Rather than using "unsigned long", use "u32" for 32-bit instructions in
the alignment fault handler.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
When the system has high memory pressure, the page containing the
instruction may be paged out. Using probe_kernel_address() means that
if the page is swapped out, the resulting page fault will not be
handled because page faults are disabled by this function.
Use get_user() to read the instruction instead.
Reported-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
Fixes: b255188f90 ("ARM: fix scheduling while atomic warning in alignment handling code")
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Commit 572cf7d7b0 ("ARM: dts: Improve omap l4per idling with wlcore edge
sensitive interrupt") changed wlcore interrupts to use edge interrupt based
on what's specified in the wl1835mod.pdf data sheet.
However, there are still cases where we can have lost interrupts as
described in omap_gpio_unidle(). And using a level interrupt instead of edge
interrupt helps as we avoid the check for untriggered GPIO interrupts in
omap_gpio_unidle().
And with commit e6818d29ea ("gpio: gpio-omap: configure edge detection
for level IRQs for idle wakeup") GPIOs idle just fine with level interrupts.
Let's change omap4 and 5 wlcore users back to using level interrupt
instead of edge interrupt. Let's not change the others as I've only seen
this on omap4 and 5, probably because the other SoCs don't have l4per idle
independent of the CPUs.
Fixes: 572cf7d7b0 ("ARM: dts: Improve omap l4per idling with wlcore edge sensitive interrupt")
Depends-on: e6818d29ea ("gpio: gpio-omap: configure edge detection for level IRQs for idle wakeup")
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: Eyal Reizer <eyalr@ti.com>
Cc: Guy Mishol <guym@ti.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
According to
Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt,
i2c-mux-idle-disconnect is a property of a parent node since it
pertains to the mux/switch as a whole, so move it there and drop all
of the concurrences in child nodes.
Fixes: d031773169 ("ARM: dts: Adds device tree file for McGill's IceBoard, based on TI AM3874")
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Benoît Cousson <bcousson@baylibre.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Graeme Smecher <gsmecher@threespeedlogic.com>
Cc: linux-omap@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Tested-by: Graeme Smecher <gsmecher@threespeedlogic.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The clkctrl code searches for the parent clockdomain based on the name
of the CM provider node. The introduction of SGX node for omap5 made
the node name for the gpu_cm to be clock-controller. There is no
clockdomain named like this, so the lookup fails. Fix by changing
the node name properly.
Fixes: 394534cb07 ("ARM: dts: Configure sgx for omap5")
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
What we thought would be the module clock is actually the clock meant to be
used by the sensors, and play no role in the CSI controller. Now that the
binding has been updated to reflect that, let's update the device tree too.
Fixes: d2b9c64443 ("ARM: dts: sun7i: Add CSI0 controller")
Reported-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
A few fixes this time around:
- Fixup of some clock specifications for DRA7 (device-tree fix)
- Removal of some dead/legacy CPU OPP/PM code for OMAP that throws
warnings at boot
- A few more minor fixups for OMAPs, most around display
- Enable STM32 QSPI as =y since their rootfs sometimes comes from
there
- Switch CONFIG_REMOTEPROC to =y since it went from tristate to bool
- Fix of thermal zone definition for ux500 (5.4 regression)
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"A few fixes this time around:
- Fixup of some clock specifications for DRA7 (device-tree fix)
- Removal of some dead/legacy CPU OPP/PM code for OMAP that throws
warnings at boot
- A few more minor fixups for OMAPs, most around display
- Enable STM32 QSPI as =y since their rootfs sometimes comes from
there
- Switch CONFIG_REMOTEPROC to =y since it went from tristate to bool
