas-drivers-for-v4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
Pull "Renesas ARM Based SoC Drivers Updates for v4.15" from Simon Horman:
Add basic support for R-Car V3M (R8A77970) SoC.
Sergei Shtylyov says:
* Add support for R-Car V3M (R8A77970) SoC power areas to the R-Car SYSC
driver
* Add support for identifying the R-Car V3M (R8A77970) SoC
* Add support for R-Car V3M (R8A77970) to the R-Car RST driver -- this
driver is needed for the clock driver to work
* tag 'renesas-drivers-for-v4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
soc: renesas: rcar-sysc: add R8A77970 support
soc: renesas: identify R-Car V3M
soc: renesas: rcar-rst: add R8A77970 support
the following:
- Markus adds support for the Broadcom STB DDR PHY frontend which supports
dynamic firmware loading and offers the ability to respond with DRAM refresh
rates. He also adds a proper documentation binding document for that
peripheral
- Brian adds support for S2/S3/S5 system suspend/resume modes on ARM-based SoCs
which is not new but had been lingering for a long time.
- Justin adds S2/S3 system suspend/resume modes on MIPS-based SoCs which is a
bit new newer and builds on top of the ARM-based support.
- Florian adds Device Tree binding documents for both ARM and MIPS based systems
describing the necessary nodes for S2/S3/S5 on these SoCs.
(This pull request somehow missed the 4.14 merge window and is now being sent again
for 4.15 along with build fixes from Arnd).
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Merge tag 'arm-soc/for-4.15/drivers' of http://github.com/Broadcom/stblinux into next/drivers
Pull "Broadcom drivers changes for 4.15" from Florian Fainelli:
This pull requests contains Broadcom SoCs drivers updates for 4.15, please pull
the following:
- Markus adds support for the Broadcom STB DDR PHY frontend which supports
dynamic firmware loading and offers the ability to respond with DRAM refresh
rates. He also adds a proper documentation binding document for that
peripheral
- Brian adds support for S2/S3/S5 system suspend/resume modes on ARM-based SoCs
which is not new but had been lingering for a long time.
- Justin adds S2/S3 system suspend/resume modes on MIPS-based SoCs which is a
bit new newer and builds on top of the ARM-based support.
- Florian adds Device Tree binding documents for both ARM and MIPS based systems
describing the necessary nodes for S2/S3/S5 on these SoCs.
(This pull request somehow missed the 4.14 merge window and is now being sent again
for 4.15 along with build fixes from Arnd).
* tag 'arm-soc/for-4.15/drivers' of http://github.com/Broadcom/stblinux:
soc bcm: brcmstb: Add support for S2/S3/S5 suspend states (MIPS)
dt-bindings: Document MIPS Broadcom STB power management nodes
soc: bcm: brcmstb: Add support for S2/S3/S5 suspend states (ARM)
dt-bindings: ARM: brcmstb: Update Broadcom STB Power Management binding
memory: brcmstb: Add driver for DPFE
dt-bindings: Add bindings for Broadcom STB DRAM Sensors
The "Write (or store) memory barriers" bullet of the "Variety of memory
barriers" section, calls out a sequential order of stores, which is
confusing since sequential ordering is not guaranteed.
This commit therefore rewords to avoid mentioning a sequence of stores
to clarify the intent.
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
In the "general barrier pairing with implicit control depdendency"
example, the last write by CPU 1 was meant to change variable x and not
y. The example would be pretty uninteresting if no CPU ever changes x
and the variable was initialized to zero.
Signed-off-by: Scott Tsai <scottt@scottt.tw>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Correct the USB subnodes in the example, as in f7d569c1e6 ("ARM: dts:
r8a779x: Fix PCI bus dtc warnings").
1. Drop the bogus 'device_type = "pci"' properties,
2. Correct the unit addresses.
Update other bits in the example to match real use:
1. Rename the USB subnodes from "pci" to "usb",
2. Update the "phys" property.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Rob Herring <robh@kernel.org>
The current Amlogic Meson eFuse driver only supports the 64-bit SoCs
(GXBB and newer). Older SoCs cannot be supported by the same driver
because they do not use the meson secure monitor firmware to access the
hardware.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Amlogic Meson6, Meson8 and Meson8b SoCs have an efuse which contains
calibration data from the factory (for the internal temperature sensor
and some CVBS connector settings). Some manufacturers also store the MAC
address or serial number in the efuse.
This documents the devicetree bindings for the efuse on these SoCs.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This adds the necessary function for handling support on RK3368 SoCs
Signed-off-by: Romain Perier <romain.perier@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Add Audio, HSCIF, I2C, and INTC-EX pin groups on R-Car H3 ES2.0,
- Add Audio and PWM pin groups on R-Car D3,
- Add support for RZ/A1M and RZ/A1L,
- Add INTC-EX pin groups on R-Car M3-W,
- Add SDHI voltage switching on RZ/G1E,
- Make bias control and IOCTRL support more generic,
- Add suspend/resume support for R-Car Gen3,
- Small fixes and cleanups.
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Merge tag 'sh-pfc-for-v4.15-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: sh-pfc: Updates for v4.15 (take two)
- Add Audio, HSCIF, I2C, and INTC-EX pin groups on R-Car H3 ES2.0,
- Add Audio and PWM pin groups on R-Car D3,
- Add support for RZ/A1M and RZ/A1L,
- Add INTC-EX pin groups on R-Car M3-W,
- Add SDHI voltage switching on RZ/G1E,
- Make bias control and IOCTRL support more generic,
- Add suspend/resume support for R-Car Gen3,
- Small fixes and cleanups.
In the coresight CPU debug document it suggests to use 'echo' command
to set latency request to /dev/cpu_dma_latency so can disable all CPU
idle states, but in fact this doesn't work.
This is because when the command 'echo' exits, it releases the device
node's file descriptor and the kernel release function removes the QoS
constraint; finally when the command 'echo' finished there have no
constraint imposed on cpu_dma_latency.
This patch changes to use 'exec' to access '/dev/cpu_dma_latency', the
command 'exec' can avoid the file descriptor to be closed so we can
keep the constraint on cpu_dma_latency.
This patch also adds the info for reference docs for PM QoS and cpuidle
sysfs.
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Reported-by: Kim Phillips <kim.phillips@arm.com>
Suggested-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add the Tegra186-specific hypervisor-related register range
properties.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Two things:
1) Update examples to show usage of metric
2) Discuss reasoning for using such a high metric.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We are going to support boot-time switching between 4- and 5-level
paging. For KASAN it means we cannot have different KASAN_SHADOW_OFFSET
for different paging modes: the constant is passed to gcc to generate
code and cannot be changed at runtime.
This patch changes KASAN code to use 0xdffffc0000000000 as shadow offset
for both 4- and 5-level paging.
For 5-level paging it means that shadow memory region is not aligned to
PGD boundary anymore and we have to handle unaligned parts of the region
properly.
In addition, we have to exclude paravirt code from KASAN instrumentation
as we now use set_pgd() before KASAN is fully ready.
[kirill.shutemov@linux.intel.com: clenaup, changelog message]
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@suse.de>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/20170929140821.37654-4-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Remove jprobes related documentation from kprobes.txt.