- Fix of thermal zone definition for ux500 (5.4 regression)"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: multi_v7_defconfig: Fix SPI_STM32_QSPI support
ARM: dts: ux500: Fix up the CPU thermal zone
arm64/ARM: configs: Change CONFIG_REMOTEPROC from m to y
ARM: dts: am4372: Set memory bandwidth limit for DISPC
ARM: OMAP2+: Fix warnings with broken omap2_set_init_voltage()
ARM: OMAP2+: Add missing LCDC midlemode for am335x
ARM: OMAP2+: Fix missing reset done flag for am3 and am43
ARM: dts: Fix gpio0 flags for am335x-icev2
ARM: omap2plus_defconfig: Enable more droid4 devices as loadable modules
ARM: omap2plus_defconfig: Enable DRM_TI_TFP410
DTS: ARM: gta04: introduce legacy spi-cs-high to make display work again
ARM: dts: Fix wrong clocks for dra7 mcasp
clk: ti: dra7: Fix mcasp8 clock bits
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Merge tag 'for-linus-5.4-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes and cleanups from Juergen Gross:
- a fix in the Xen balloon driver avoiding hitting a BUG_ON() in some
cases, plus a follow-on cleanup series for that driver
- a patch for introducing non-blocking EFI callbacks in Xen's EFI
driver, plu a cleanup patch for Xen EFI handling merging the x86 and
ARM arch specific initialization into the Xen EFI driver
- a fix of the Xen xenbus driver avoiding a self-deadlock when cleaning
up after a user process has died
- a fix for Xen on ARM after removal of ZONE_DMA
- a cleanup patch for avoiding build warnings for Xen on ARM
* tag 'for-linus-5.4-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/xenbus: fix self-deadlock after killing user process
xen/efi: have a common runtime setup function
arm: xen: mm: use __GPF_DMA32 for arm64
xen/balloon: Clear PG_offline in balloon_retrieve()
xen/balloon: Mark pages PG_offline in balloon_append()
xen/balloon: Drop __balloon_append()
xen/balloon: Set pages PageOffline() in balloon_add_region()
ARM: xen: unexport HYPERVISOR_platform_op function
xen/efi: Set nonblocking callbacks
The TWL4030 used on the Logit PD Torpedo SOM does not have the
keypad pins routed. This patch disables the twl_keypad driver
to remove some splat during boot:
twl4030_keypad 48070000.i2c:twl@48:keypad: missing or malformed property linux,keymap: -22
twl4030_keypad 48070000.i2c:twl@48:keypad: Failed to build keymap
twl4030_keypad: probe of 48070000.i2c:twl@48:keypad failed with error -22
Signed-off-by: Adam Ford <aford173@gmail.com>
[tony@atomide.com: removed error time stamps]
Signed-off-by: Tony Lindgren <tony@atomide.com>
This reverts commits 3d109bdca9 ("ARM: dts: sunxi: Remove useless
phy-names from EHCI and OHCI"), 0a3df8bb6d ("ARM: dts: sunxi: h3/h5:
Remove useless phy-names from EHCI and OHCI") and 3c7ab90aaa ("arm64:
dts: allwinner: Remove useless phy-names from EHCI and OHCI").
It turns out that while the USB bindings were not mentionning it, the PHY
client bindings were mandating that phy-names is set when phys is. Let's
add it back.
Fixes: 3d109bdca9 ("ARM: dts: sunxi: Remove useless phy-names from EHCI and OHCI")
Fixes: 0a3df8bb6d ("ARM: dts: sunxi: h3/h5: Remove useless phy-names from EHCI and OHCI")
Fixes: 3c7ab90aaa ("arm64: dts: allwinner: Remove useless phy-names from EHCI and OHCI")
Reported-by: Emmanuel Vadot <manu@bidouilliste.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20191002112651.100504-1-mripard@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The Rio500 kernel driver has not been used by Rio500 owners since 2001
not long after the rio500 project added support for a user-space USB stack
through the very first versions of usbdevfs and then libusb.
Support for the kernel driver was removed from the upstream utilities
in 2008:
943f624ab7
Cc: Cesar Miquel <miquel@df.uba.ar>
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/6251c17584d220472ce882a3d9c199c401a51a71.camel@hadess.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The old omapdrm panels got removed for v5.4 in favor of generic panels,
and the Kconfig options changed. Let's update omap2plus_defconfig
accordingly so the same panels are still enabled.