Also add some migration advice for the people who are
still using jprobes.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: David S . Miller <davem@davemloft.net>
Cc: Ian McDonald <ian.mcdonald@jandi.co.nz>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E . McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vlad Yasevich <vyasevich@gmail.com>
Link: http://lkml.kernel.org/r/150724539698.5014.7300022363980503141.stgit@devbox
[ Fixes to the new documentation. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The RZ family of Renesas SoCs has several different subfamilies (RZ/A,
RZ/G, RZ/N, and RZ/T). Clarify that the renesas,rz-cpg-clocks DT
bindings and clk-rz driver apply to RZ/A1 only.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Rob Herring <robh@kernel.org>
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Merge tag 'rxrpc-next-20171018' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
David Howells says:
====================
rxrpc: Add bits for kernel services
Here are some patches that add a few things for kernel services to use:
(1) Allow service upgrade to be requested and allow the resultant actual
service ID to be obtained.
(2) Allow the RTT time of a call to be obtained.
(3) Allow a kernel service to find out if a call is still alive on a
server between transmitting a request and getting the reply.
(4) Allow data transmission to ignore signals if transmission progress is
being made in reasonable time. This is also usable by userspace by
passing MSG_WAITALL to sendmsg()[*].
[*] I'm not sure this is the right interface for this or whether a sockopt
should be used instead.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add fallback compatibility strings for R-Car Gen 1 and 2.
In the case of Renesas R-Car hardware we know that there are generations of
SoCs, f.e. Gen 1 and 2. But beyond that its not clear what the relationship
between IP blocks might be. For example, I believe that r8a7790 is older
than r8a7791 but that doesn't imply that the latter is a descendant of the
former or vice versa.
We can, however, by examining the documentation and behaviour of the
hardware at run-time observe that the current driver implementation appears
to be compatible with the IP blocks on SoCs within a given generation.
For the above reasons and convenience when enabling new SoCs a
per-generation fallback compatibility string scheme is being adopted for
drivers for Renesas SoCs.
Note that R-Car Gen2 and RZ/G1 have many compatible IP blocks. The
approach that has been consistently taken for other IP blocks is to name
common code, compatibility strings and so on after R-Car Gen2.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 764f80798b ("doc: Add RCU files to docbook-generation files")
added :external: options for RCU source files in the file
Documentation/core-api/kernel-api.rst. However, this now means nothing,
so this commit removes them.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently the kernel relies on firmware to inform it whether or not the
CPU supports HTM and as long as the kernel was built with
CONFIG_PPC_TRANSACTIONAL_MEM=y then it will allow userspace to make
use of the facility.
There may be situations where it would be advantageous for the kernel
to not allow userspace to use HTM, currently the only way to achieve
this is to recompile the kernel with CONFIG_PPC_TRANSACTIONAL_MEM=n.
This patch adds a simple commandline option so that HTM can be
disabled at boot time.
Signed-off-by: Cyril Bur <cyrilbur@gmail.com>
[mpe: Simplify to a bool, move to prom.c, put doco in the right place.
Always disable, regardless of initial state, to avoid user confusion.]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This adds DT bindings for simple mice attached to GPIO lines. As the
properties are very general and pertains to all mice I can think of, we use
very generic names for the 4-7 GPIO lines, "up", "down" etc.
Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
dts files fixed up to contain the necessary data for basic resources, we
can drop the related platform data.
Note that this branch depends on the "omap-for-v4.15/fixes-dt-signed"
branch and the patches with dependencies are based on a merge with that
branch.
These patches first ensure things keep working for the legacy "ti,hwmods"
property when we start making it optional, then adds a minimal TI sysc
interconnect target device driver to handle the new generic "ti,sysc"
compatible property. And then we can finally drop the legacy platform
data for IRQ, DMA and IO resources as seen in the diffstats.
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Merge tag 'omap-for-v4.15/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
Pull "more soc changes for omaps for v4.15 merge window" from Tony Lindgren:
Drop omap legacy platform data for IRQ, DMA and IO resources. With the
dts files fixed up to contain the necessary data for basic resources, we
can drop the related platform data.
Note that this branch depends on the "omap-for-v4.15/fixes-dt-signed"
branch and the patches with dependencies are based on a merge with that
branch.
These patches first ensure things keep working for the legacy "ti,hwmods"
property when we start making it optional, then adds a minimal TI sysc
interconnect target device driver to handle the new generic "ti,sysc"
compatible property. And then we can finally drop the legacy platform
data for IRQ, DMA and IO resources as seen in the diffstats.
* tag 'omap-for-v4.15/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (25 commits)
bus: ti-sysc: Fix unbalanced pm_runtime_enable by adding remove
bus: ti-sysc: mark PM functions as __maybe_unused
ARM: OMAP2+: omap_device: fix error return code in omap_device_copy_resources()
ARM: OMAP2+: Drop legacy struct omap_hwmod_addr_space
ARM: OMAP2+: Drop omap_hwmod_dma_info
ARM: OMAP2+: Drop omap_hwmod_irq_info
ARM: OMAP4: Remove legacy IRQ for PRM
ARM: OMAP3: Remove legacy IRQ for PRM
bus: ti-sysc: Add minimal TI sysc interconnect target driver
ARM: OMAP2+: Populate legacy resources for dma and smartreflex
ARM: OMAP2+: Parse module IO range from dts for legacy "ti,hwmods" support
ARM: dts: Configure SmartReflex only to idle the interconnect target module
ARM: dts: Add nodes for missing omap4 interconnect target modules
dt-bindings: bus: Minimal TI sysc interconnect target module binding
ARM: dts: Add missing hwmod related properties for dra7
ARM: dts: Add missing hwmod related nodes for am33xx
ARM: dts: Add missing dma hwmod property for omap5
ARM: dts: Add missing wdt3 node for omap4
ARM: dts: Add missing hsi node for omap4
ARM: dts: Add missing onewire node for omap4
...
Pull "non-urgent device tree fixes for omaps for v4.15 merge window"
from Tony Lindgren
Non-urgent device tree fixes for omaps that can all wait for v4.15
merge window.
Turns out that we have many devices working just because we have
the legacy platform data still around. This is mostly an issue
for omap4, other SoCs just have minimal fixes needed.
As many of the missing device tree nodes and properties are for
devices that have no drivers in the mainline kernel, such as
slimbus, iss, mcasp, aess, fdif and gpu, we might as well start
using the new "ti,sysc" interconnect target module binding for
them so we can get the devices with no child device drivers idled.
This also makes it possible to drop unnecessary platform data
in later patches.
* tag 'omap-for-v4.15/fixes-dt-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: Fix typo for omap4 mcasp rx path
ARM: dts: Configure SmartReflex only to idle the interconnect target module
ARM: dts: Add nodes for missing omap4 interconnect target modules
dt-bindings: bus: Minimal TI sysc interconnect target module binding
ARM: dts: Add missing hwmod related properties for dra7
ARM: dts: Add missing hwmod related nodes for am33xx
ARM: dts: Add missing dma hwmod property for omap5
ARM: dts: Add missing wdt3 node for omap4
ARM: dts: Add missing hsi node for omap4
ARM: dts: Add missing onewire node for omap4
ARM: dts: Add missing smartreflex node and binding for omap4
ARM: dts: Add missing hwmods property for omap4 dma
ARM: dts: Add missing properties for omap4 control modules
ARM: dts: Configure pmu without interrupt for omap4430
ARM: dts: Add missing dma hwmods property for omap3
Pull "Rockchip dts32 updates for 4.15 part1" from Heiko Stübner:
One new board the Vyasa from Amarula Solutions using a rk3288
and core lvds node for the newly added driver+binding.
Also bindings + nodes for the Mali-Utgard GPUs found on some
Rockchip socs like rk3036 and rk3188. With the recently revived
Lima project they can even render a red triangle to a png file.