Cc: Jyri Sarha <jsarha@ti.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Here are fixes for omaps to deal with few regressions, and to fix
more boot time errors and warnings:
- The recent ti-sysc interconnect target module driver changes had
incorrect clock bits for both clocks and dts that cause warnings
- For omap3-gta04, gpio changes caused the LCD to break a while back,
and after discussing things the right fix is to set spi-cs-high
- Recent omapdrm changes to use generic panels caused tfp410 to be
disabled as we now must enable the generic support for it in
defconfig
- Recent omapdrm and backlight changes also finally made droid4 LCD
to work, so let's enable it in the defconfig it can be used out
of the box. This is not strictly a fix, but we still also have the
older CONFIG_MFD_TI_LMU options available so this cuts down the
confusion for trying to guess which display and which backlight
is needed
- Recent ti-sysc interconnect target module changes need the gpio
module disabled on some boards, but this now needs to happen at
the module level, not at the gpio driver level
- Recent changes to probe system timers with ti-sysc caused warnings
about mismatch in syconfig registers, so let's configure the option
for RESET_STATUS as available in the TRMs
- Recent changes to probe LCDC with ti-sysc caused warnings about
mismatch in sysconfig registers, so let's configure the missing
idlemodes for both platform data and dts as documented in TRMs
- Since we moved mach-omap2 to probe with device tree, we've been
getting voltage controller warnings. Turns out this code is no
longer needed, so let's just remove omap2_set_init_voltage() to
get rid of the pointless warnings
- Configure am4372 dispc memory bandwidth to avoid underflow errors
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Merge tag 'omap-for-v5.4/fixes-rc1-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps for v5.4-rc cycle
Here are fixes for omaps to deal with few regressions, and to fix
more boot time errors and warnings:
- The recent ti-sysc interconnect target module driver changes had
incorrect clock bits for both clocks and dts that cause warnings
- For omap3-gta04, gpio changes caused the LCD to break a while back,
and after discussing things the right fix is to set spi-cs-high
- Recent omapdrm changes to use generic panels caused tfp410 to be
disabled as we now must enable the generic support for it in
defconfig
- Recent omapdrm and backlight changes also finally made droid4 LCD
to work, so let's enable it in the defconfig it can be used out
of the box. This is not strictly a fix, but we still also have the
older CONFIG_MFD_TI_LMU options available so this cuts down the
confusion for trying to guess which display and which backlight
is needed
- Recent ti-sysc interconnect target module changes need the gpio
module disabled on some boards, but this now needs to happen at
the module level, not at the gpio driver level
- Recent changes to probe system timers with ti-sysc caused warnings
about mismatch in syconfig registers, so let's configure the option
for RESET_STATUS as available in the TRMs
- Recent changes to probe LCDC with ti-sysc caused warnings about
mismatch in sysconfig registers, so let's configure the missing
idlemodes for both platform data and dts as documented in TRMs
- Since we moved mach-omap2 to probe with device tree, we've been
getting voltage controller warnings. Turns out this code is no
longer needed, so let's just remove omap2_set_init_voltage() to
get rid of the pointless warnings
- Configure am4372 dispc memory bandwidth to avoid underflow errors
* tag 'omap-for-v5.4/fixes-rc1-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am4372: Set memory bandwidth limit for DISPC
ARM: OMAP2+: Fix warnings with broken omap2_set_init_voltage()
ARM: OMAP2+: Add missing LCDC midlemode for am335x
ARM: OMAP2+: Fix missing reset done flag for am3 and am43
ARM: dts: Fix gpio0 flags for am335x-icev2
ARM: omap2plus_defconfig: Enable more droid4 devices as loadable modules
ARM: omap2plus_defconfig: Enable DRM_TI_TFP410
DTS: ARM: gta04: introduce legacy spi-cs-high to make display work again
ARM: dts: Fix wrong clocks for dra7 mcasp
clk: ti: dra7: Fix mcasp8 clock bits
Link: https://lore.kernel.org/r/pull-1570040410-308159@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
Today the EFI runtime functions are setup in architecture specific
code (x86 and arm), with the functions themselves living in drivers/xen
as they are not architecture dependent.