* tag 'v4.15-rockchip-dts32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: Enable thermal on rk3288-vyasa board
ARM: dts: rockchip: fix mali400 ppmmu interrupt names
ARM: dts: rockchip: Enable mali GPU node on rk3288-vyasa
ARM: dts: rockchip: enable gpu on rk3188-radxarock
ARM: dts: rockchip: add gpu nodes on rk3066/rk3188
ARM: dts: rockchip: add rk322x gpu node
ARM: dts: rockchip: enable the gpu on rk3036-kylin boards
ARM: dts: rockchip: add rk3036 gpu node
dt-bindings: gpu: mali-utgard: add optional power-domain reference
dt-bindings: gpu: mali-utgard: add optional supply regulator
dt-bindings: gpu: mali-utgard: Add Rockchip Utgard Malis
ARM: dts: rockchip: enable vops and hdmi output on rk3288-vyasa
ARM: dts: rockchip: Add rk3288 vyasa board
dt-bindings: Add vendor prefix for Amarula Solutions
ARM: dts: rockchip: add LVDS node for rk3288
Pull "STM32 DT updates for v4.15, round 1" from Alexandre Torgue:
Highlights:
----------
-Add I2C1 support on STM32F746 SoC
-Enable I2C1 on STM32F746 eval board
-Add Timers support on STM32F746 SoC
-Add USB HS and FS supports on STM32F746 Soc
-Enable USB HS on STM32F746 disco and eval boards
-Enable USB FS en STM32F746 disco board
-Add Vrefbuf to STM32H743 SoC
-Add LPTIMERS support on STM32H743 SoC
-Add DMAMUX support on STM32H743 SoC
-Enable STM32H743 clock driver
-Add MDMA support on STM32H743 SoC
-Change pinctrl pinmux entries for all SoC.
* tag 'stm32-dt-for-v4.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32:
ARM: dts: stm32: Add MDMA support for STM32H743 SoC
ARM: dts: stm32: Enable USB FS on stm32f746-disco
ARM: dts: stm32: Add USB FS support for STM32F746 MCU
ARM: dts: stm32: Enable USB HS on stm32f746-disco
ARM: dts: stm32: Enable USB HS on stm32746g-eval
ARM: dts: stm32: Add USB HS support for STM32F746 MCU
ARM: dts: stm32: change pinctrl bindings definition
ARM: dts: stm32: Enable STM32H743 clock driver
ARM: dts: stm32: fix hse clock frequency on STM32H743 Eval board
ARM: dts: stm32: add Timers driver for stm32f746 MCU
ARM: dts: stm32: Add DMAMUX support for STM32H743 SoC
ARM: dts: stm32: Add lptimer definitions to stm32h743
ARM: dts: stm32: add vrefbuf to stm32h743
ARM: dts: stm32: Add I2C1 support for STM32F746 eval board
ARM: dts: stm32: Add I2C1 support for STM32F746 SoC
Pull "Samsung DTS ARM changes for 4.15" from Krzysztof Kozłowski:
1. Add new board: Hardkernel Odroid HC1.
2. Fix incomplete Odroid-XU3/4 thermal-zones definition leading to
possible overheat if first pair of A7+A15 cores is idle but rest of
CPUs are busy.
3. Add capacity-dmips-mhz properties for CPUs of octa-core SoCs.
4. Add power button to Odroid XU3/4.
5. Improvements in Gscaler, HDMI and Mixer blocks on Exynos5.
6. Add suspend quirk to DWC3 USB controller to fix enumeration of
SuperSpeed devices on Odroid XU4.
7. Add HDMI and MHL to Trats2.
8. Cleanups (redundant properties and nodes).
* tag 'samsung-dt-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
dt-bindings: samsung: Document binding for new Odroid HC1 board
ARM: dts: exynos: Add HDMI and Sil9234 to Trats2 board
ARM: dts: exynos: Add support for Hardkernel's Odroid HC1 board
ARM: dts: exynos: Move audio clocks configuration to odroidxu3-audio.dtsi
ARM: dts: exynos: Add dwc3 SUSPHY quirk
ARM: dts: exynos: Add status property to Exynos 542x Mixer nodes
ARM: dts: exynos: Add status property to Exynos 5250 HDMI and Mixer nodes
ARM: dts: exynos: Cleanup HDMI DCC definitions on Exynos5250 and Exynos542x boards
ARM: dts: exynos: Move HDMI PHY node from boards to exynos5250.dtsi
ARM: dts: exynos: Use specific compatibles for proper Gscaler limits on Exynos5250 and Exynos5420
ARM: dts: exynos: Remove redundant interrupt properties in gpio-keys on Odroid boards
ARM: dts: exynos: Add power button for Odroid XU3/4
ARM: dts: exynos: Remove the display-timing and delay from Rinato
ARM: dts: exynos: add exynos5422 cpu capacity-dmips-mhz information
ARM: dts: exynos: add exynos5420 cpu capacity-dmips-mhz information
ARM: dts: exynos: fix incomplete Odroid-XU3/4 thermal-zones definition
ARM64: DT: Hisilicon SoC DT updates for 4.15
- Add CoreSight related nodes for hi6220
- Add GPIO line names for hikey960
- Rectify the GPIO line names of the Poplar board to keep consistency
- Add thermal sensor binding doc and dt nodes for hi3660
* tag 'hisi-arm64-dt-for-4.15' of git://github.com/hisilicon/linux-hisi:
arm64: dts: Register Hi3660's thermal sensor
dt-bindings: Document the hi3660 thermal sensor binding
arm64: dts: hisilicon: Standardize Poplar GPIO line names
arm64: dts: hikey960: Update HiKey960 with GPIO line names
arm64: dts: hi6220: add coresight dt nodes
Pull "Renesas ARM Based SoC DT Bindings Updates for v4.15" from Simon Horman:
* Consistently do not use ';' in documentation of compat strings
for boards. A misture of using and not using a trailing ';' had
krept in over time with not using being dominant.
* Document bindings for
- Eagle board and r8a77970 (V3M) SoC bindings.
Eagle is a board for the V3M SoC
- Document Kingfisher board bindings.
Kingfisher is an extension board for the H3ULCB and M3ULCB boards.
* Add r8a77970 (V3M) SYSC power domain definitions
Add macros usable by the device tree sources to reference r8a77970 SYSC
power domains by index.
* Add Renesas SoC DT bindings doc to Renesas ARM section of MAINTAINERS file
* Drop bogus node name suffix from example of /renesas,dw-hdmi binding
* Document APMU and SMP enable method for r8a7745 (RZ/G1E) SoC
* tag 'renesas-dt-bindings-for-v4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: remove inconsistent ; from documentation
arm64: renesas: document Eagle board bindings
arm: shmobile: Document Kingfisher board DT bindings
dt-bindings: power: add R8A77970 SYSC power domain definitions
MAINTAINERS: Add Renesas SoC DT bindings doc to Renesas ARM sections
ARM: shmobile: Document R-Car V3M SoC DT bindings
dt-bindings: display: renesas: dw-hdmi: Drop bogus node name suffix
dt-bindings: apmu: Document r8a7745 support
While the new family-specific compatible values introduced by commit
6f54cc1adc ("devicetree: bindings: R-Car Gen2 CMT0 and CMT1
bindings") use the recommended order "<vendor>,<family>-<device>", the
new SoC-specific compatible values still use the old and deprecated
order "<vendor>,<device>-<soc>".
Switch the SoC-specific compatible values to the recommended order while
there are no upstream users of these compatible values yet.