As the setup is exactly the same for arm and x86 move the setup to
drivers/xen, too. This at once removes the need to make the single
functions global visible.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
[boris: "Dropped EXPORT_SYMBOL_GPL(xen_efi_runtime_setup)"]
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
arm64 shares some code under arch/arm/xen, including mm.c.
However ZONE_DMA is removed by commit
ad67f5a6545("arm64: replace ZONE_DMA with ZONE_DMA32").
So add a check if CONFIG_ZONE_DMA32 is enabled use __GFP_DMA32.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
HYPERVISOR_platform_op() is an inline function and should not
be exported. Since commit 15bfc2348d ("modpost: check for
static EXPORT_SYMBOL* functions"), this causes a warning:
WARNING: "HYPERVISOR_platform_op" [vmlinux] is a static EXPORT_SYMBOL_GPL
Instead, export the underlying function called by the static inline:
HYPERVISOR_platform_op_raw.
Fixes: 15bfc2348d ("modpost: check for static EXPORT_SYMBOL* functions")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
This fixes up the default ux500 CPU thermal zone:
- Set polling delay to 0 and explain why
- Set passive polling delay to 250
- Remove restrictions from the CPU cooling device,
we should use all cpufreq steps to cool down if
needed.
Link: https://lore.kernel.org/r/20191001074628.8122-1-linus.walleij@linaro.org
Fixes: b786a05f6c ("ARM: dts: ux500: Update thermal zone")
Suggested-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
The ARM accelerated AES driver depends on the new AES library for
its non-SIMD fallback so express this in its Kconfig declaration.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The NEON/Crypto Extensions based AES implementation for 32-bit ARM
can be built in a kernel that targets ARMv6 CPUs and higher, even
though the actual code will not be able to run on that generation,
but it allows for a portable image to be generated that can will
use the special instructions only when they are available.
Since those instructions are part of a FPU profile rather than a
CPU profile, we don't override the architecture in the assembler
code, and most of the scalar code is simple enough to be ARMv6
compatible. However, that changes with commit c61b1607ed,
which introduces calls to the movw/movt instructions, which are
v7+ only.
So override the architecture in the .S file to armv8-a, which
matches the architecture specification in the crypto-neon-fp-armv8
FPU specificier that we already using. Note that using armv7-a
here may trigger an issue with the upcoming Clang 10 release,
which no longer permits .arch/.fpu combinations it views as
incompatible.
Reported-by: kbuild test robot <lkp@intel.com>
Fixes: c61b1607ed ("crypto: arm/aes-ce - implement ciphertext stealing ...")
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Other parts of the kernel expect these nonblocking EFI callbacks to
exist and crash when running under Xen. Since the implementations of
xen_efi_set_variable() and xen_efi_query_variable_info() do not take any
locks, use them for the nonblocking callbacks too.
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Commit 6334150e9a ("remoteproc: don't allow modular build")
changes CONFIG_REMOTEPROC to a boolean from a tristate config
option which inhibits all defconfigs marking CONFIG_REMOTEPROC as
a module in compiling the remoteproc and dependent config options.
So fix the configs to have CONFIG_REMOTEPROC built in.
Link: https://lore.kernel.org/r/20190920075946.13282-5-j-keerthy@ti.com
Fixes: 6334150e9a ("remoteproc: don't allow modular build")
Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Will Deacon <will@kernel.org>
[olof: Fixed up all 4 occurrances in this one commit]
Signed-off-by: Olof Johansson <olof@lixom.net>
A few fixes that have trickled in through the merge window:
- Video fixes for OMAP due to panel-dpi driver removal
- Clock fixes for OMAP that broke no-idle quirks + nfsroot on DRA7
- Fixing arch version on ASpeed ast2500
- Two fixes for reset handling on ARM SCMI
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"A few fixes that have trickled in through the merge window:
- Video fixes for OMAP due to panel-dpi driver removal
- Clock fixes for OMAP that broke no-idle quirks + nfsroot on DRA7
- Fixing arch version on ASpeed ast2500
- Two fixes for reset handling on ARM SCMI"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: aspeed: ast2500 is ARMv6K
reset: reset-scmi: add missing handle initialisation
firmware: arm_scmi: reset: fix reset_state assignment in scmi_domain_reset
bus: ti-sysc: Remove unpaired sysc_clkdm_deny_idle()
ARM: dts: logicpd-som-lv: Fix i2c2 and i2c3 Pin mux
ARM: dts: am3517-evm: Fix missing video
ARM: dts: logicpd-torpedo-baseboard: Fix missing video
ARM: omap2plus_defconfig: Fix missing video
bus: ti-sysc: Fix handling of invalid clocks
bus: ti-sysc: Fix clock handling for no-idle quirks
Set memory bandwidth limit to filter out resolutions above 720p@60Hz to
avoid underflow errors due to the bandwidth needs of higher resolutions.
am43xx can not provide enough bandwidth to DISPC to correctly handle
'high' resolutions.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Fixes for omap variants
Few fixes for ti-sysc interconnect target module driver for no-idle
quirks that caused nfsroot to fail on some dra7 boards.
And let's fixes to get LCD working again for logicpd board that got
broken a while back with removal of panel-dpi driver. We need to now
use generic CONFIG_DRM_PANEL_SIMPLE instead.
* tag 'fixes-5.4-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Remove unpaired sysc_clkdm_deny_idle()
ARM: dts: logicpd-som-lv: Fix i2c2 and i2c3 Pin mux
ARM: dts: am3517-evm: Fix missing video
ARM: dts: logicpd-torpedo-baseboard: Fix missing video
ARM: omap2plus_defconfig: Fix missing video
bus: ti-sysc: Fix handling of invalid clocks
bus: ti-sysc: Fix clock handling for no-idle quirks
Link: https://lore.kernel.org/r/pull-1568819401-72461@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
The naming of pgtable_page_{ctor,dtor}() seems to have confused a few
people, and until recently arm64 used these erroneously/pointlessly for
other levels of page table.
To make it incredibly clear that these only apply to the PTE level, and to
align with the naming of pgtable_pmd_page_{ctor,dtor}(), let's rename them
to pgtable_pte_page_{ctor,dtor}().
These changes were generated with the following shell script:
----
git grep -lw 'pgtable_page_.tor' | while read FILE; do
sed -i '{s/pgtable_page_ctor/pgtable_pte_page_ctor/}' $FILE;
sed -i '{s/pgtable_page_dtor/pgtable_pte_page_dtor/}' $FILE;
done
----
... with the documentation re-flowed to remain under 80 columns, and
whitespace fixed up in macros to keep backslashes aligned.
There should be no functional change as a result of this patch.
Link: http://lkml.kernel.org/r/20190722141133.3116-1-mark.rutland@arm.com
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k]
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This code is currently unable to find the dts opp tables as ti-cpufreq
needs to set them up first based on speed binning.
We stopped initializing the opp tables with platform code years ago for
device tree based booting with commit 92d51856d7 ("ARM: OMAP3+: do not
register non-dt OPP tables for device tree boot"), and all of mach-omap2
is now booting using device tree.
We currently get the following errors on init:
omap2_set_init_voltage: unable to find boot up OPP for vdd_mpu
omap2_set_init_voltage: unable to set vdd_mpu
omap2_set_init_voltage: unable to find boot up OPP for vdd_core
omap2_set_init_voltage: unable to set vdd_core
omap2_set_init_voltage: unable to find boot up OPP for vdd_iva
omap2_set_init_voltage: unable to set vdd_iva
Let's just drop the unused code. Nowadays ti-cpufreq should be used to
to initialize things properly.