Fixes: 7f03a0ecfd ("devicetree: bindings: r8a73a4 and R-Car Gen2 CMT bindings")
Fixes: 63d9e8ca0d ("devicetree: bindings: Deprecate property, update example")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Many serially-attached GPIO and IIO devices are daisy-chainable.
Examples for GPIO devices are Maxim MAX3191x and TI SN65HVS88x:
https://datasheets.maximintegrated.com/en/ds/MAX31913.pdfhttp://www.ti.com/lit/ds/symlink/sn65hvs880.pdf
Examples for IIO devices are TI DAC128S085 and TI DAC161S055:
http://www.ti.com/lit/ds/symlink/dac128s085.pdfhttp://www.ti.com/lit/ds/symlink/dac161s055.pdf
We already have drivers for daisy-chainable devices in the tree but
their devicetree bindings are somewhat inconsistent and ill-named:
The gpio-74x164.c driver uses "registers-number" to convey the
number of devices in the daisy-chain. (Sans vendor prefix,
multiple vendors sell compatible versions of this chip.)
The gpio-pisosr.c driver takes a different approach and calculates
the number of devices in the daisy-chain by dividing the common
"ngpios" property (Documentation/devicetree/bindings/gpio/gpio.txt)
by 8 (which assumes that each chip has 8 inputs).
Let's standardize on a common "#daisy-chained-devices" property.
That name was chosen because it's the term most frequently used in
datasheets. (A less frequently used synonym is "cascaded devices".)
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
SPI-attached GPIO controllers typically read out all inputs in one go.
If callers desire the values of multipe inputs, ideally a single readout
should take place to return the desired values. However the current
driver API only offers a ->get callback but no ->get_multiple (unlike
->set_multiple, which is present). Thus, to read multiple inputs, a
full readout needs to be performed for every single value (barring
driver-internal caching), which is inefficient.
In fact, the lack of a ->get_multiple callback has been bemoaned
repeatedly by the gpio subsystem maintainer:
http://www.spinics.net/lists/linux-gpio/msg10571.htmlhttp://www.spinics.net/lists/devicetree/msg121734.html
Introduce the missing callback. Add corresponding consumer functions
such as gpiod_get_array_value(). Amend linehandle_ioctl() to take
advantage of the newly added infrastructure. Update the documentation.
Cc: Rojhalat Ibrahim <imr@rtschenk.de>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Some platforms require reset to be released to allow register
access.
Signed-off-by: Alan Tull <atull@kernel.org>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
[Added DT bindings oneliner for standard reset binding]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Renesas R-Car V3M (R8A77970) SoC also has the R-Car gen3 compatible GPIO
controllers, so document the SoC specific bindings.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Doc update because significance of corporate affiliation was unclear.
Acked-by: Doug Ledford <dledford@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Richard Fontana <rfontana@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are some good comments about bitmap operations in lib/bitmap.c
and include/linux/bitmap.h, so format them for document generation and
pull them into core-api/kernel-api.rst.
I converted the "tables" of functions from using tabs to using spaces
so that they are more readable in the source file and in the generated
output.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Make refs to selftests files valid including:
- watchdog-test.c
- dnotify_test.c
Signed-off-by: Tom Saeger <tom.saeger@oracle.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Tom Saeger <tom.saeger@oracle.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
There is no Coccinelle version 1.2. 1.0.2 must be what was intended.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This patch adds documentation for the uncore PMUs on HiSilicon SoC.
Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Anurup M <anurup.m@huawei.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
In Tegra186, the BPMP (Boot and Power Management Processor) implements
an interface that is used to read system temperatures, including CPU
cluster and GPU temperatures. This binding describes the thermal sensor
that is exposed by BPMP.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit adds the device tree bindings description for Amlogic's GPIO
interrupt controller available on the meson8b, gxbb and gxl SoC families
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
The ITSes on the Hip07 (as present in the Huawei D05) are broken when
it comes to addressing the redistributors, and need to be explicitely
told to address the VLPI page instead of the redistributor base address.
So let's add yet another quirk, fixing up the target address
in the command stream.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
The Socionext Synquacer SoC's implementation of GICv3 has a so-called
'pre-ITS', which maps 32-bit writes targeted at a separate window of
size '4 << device_id_bits' onto writes to GITS_TRANSLATER with device
ID taken from bits [device_id_bits + 1:2] of the window offset.
Writes that target GITS_TRANSLATER directly are reported as originating
from device ID #0.
So add a workaround for this. Given that this breaks isolation, clear
the IRQ_DOMAIN_FLAG_MSI_REMAP flag as well.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Introduce new bindings for the Meson AXG SoC which now have
different memory layout.
Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the initialization of the generic irq chip for the BCM7271 L2
interrupt controller. This controller only supports level
interrupts and uses the "brcm,bcm7271-l2-intc" compatibility
string.
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Doug Berger <opendmb@gmail.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Document support for the Interrupt Controller for Externel Devices
(INTC-EX) in the Renesas M3-W (r8a7796), V3M (r8a77970), and D3
(r8a77995) SoCs.
No driver update is needed.
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Only exposes a single mode and not a complete display timing, as
the datasheet is rather vague about the minimum/maximum values.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171018172240.8772-1-l.stach@pengutronix.de
Provide livepatch modules a klp_object (un)patching notification
mechanism. Pre and post-(un)patch callbacks allow livepatch modules to
setup or synchronize changes that would be difficult to support in only
patched-or-unpatched code contexts.
Callbacks can be registered for target module or vmlinux klp_objects,
but each implementation is klp_object specific.
- Pre-(un)patch callbacks run before any (un)patching transition
starts.
- Post-(un)patch callbacks run once an object has been (un)patched and
the klp_patch fully transitioned to its target state.
Example use cases include modification of global data and registration
of newly available services/handlers.
See Documentation/livepatch/callbacks.txt for details and
samples/livepatch/ for examples.
Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This patch adds support for r8a7743/5 SoCs. The Renesas RZ/G1[ME]
(R8A7743/5) usbhs is identical to the R-Car Gen2 family.
No driver change is needed due to the fallback compatible value
"renesas,rcar-gen2-usbhs".
Adding the SoC-specific compatible values here has two purposes:
1. Document which SoCs have this hardware module,
2. Allow checkpatch to validate compatible values.
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Remove optional pinctrls due to using FORCE/RG_IDDIG to implement
manual switch function.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Remove dummy clocks for usb wakeup and add optional ones for
mcu_bus and dma_bus bus.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Add a new optional property to disable u3ports
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This patch adds binding documentation for DWC2 controller in HS mode found
on STMicroelectronics STM32F7xx SoC.
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This patch adds support for generic phy as an optional. If you want
to use a generic phy (e.g. phy-rcar-gen3-usb3 driver) on this driver,
you have to do "insmod phy-rcar-gen3-usb3.ko" first for now.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This patch adds support for R-Car D3. This SoC needs to release
the PLL reset by the UGCTRL register. So, since this is not the same
as other R-Car Gen3 SoCs, this patch adds a new type as
"USBHS_TYPE_RCAR_GEN3_WITH_PLL".
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
I already Acked the patch, add my name to the list as well.
Signed-off-by: Laura Abbott <laura@labbott.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add my name to the kernel enforcement statement as it is something I
support speaking on my own behalf and not a statement of my current
employer.
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adding myself to the list as I missed the window to be in the original patch.
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Olof Johansson <olof@lixom.net>
Cc: Juergen Gross <jgross@suse.com>
Cc: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Eduardo Valentin <eduval@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Implement CPU alternatives, which allows to optionally patch newer
instructions at runtime, based on CPU facilities availability.