Cc: Adam Ford <aford173@gmail.com>
Cc: André Roth <neolynx@gmail.com>
Cc: "H. Nikolaus Schaller" <hns@goldelico.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Tested-by: Adam Ford <aford173@gmail.com> #logicpd-torpedo-37xx-devkit
Signed-off-by: Tony Lindgren <tony@atomide.com>
TRM "Table 13-34. SYSCONFIG Register Field Descriptions" lists both
standbymode and idlemode that should be just the sidle and midle
registers where midle is currently unconfigured for lcdc_sysc. As
the dts data has been generated based on lcdc_sysc, we now have an
empty "ti,sysc-midle" property.
And so we currently get a warning for lcdc because of a difference
with dts provided configuration compared to the legacy platform
data. This is because lcdc has SYSC_HAS_MIDLEMODE configured in
the platform data without configuring the modes.
Let's fix the issue by adding the missing midlemode to lcdc_sysc,
and configuring the "ti,sysc-midle" property based on the TRM
values.
Fixes: f711c575cf ("ARM: dts: am335x: Add l4 interconnect hierarchy and ti-sysc data")
Cc: Jyri Sarha <jsarha@ti.com>
Cc: Keerthy <j-keerthy@ti.com>
Cc: Robert Nelson <robertcnelson@gmail.com>
Cc: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
For ti,sysc-omap4 compatible devices with no sysstatus register, we do have
reset done status available in the SOFTRESET bit that clears when the reset
is done. This is documented for example in am437x TRM for DMTIMER_TIOCP_CFG
register. The am335x TRM just says that SOFTRESET bit value 1 means reset is
ongoing, but it behaves the same way clearing after reset is done.
With the ti-sysc driver handling this automatically based on no sysstatus
register defined, we see warnings if SYSC_HAS_RESET_STATUS is missing in the
legacy platform data:
ti-sysc 48042000.target-module: sysc_flags 00000222 != 00000022
ti-sysc 48044000.target-module: sysc_flags 00000222 != 00000022
ti-sysc 48046000.target-module: sysc_flags 00000222 != 00000022
...
Let's fix these warnings by adding SYSC_HAS_RESET_STATUS. Let's also
remove the useless parentheses while at it.
If it turns out we do have ti,sysc-omap4 compatible devices without a
working SOFTRESET bit we can set up additional quirk handling for it.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Merge updates from Andrew Morton:
- a few hot fixes
- ocfs2 updates
- almost all of -mm (slab-generic, slab, slub, kmemleak, kasan,
cleanups, debug, pagecache, memcg, gup, pagemap, memory-hotplug,
sparsemem, vmalloc, initialization, z3fold, compaction, mempolicy,
oom-kill, hugetlb, migration, thp, mmap, madvise, shmem, zswap,
zsmalloc)
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (132 commits)
mm/zsmalloc.c: fix a -Wunused-function warning
zswap: do not map same object twice
zswap: use movable memory if zpool support allocate movable memory
zpool: add malloc_support_movable to zpool_driver
shmem: fix obsolete comment in shmem_getpage_gfp()
mm/madvise: reduce code duplication in error handling paths
mm: mmap: increase sockets maximum memory size pgoff for 32bits
mm/mmap.c: refine find_vma_prev() with rb_last()
riscv: make mmap allocation top-down by default
mips: use generic mmap top-down layout and brk randomization
mips: replace arch specific way to determine 32bit task with generic version
mips: adjust brk randomization offset to fit generic version
mips: use STACK_TOP when computing mmap base address
mips: properly account for stack randomization and stack guard gap
arm: use generic mmap top-down layout and brk randomization
arm: use STACK_TOP when computing mmap base address
arm: properly account for stack randomization and stack guard gap
arm64, mm: make randomization selected by generic topdown mmap layout
arm64, mm: move generic mmap layout functions to mm
arm64: consider stack randomization for mmap base only when necessary
...
arm uses a top-down mmap layout by default that exactly fits the generic
functions, so get rid of arch specific code and use the generic version by
selecting ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT.
As ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT selects ARCH_HAS_ELF_RANDOMIZE,
use the generic version of arch_randomize_brk since it also fits. Note
that this commit also removes the possibility for arm to have elf
randomization and no MMU: without MMU, the security added by randomization
is worth nothing.