A new kernel boot parameter "noaltinstr" disables patching.
Current implementation is derived from x86 alternatives. Although
ideal instructions padding (when altinstr is longer then oldinstr)
is added at compile time, and no oldinstr nops optimization has to be
done at runtime. Also couple of compile time sanity checks are done:
1. oldinstr and altinstr must be <= 254 bytes long,
2. oldinstr and altinstr must not have an odd length.
alternative(oldinstr, altinstr, facility);
alternative_2(oldinstr, altinstr1, facility1, altinstr2, facility2);
Both compile time and runtime padding consists of either 6/4/2 bytes nop
or a jump (brcl) + 2 bytes nop filler if padding is longer then 6 bytes.
.altinstructions and .altinstr_replacement sections are part of
__init_begin : __init_end region and are freed after initialization.
Signed-off-by: Vasily Gorbik <gor@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
For allowing user to apply the existing quirk on a machine with a
different SSID, add a new model string entry, alc700-ref.
The quirk itself was introduced in the commit b84e843644f2: "ALSA:
hda/realtek - Enable jack detection function for Intel ALC700")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This patch documents the devicetree binding in use for ARM SPE.
Cc: Rob Herring <robh@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Make AF_RXRPC accept MSG_WAITALL as a flag to sendmsg() to tell it to
ignore signals whilst loading up the message queue, provided progress is
being made in emptying the queue at the other side.
Progress is defined as the base of the transmit window having being
advanced within 2 RTT periods. If the period is exceeded with no progress,
sendmsg() will return anyway, indicating how much data has been copied, if
any.
Once the supplied buffer is entirely decanted, the sendmsg() will return.
Signed-off-by: David Howells <dhowells@redhat.com>
Provide a couple of functions to allow cleaner handling of signals in a
kernel service. They are:
(1) rxrpc_kernel_get_rtt()
This allows the kernel service to find out the RTT time for a call, so
as to better judge how large a timeout to employ.
Note, though, that whilst this returns a value in nanoseconds, the
timeouts can only actually be in jiffies.
(2) rxrpc_kernel_check_life()
This returns a number that is updated when ACKs are received from the
peer (notably including PING RESPONSE ACKs which we can elicit by
sending PING ACKs to see if the call still exists on the server).
The caller should compare the numbers of two calls to see if the call
is still alive.
These can be used to provide an extending timeout rather than returning
immediately in the case that a signal occurs that would otherwise abort an
RPC operation. The timeout would be extended if the server is still
responsive and the call is still apparently alive on the server.
For most operations this isn't that necessary - but for FS.StoreData it is:
OpenAFS writes the data to storage as it comes in without making a backup,
so if we immediately abort it when partially complete on a CTRL+C, say, we
have no idea of the state of the file after the abort.
Signed-off-by: David Howells <dhowells@redhat.com>
Provide support for a kernel service to make use of the service upgrade
facility. This involves:
(1) Pass an upgrade request flag to rxrpc_kernel_begin_call().
(2) Make rxrpc_kernel_recv_data() return the call's current service ID so
that the caller can detect service upgrade and see what the service
was upgraded to.
Signed-off-by: David Howells <dhowells@redhat.com>
This patch is aimed primarily at drivers/of/overlay.c, but those
changes also have a small impact in a few other files.
overlay.c is difficult to read and maintain. Improve readability:
- Rename functions, types and variables to better reflect what
they do and to be consistent with names in other places,
such as the device tree overlay FDT (flattened device tree),
and make the algorithms more clear
- Use the same names consistently throughout the file
- Update comments for name changes
- Fix incorrect comments
This patch is intended to not introduce any functional change.
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
* commit '3728e6a255b5': (904 commits)
Linux 4.14-rc5
x86/microcode: Do the family check first
locking/lockdep: Disable cross-release features for now
x86/mm: Flush more aggressively in lazy TLB mode
mm, swap: use page-cluster as max window of VMA based swap readahead
mm: page_vma_mapped: ensure pmd is loaded with READ_ONCE outside of lock
kmemleak: clear stale pointers from task stacks
fs/binfmt_misc.c: node could be NULL when evicting inode
fs/mpage.c: fix mpage_writepage() for pages with buffers
linux/kernel.h: add/correct kernel-doc notation
tty: fall back to N_NULL if switching to N_TTY fails during hangup
Revert "vmalloc: back off when the current task is killed"
mm/cma.c: take __GFP_NOWARN into account in cma_alloc()
scripts/kallsyms.c: ignore symbol type 'n'
userfaultfd: selftest: exercise -EEXIST only in background transfer
mm: only display online cpus of the numa node
mm: remove unnecessary WARN_ONCE in page_vma_mapped_walk().
mm/mempolicy: fix NUMA_INTERLEAVE_HIT counter
include/linux/of.h: provide of_n_{addr,size}_cells wrappers for !CONFIG_OF
mm/madvise.c: add description for MADV_WIPEONFORK and MADV_KEEPONFORK
...
R-Car V3M (R8A77970) SoC also has the R-Car gen3 compatible I2C controller,
so document the SoC specific bindings.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Add pm-domains property which is required for 66AK2Gx. Also document 66AK2G
unique clocks property usage.
Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This adds eeprom "size" as optional property for i2c eeproms.
The "size" property allows explicitly specifying the size of the
EEPROM chip in bytes.
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Divagar Mohandass <divagar.mohandass@intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Opal Kelly is a manufacturer of FPGA Integration Modules.
Signed-off-by: Tom McLeod <tom.mcleod@opalkelly.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Cadence QSPI IP has a adapted loop-back circuit which can be enabled by
setting BYPASS field to 0 in READCAPTURE register. It enables use of
QSPI return clock to latch the data rather than the internal QSPI
reference clock. For high speed operations, adapted loop-back circuit
using QSPI return clock helps to increase data valid window.
Add DT parameter cdns,rclk-en to help enable adapted loop-back circuit
for boards which do have QSPI return clock provided. Update binding
documentation for the same.
Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
Update binding documentation to add a new compatible for TI 66AK2G SoC,
to handle TI SoC specific quirks in the driver.
Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
The A20 display pipeline has 2 frontends, 2 backends, and 2 TCONs.
This patch adds support (or a compatible string in the frontend's
case) for these components.
The TCONs support directly outputting to CPU/RGB/LVDS LCD panels,
or it can output to HDMI via an on-chip HDMI controller, or
CVBS/YPbPr/VGA signals via on-chip TV encoders. These additional
encoders are not covered in this patch.
Signed-off-by: Jonathan Liu <net147@gmail.com>
[wens@csie.org: Expand commit message]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171017121807.2994-6-wens@csie.org
The A10 display pipeline has 2 frontends, 2 backends, and 2 TCONs.
This patch adds support (or a compatible string in the frontend's
case) for these components.
The TCONs support directly outputting to CPU/RGB/LVDS LCD panels,
or it can output to HDMI via an on-chip HDMI controller, or
CVBS/YPbPr/VGA signals via on-chip TV encoders. These additional
encoders are not covered in this patch.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171017121807.2994-5-wens@csie.org
The HDMI controller in the A10 SoC is the same as the one currently
supported in the A10s. It has slightly different setup parameters.
Since these parameters are not thoroughly understood, we add support
for this variant by copying these parameters verbatim.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171017121807.2994-4-wens@csie.org
The A10 has two TCONs that are similar to the ones found on other SoCs.
Like the A31, TCON0 has a register used to mux the TCON outputs to the
downstream encoders. The bit fields are slightly different.
Signed-off-by: Jonathan Liu <net147@gmail.com>
[wens@csie.org: Reworked for A10 and fixed up commit message]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171017121807.2994-3-wens@csie.org
Most devices do not support lane reordering and in many cases the
documentation of the data-lanes property is incomplete for such devices.
Document that in case the lane reordering isn't supported, monotonically
incremented values from 0 or 1 shall be used.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Port and endpoint numbering has been omitted in DT binding documentation
for a large number of devices. Also common properties the device uses have
been missed in binding documentation. Make it explicit that these things
need to be documented.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Exynos 5250 and 5420 have different hardware rotation limits.
Since we have to distinguish between these two, we add different
compatible: samsung,exynos5250-gsc and samsung,exynos5420-gsc.
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Initially each pin was declared in "include/dt-bindings/stm32<SOC>-pinfunc.h"
and each definition contained SOC names (ex: STM32F429_PA9_FUNC_USART1_TX).
Since this approach was approved, the number of supported MCU has
increased (STM32F429/STM32F469/STM32f746/STM32H743). To avoid to add a new
file in "include/dt-bindings" each time a new STM32 SOC arrives I propose
a new approach which consist to use a macro to define pin muxing in device
tree. All STM32 will use the common macro to define pinmux. Furthermore, it
will make STM32 maintenance and integration of new SOC easier .
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Reviewed-by: Vikas MANOCHA <vikas.manocha@st.com>
Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Remove outdated references to maintainer and mailing list from the
documentation - reference MAINTAINERS instead. Also update reference to
current repository of udf-tools.
Signed-off-by: Jan Kara <jack@suse.cz>
Some registers for the Exynos 4412 ISP (Camera subsystem) clocks are
located in the ISP power domain. Because those registers are also
located in a different memory region than the main clock controller,
support for them can be provided by a separate clock controller.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
- Fix unfortunate mistake in the GICv3 ITS binding example
- Two fixes for the recently merged GICv4 support
- GICv3 ITS 52bit PA fixes
- Generic irqchip mask-ack fix, and its application to the tango irqchip
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Merge tag 'irqchip-4.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip updates for 4.14-rc5 from Marc Zyngier:
- Fix unfortunate mistake in the GICv3 ITS binding example
- Two fixes for the recently merged GICv4 support
- GICv3 ITS 52bit PA fixes
- Generic irqchip mask-ack fix, and its application to the tango irqchip
The A64 is register compatible with the H3, but has a different number
of dma channels and request ports.
Attach additional properties to the node to allow future reuse of the
compatible for controllers with different number of channels/requests.
If dma-requests is not specified, the register layout defined maximum
of 32 is used.
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Document a compatible string for the PROBOX2 AVA TV Box.
Cc: support@probox2.com
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
PROBOX2 is a TV box brand by Hong Kong based online reseller W2COMP
Company Limited.
Cc: support@probox2.com
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
* ade7759
- Fix a signed extension bug.
* as3935
- The default noise and watch dog settings were such that the device
was unusuable in most applications. Add device tree parameters to
allow it to be configured to something that will actually work.
* at91-sama5d2 adc
- Fix handling of legacy device trees that don't provide the new
trigger edge property.
* dln2-adc
- Fix a missing Kconfig dependency on IIO_TRIGGERED_BUFFER.
* dummy driver
- Add a missing break so that writing in_voltage0_thresh_rising_en
doesn't always result in an error.
* zpa2326
- Drop a test for an always true condition so that gcc won't spit out
and unused variable warning.
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Merge tag 'iio-fixes-for-4.14b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
Second set of IIO fixes for the 4.14 cycle.
* ade7759
- Fix a signed extension bug.
* as3935
- The default noise and watch dog settings were such that the device
was unusuable in most applications. Add device tree parameters to
allow it to be configured to something that will actually work.
* at91-sama5d2 adc
- Fix handling of legacy device trees that don't provide the new
trigger edge property.
* dln2-adc
- Fix a missing Kconfig dependency on IIO_TRIGGERED_BUFFER.
* dummy driver
- Add a missing break so that writing in_voltage0_thresh_rising_en
doesn't always result in an error.
* zpa2326
- Drop a test for an always true condition so that gcc won't spit out
and unused variable warning.
Update documentation, pointer to latest tools, appoint myself as
maintainer. Given it's been unloved for so long, I don't expect anyone
will protest.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Chris Brandt <chris.brandt@renesas.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Add driver to support older EC firmware that only support deprecated
ec command. Rely on ACPI memory map register to access sensor
information.
Present same interface as the regular cros_ec sensor stack:
- one iio device per accelerometer
- use HTML5 axis definition
- use iio abi units
- accept calibration calls, but do nothing
Chrome can use the same code than regular cros_ec sensor stack to
calculate orientation and lid angle.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Should be in hex, not decimal or even octal
Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
IIO_DISTANCE is used for two purposes: for pedometers to record the
distance covered by a walker, and to measure the distance to an object
IIO_DISTANCE is in meters while IIO_PROXIMITY is a unitless measure
indirectly proportional to distance (higher value relates to a closer
object)
Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Rename the unwinder config options from:
CONFIG_ORC_UNWINDER
CONFIG_FRAME_POINTER_UNWINDER
CONFIG_GUESS_UNWINDER
to:
CONFIG_UNWINDER_ORC
CONFIG_UNWINDER_FRAME_POINTER
CONFIG_UNWINDER_GUESS
... in order to give them a more logical config namespace.
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/73972fc7e2762e91912c6b9584582703d6f1b8cc.1507924831.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
When the VMA based swap readahead was introduced, a new knob
/sys/kernel/mm/swap/vma_ra_max_order
was added as the max window of VMA swap readahead. This is to make it
possible to use different max window for VMA based readahead and
original physical readahead. But Minchan Kim pointed out that this will
cause a regression because setting page-cluster sysctl to zero cannot
disable swap readahead with the change.
To fix the regression, the page-cluster sysctl is used as the max window
of both the VMA based swap readahead and original physical swap
readahead. If more fine grained control is needed in the future, more
knobs can be added as the subordinate knobs of the page-cluster sysctl.
The vma_ra_max_order knob is deleted. Because the knob was introduced
in v4.14-rc1, and this patch is targeting being merged before v4.14
releasing, there should be no existing users of this newly added ABI.
Link: http://lkml.kernel.org/r/20171011070847.16003-1-ying.huang@intel.com
Fixes: ec560175c0 ("mm, swap: VMA based swap readahead")
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Reported-by: Minchan Kim <minchan@kernel.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Shaohua Li <shli@kernel.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Tim Chen <tim.c.chen@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The PM QoS flag PM_QOS_FLAG_REMOTE_WAKEUP is not used consistently
and the vast majority of code simply assumes that remote wakeup
should be enabled for devices in runtime suspend if they can
generate wakeup signals, so drop it.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Add vendor prefix for DH electronics GmbH, https://www.dh-electronics.com .
The company is a SoM and evaluation board manufacturer.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
This parameter provide an option to disable io scheduler when nullb*
in multi-queue mode.
Signed-off-by: weiping zhang <zhangweiping@didichuxing.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
update the range of submits_queues, and correct usage hints.
Signed-off-by: weiping zhang <zhangweiping@didichuxing.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Use the preferred generic node name in the example.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Rob Herring <robh@kernel.org>
Currently, the examples are using 2MB for the ITS size. Per the
specification (section 8.18 in ARM IHI 0069D), the ITS address map is
128KB.
Update the examples to match the specification.