Note that it is safe to remove STACK_RND_MASK since it matches the default
value.
Link: http://lkml.kernel.org/r/20190730055113.23635-9-alex@ghiti.fr
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Acked-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: James Hogan <jhogan@kernel.org>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mmap base address must be computed wrt stack top address, using TASK_SIZE
is wrong since STACK_TOP and TASK_SIZE are not equivalent.
Link: http://lkml.kernel.org/r/20190730055113.23635-8-alex@ghiti.fr
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Acked-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: James Hogan <jhogan@kernel.org>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit takes care of stack randomization and stack guard gap when
computing mmap base address and checks if the task asked for
randomization. This fixes the problem uncovered and not fixed for arm
here: https://lkml.kernel.org/r/20170622200033.25714-1-riel@redhat.com
Link: http://lkml.kernel.org/r/20190730055113.23635-7-alex@ghiti.fr
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Acked-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: James Hogan <jhogan@kernel.org>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Both pgtable_cache_init() and pgd_cache_init() are used to initialize kmem
cache for page table allocations on several architectures that do not use
PAGE_SIZE tables for one or more levels of the page table hierarchy.
Most architectures do not implement these functions and use __weak default
NOP implementation of pgd_cache_init(). Since there is no such default
for pgtable_cache_init(), its empty stub is duplicated among most
architectures.
Rename the definitions of pgd_cache_init() to pgtable_cache_init() and
drop empty stubs of pgtable_cache_init().
Link: http://lkml.kernel.org/r/1566457046-22637-1-git-send-email-rppt@linux.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Will Deacon <will@kernel.org> [arm64]
Acked-by: Thomas Gleixner <tglx@linutronix.de> [x86]
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "mm: remove quicklist page table caches".
A while ago Nicholas proposed to remove quicklist page table caches [1].
I've rebased his patch on the curren upstream and switched ia64 and sh to
use generic versions of PTE allocation.
[1] https://lore.kernel.org/linux-mm/20190711030339.20892-1-npiggin@gmail.com
This patch (of 3):
Remove page table allocator "quicklists". These have been around for a
long time, but have not got much traction in the last decade and are only
used on ia64 and sh architectures.
The numbers in the initial commit look interesting but probably don't
apply anymore. If anybody wants to resurrect this it's in the git
history, but it's unhelpful to have this code and divergent allocator
behaviour for minor archs.
Also it might be better to instead make more general improvements to page
allocator if this is still so slow.
Link: http://lkml.kernel.org/r/1565250728-21721-2-git-send-email-rppt@linux.ibm.com
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Replace 1 << compound_order(page) with compound_nr(page). Minor
improvements in readability.
Link: http://lkml.kernel.org/r/20190721104612.19120-4-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "Make working with compound pages easier", v2.
These three patches add three helpers and convert the appropriate
places to use them.
This patch (of 3):
It's unnecessarily hard to find out the size of a potentially huge page.
Replace 'PAGE_SIZE << compound_order(page)' with page_size(page).
Link: http://lkml.kernel.org/r/20190721104612.19120-2-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The ti,no-idle-on-init and ti,no-reset-on-init flags need to be at
the interconnect target module level for the modules that have it
defined. Otherwise we get the following warnings:
dts flag should be at module level for ti,no-idle-on-init
dts flag should be at module level for ti,no-reset-on-init
Fixes: 87fc89ced3 ("ARM: dts: am335x: Move l4 child devices to probe them with ti-sysc")
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Reported-by: Suman Anna <s-anna@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Droid4 needs USB option serial driver for modem, and lm3532 for the
LCD backlight.