Signed-off-by: Julien Grall <julien.grall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Add binding document for Broadcom iProc's Multi-Host Bridge (MHB)
block
Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add binding document for Broadcom iProc's Chip Device Resource Unit
(CDRU). Multiple iProc based chips have this CDRU block that contains
miscellaneous registers for chip or device configurations. Start with
Stingray specific compatible string for the initial binding
Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds muic of_compatible in order to use the muic device
driver in device tree.
Signed-off-by: Maciej Purski <m.purski@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Use the stock ticker: UBNT as the vendor prefix for Ubiquiti Networks.
Acked-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Add a Device Tree binding document for the Broadcom Hurricane 2 SoC
which is an iProc based system.
Acked-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Add binding documentation for the Broadcom Hurricane 2 SoCs used in
switching control planes.
Acked-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
CONFIG_BLK_DEV_HD_IDE was removed in commit 80aa31cb46 ("ide:
remove CONFIG_BLK_DEV_HD_IDE config option (take 2)") but the ide-cd
documentation was not updated and still asks users to disable it,
which is misleading and involves a fruitless search.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Make admin-guide document refs valid.
Signed-off-by: Tom Saeger <tom.saeger@oracle.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Make driver-api document refs valid.
Signed-off-by: Tom Saeger <tom.saeger@oracle.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Add a simple script and build target to do a treewide grep for
references to files under Documentation, and report the non-existing
file in stderr. It tries to take into account punctuation not part of
the filename, and wildcards, but there are bound to be false positives
too. Mostly seems accurate though.
We've moved files around enough to make having this worthwhile.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Enhance documentation help message to specify the default location for
the generated documents.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Update to include details on make O=dir support and other changes improve
test results output.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
[jc: Tweaked RST formatting slightly ]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Add support for ls1012a.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Minghuan Lian <minghuan.Lian@nxp.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Changing it afterwards doesn't make too much sense and will only result
in inconsistencies.
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Setting it to 0 leads to setting it to the default value, let's document
this.
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
In order to aid post-mortem debugging the Qualcomm platforms provide a
"memory download mode", where the boot loader will provide an interface
for custom tools to "download" the content of RAM to a host machine.
The mode is triggered by writing a magic value somewhere in RAM, that is
read in the boot code path after a warm-restart. Two mechanism for
setting this magic value are supported in modern platforms; a direct SCM
call to enable the mode or through a secure io write of a magic value.
In order for a normal reboot not to trigger "download mode" the magic
must be cleared during a clean reboot.
Download mode has to be enabled by including qcom_scm.download_mode=1 on
the command line.
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
The Khadas VIM2 is a Single Board Computer, respin of the origin
Khadas VIM board, using an Amlogic S912 SoC and more server oriented.
It provides the same external connectors and header pinout, plus a SPI
NOR Flash, a reprogrammable STM8S003 MCU, FPC Connector, Cooling FAN header
and Pogo Pads Arrays.
Cc: Gouwa <gouwa@szwesion.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This DTS has support for the Fairphone 2 (codenamed FP2).
This first version of the DTS supports just the serial console via the
MSM UART pins.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
The ls1012a implements only 1 MSI controller, and it is the same as
ls1043a.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Minghuan Lian <minghuan.Lian@nxp.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
That section is too outdated and got superseded by DVBv5 and
by libdvbv5.
Maybe some day we'll end adding updated examples there, but
while nobody has time or interest of doing that, just mention
that there and get rid of the current examples for good.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* port authorized event for 4-way-HS offload (Avi)
* enable MFP optional for such devices (Emmanuel)
* Kees's timer setup patch for mac80211 mesh
(the part that isn't trivially scripted)
* improve VLAN vs. TXQ handling (myself)
* load regulatory database as firmware file (myself)
* with various other small improvements and cleanups
I merged net-next once in the meantime to allow Kees's
timer setup patch to go in.
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Merge tag 'mac80211-next-for-davem-2017-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
Work continues in various areas:
* port authorized event for 4-way-HS offload (Avi)
* enable MFP optional for such devices (Emmanuel)
* Kees's timer setup patch for mac80211 mesh
(the part that isn't trivially scripted)
* improve VLAN vs. TXQ handling (myself)
* load regulatory database as firmware file (myself)
* with various other small improvements and cleanups
I merged net-next once in the meantime to allow Kees's
timer setup patch to go in.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a cross-reference to a mentioned structure and split
the kernel-doc stuff on a separate chapter.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
WARNING: 'algoritms' may be misspelled - perhaps 'algorithms'?
+responsible for tuning the device. It supports multiple algoritms to
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Instead of document all kAPI into a single file, split it
on multiple ones. That makes easier to maintain each part.
As a side effect, it will produce multiple html pages, with
is a good idea.
No changes at the text. Just some chapter levels changed.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Better document the DVB common parts by adding two sections
and an introductory text for each.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
There are several problems with regards to the return of
FE_SET_PROPERTY. The original idea were to return per-property
return codes via tvp->result field, and to return an updated
set of values.
However, that never worked. What's actually implemented is:
- the FE_SET_PROPERTY implementation doesn't call .get_frontend
callback in order to get the actual parameters after return;
- the tvp->result field is only filled if there's no error.
So, it is always filled with zero;
- FE_SET_PROPERTY doesn't call memdup_user() nor any other
copy_to_user() function. So, any changes to the properties
will be lost;
- FE_SET_PROPERTY is declared as a write-only ioctl (IOW).
While we could fix the above, it could cause regressions.
So, let's just assume what the code really does, updating
the documentation accordingly and removing the logic that
would update the discarded tvp->result.
Reviewed-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Add DT binding for the HW IR decoder embedded in SMP86xx/SMP87xx.
Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
We don't document our ELF hwcaps, leaving developers to interpret them
according to hearsay, guesswork, or (in exceptional cases) inspection of
the current kernel code.
This is less than optimal, and it would be far better if we had some
definitive description of each of the ELF hwcaps that developers could
refer to.
This patch adds a document describing the (native) arm64 ELF hwcaps.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Martin <Dave.Martin@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
[ Updated new hwcap entries in the document ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
ARMv8-A adds a few optional features for ARMv8.2 and ARMv8.3.
Expose them to the userspace via HWCAPs and mrs emulation.
SHA2-512 - Instruction support for SHA512 Hash algorithm (e.g SHA512H,
SHA512H2, SHA512U0, SHA512SU1)
SHA3 - SHA3 crypto instructions (EOR3, RAX1, XAR, BCAX).
SM3 - Instruction support for Chinese cryptography algorithm SM3
SM4 - Instruction support for Chinese cryptography algorithm SM4
DP - Dot Product instructions (UDOT, SDOT).
Cc: Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Dave Martin <dave.martin@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Add functionality to read LPIT table, which provides:
- Sysfs interface to read residency counters via
/sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us
/sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us
Here the count "low_power_idle_cpu_residency_us" shows the time spent
by CPU package in low power state. This is read via MSR interface,
which points to MSR for PKG C10.
Here the count "low_power_idle_system_residency_us" show the count the
system was in low power state. This is read via MMIO interface. This
is mapped to SLP_S0 residency on modern Intel systems. This residency
is achieved only when CPU is in PKG C10 and all functional blocks are
in low power state.
It is possible that none of the above counters present or anyone of the
counter present or all counters present.
For example: On my Kabylake system both of the above counters present.
After suspend to idle these counts updated and prints:
6916179
6998564
This counter can be read by tools like turbostat to display. Or it can
be used to debug, if modern systems are reaching desired low power state.
- Provides an interface to read residency counter memory address
This address can be used to get the base address of PMC memory
mapped IO. This is utilized by intel_pmc_core driver to print
more debug information.
In addition, to avoid code duplication to read iomem, removed the read of
iomem from acpi_os_read_memory() in osl.c and made a common function
acpi_os_read_iomem(). This new function is used for reading iomem in
in both osl.c and acpi_lpit.c.
Link: http://www.uefi.org/sites/default/files/resources/Intel_ACPI_Low_Power_S0_Idle.pdf
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Parsing and building C structures from a regdb is no longer needed
since the "firmware" file (regulatory.db) can be linked into the
kernel image to achieve the same effect.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
As the current regulatory database is only about 4k big, and already
difficult to extend, we decided that overall it would be better to
get rid of the complications with CRDA and load the database into the
kernel directly, but in a new format that is extensible.
The new file format can be extended since it carries a length field
on all the structs that need to be extensible.
In order to be able to request firmware when the module initializes,
move cfg80211 from subsys_initcall() to the later fs_initcall(); the
firmware loader is at the same level but linked earlier, so it can
be called from there. Otherwise, when both the firmware loader and
cfg80211 are built-in, the request will crash the kernel. We also
need to be before device_initcall() so that cfg80211 is available
for devices when they initialize.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This adds documentation of device tree bindings for the
thermal sensor controller of hi3660 SoC.
Signed-off-by: Kevin Wangtao <kevin.wangtao@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
This adds the compatible string for the mcp23018, which is the i2c variant
of the mcp23s18.
Signed-off-by: Phil Reid <preid@electromag.com.au>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The mcp23s08 driver moved to pinctrl recently. It accepts the
bias-pull-up pinctrl property since then. This updates the binding
doc to reflect that.
Thanks to Sebastian Reichel for the working example.
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The mcp23s08 driver was moved from gpio to pinctrl. This moves it's
devicetree binding doc as well. So driver and binding doc are in sync
again.
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The HDMI controller in the A31 SoC is slightly different from the
earlier version. In addition to the TMDS clock and DDC controls,
this version now takes a second DDC clock input.
Add a compatible string for it, and add the DDC clock input to the
list of clocks required.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171010032008.682-7-wens@csie.org
With the recently introduced omap clkctrl module binding, we can start
moving omap hwmod data to device tree and drivers from arch/arm/mach-omap2.
To start doing this, let's introduce a device tree binding for TI
sysc interconnect target module hardware. The sysc manages module clocks,
idlemodes and interconnect level resets. Each interconnect target module
can have one or more child devices connected to it.
TI sysc interconnect target module hardware is independent of the
interconnect. It is used at least with TI L3 interconnect (Arteris NoC)
and TI L4 interconnect (Sonics s3220). The sysc is mostly used for
interaction between module and PRCM. It participates in the OCP Disconnect
Protocol but other than that is mostly indepenent of the interconnect.
As all the features may not be supported for a given sysc module, we
need to use device tree configuration for the revision of the interconnect
target module.
Note that the interconnect target module control registers are always
sprinked at varying locations in the unused address space of the first
child device IP block. To avoid device tree reg conflicts, the sysc device
provides ranges for it's children.
For a non-intrusive transition from static hwmod data to using device
tree defined TI interconnect target module binding, we can keep things
working with static hwmod data if device tree property "ti,hwmods" is
specified for the the interconnect target module.
Note that additional properties for sysc capabilities will be added
later on. For now, we can already use this binding for interconnect
target modules that do not have any child device drivers available.
This allows us to idle the unused interconnect target modules during
init without the need for legacy hwmod platform data for doing it.
Cc: Benoît Cousson <bcousson@baylibre.com>
Cc: Dave Gerlach <d-gerlach@ti.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Nishanth Menon <nm@ti.com>
Cc: Matthijs van Duin <matthijsvanduin@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Sakari Ailus <sakari.ailus@iki.fi>
Cc: Suman Anna <s-anna@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Describe the binding for firmware-configured instances of the Synopsys
DesignWare PCIe controller in RC mode, that are almost but not quite ECAM
compliant.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Pull networking fixes from David Miller:
1) Fix object leak on IPSEC offload failure, from Steffen Klassert.
2) Fix range checks in ipset address range addition operations, from
Jozsef Kadlecsik.
3) Fix pernet ops unregistration order in ipset, from Florian Westphal.
4) Add missing netlink attribute policy for nl80211 packet pattern
attrs, from Peng Xu.
5) Fix PPP device destruction race, from Guillaume Nault.
6) Write marks get lost when BPF verifier processes R1=R2 register
assignments, causing incorrect liveness information and less state
pruning. Fix from Alexei Starovoitov.
7) Fix blockhole routes so that they are marked dead and therefore not
cached in sockets, otherwise IPSEC stops working. From Steffen
Klassert.
8) Fix broadcast handling of UDP socket early demux, from Paolo Abeni.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (37 commits)
cdc_ether: flag the u-blox TOBY-L2 and SARA-U2 as wwan
net: thunderx: mark expected switch fall-throughs in nicvf_main()
udp: fix bcast packet reception
netlink: do not set cb_running if dump's start() errs
ipv4: Fix traffic triggered IPsec connections.
ipv6: Fix traffic triggered IPsec connections.
ixgbe: incorrect XDP ring accounting in ethtool tx_frame param
net: ixgbe: Use new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag
Revert commit 1a8b6d76dc ("net:add one common config...")
ixgbe: fix masking of bits read from IXGBE_VXLANCTRL register
ixgbe: Return error when getting PHY address if PHY access is not supported
netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1'
netfilter: SYNPROXY: skip non-tcp packet in {ipv4, ipv6}_synproxy_hook
tipc: Unclone message at secondary destination lookup
tipc: correct initialization of skb list
gso: fix payload length when gso_size is zero
mlxsw: spectrum_router: Avoid expensive lookup during route removal
bpf: fix liveness marking
doc: Fix typo "8023.ad" in bonding documentation
ipv6: fix net.ipv6.conf.all.accept_dad behaviour for real
...
When rcutorture sees the rcutorture.stall_cpu kernel boot parameter,
it loops with preemption disabled, which does in fact normally
generate an RCU CPU stall warning message. However, there are test
scenarios that need the stalling CPU to have interrupts disabled.
This commit therefore adds an rcutorture.stall_cpu_irqsoff kernel
boot parameter that causes the stalling CPU to disable interrupts.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
The current version of memory-barriers.txt misuses the term "transitive",
so this commit replaces it with multi-copy atomic, also adding a
definition of this term.
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
The RCU CPU stall warnings have morphed significantly since the last
update, so this commit brings the documentation up to date.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
If a fast system has a worst-case grace-period duration of (say) ten
seconds, then running the same workload on a system ten times as slow
will get you an RCU CPU stall warning given default stall-warning
timeout settings. This commit therefore adds this possibility to
stallwarn.txt.
Reported-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
If a periodic interrupt's handler takes longer to execute than the period
between successive interrupts, RCU's kthreads and softirq handlers can
be prevented from executing, resulting in otherwise inexplicable RCU
CPU stall warnings. This commit therefore calls out this possibility
in Documentation/RCU/stallwarn.txt.
Reported-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit provides text and diagrams showing how Tree RCU implements
its grace-period memory ordering guarantees.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ismail H. Kose <ihkose@gmail.com>
Signed-off-by: Ismail H. Kose <Ismail.Kose@maximintegrated.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Describe how to specify RZ/A1M and RZ/A1L devices.
Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Dave Martin