Note that the LCD backlight does not yet get enabled automatically,
but needs to be done manually with:
# echo 50 > /sys/class/leds/lm3532::backlight/brightness
Signed-off-by: Tony Lindgren <tony@atomide.com>
The TFP410 driver was removed but the replacement driver was
never enabled. This patch enableds the DRM_TI_TFP410
Fixes: be3143d8b2 ("drm/omap: Remove TFP410 and DVI connector drivers")
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
commit 6953c57ab1 "gpio: of: Handle SPI chipselect legacy bindings"
did introduce logic to centrally handle the legacy spi-cs-high property
in combination with cs-gpios. This assumes that the polarity
of the CS has to be inverted if spi-cs-high is missing, even
and especially if non-legacy GPIO_ACTIVE_HIGH is specified.
The DTS for the GTA04 was orginally introduced under the assumption
that there is no need for spi-cs-high if the gpio is defined with
proper polarity GPIO_ACTIVE_HIGH.
This was not a problem until gpiolib changed the interpretation of
GPIO_ACTIVE_HIGH and missing spi-cs-high.
The effect is that the missing spi-cs-high is now interpreted as CS being
low (despite GPIO_ACTIVE_HIGH) which turns off the SPI interface when the
panel is to be programmed by the panel driver.
Therefore, we have to add the redundant and legacy spi-cs-high property
to properly activate CS.
Cc: stable@vger.kernel.org
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The ahclkr clkctrl clock bit 28 only exists for mcasp 1 and 2 on dra7.
This causes the following warning on beagle-x15:
ti-sysc 48468000.target-module: could not add child clock ahclkr: -19
Also the mcasp clkctrl clock bits are wrong:
For mcasp1 and 2 we have four clocks at bits 28, 24, 22 and 0:
bit 28 is ahclkr
bit 24 is ahclkx
bit 22 is auxclk
bit 0 is fck
For mcasp3 to 8 we have three clocks at bits 24, 22 and 0.
bit 24 is ahclkx
bit 22 is auxclk
bit 0 is fck
We do not have currently mapped auxclk at bit 22 for the drivers, that can
be added if needed.
Fixes: 5241ccbf28 ("ARM: dts: Add missing ranges for dra7 mcasp l3 ports")
Cc: Suman Anna <s-anna@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
- fix various clang build and cppcheck issues
- switch ARM to use new common outgoing-CPU-notification code
- add some additional explanation about the boot code
- kbuild "make clean" fixes
- get rid of another "(____ptrval____)", this time for the VDSO code
- avoid treating cache maintenance faults as a write
- add a frame pointer unwinder implementation for clang
- add EDAC support for Aurora L2 cache
- improve robustness of adjust_lowmem_bounds() finding the bounds of
lowmem.
- add reset control for AMBA primecell devices
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
- fix various clang build and cppcheck issues
- switch ARM to use new common outgoing-CPU-notification code
- add some additional explanation about the boot code
- kbuild "make clean" fixes
- get rid of another "(____ptrval____)", this time for the VDSO code
- avoid treating cache maintenance faults as a write
- add a frame pointer unwinder implementation for clang
- add EDAC support for Aurora L2 cache
- improve robustness of adjust_lowmem_bounds() finding the bounds of
lowmem.
- add reset control for AMBA primecell devices
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: (24 commits)
ARM: 8906/1: drivers/amba: add reset control to amba bus probe
ARM: 8905/1: Emit __gnu_mcount_nc when using Clang 10.0.0 or newer
ARM: 8904/1: skip nomap memblocks while finding the lowmem/highmem boundary
ARM: 8903/1: ensure that usable memory in bank 0 starts from a PMD-aligned address
ARM: 8891/1: EDAC: armada_xp: Add support for more SoCs
ARM: 8888/1: EDAC: Add driver for the Marvell Armada XP SDRAM and L2 cache ECC
ARM: 8892/1: EDAC: Add missing debugfs_create_x32 wrapper
ARM: 8890/1: l2x0: add marvell,ecc-enable property for aurora
ARM: 8889/1: dt-bindings: document marvell,ecc-enable binding
ARM: 8886/1: l2x0: support parity-enable/disable on aurora
ARM: 8885/1: aurora-l2: add defines for parity and ECC registers
ARM: 8887/1: aurora-l2: add prefix to MAX_RANGE_SIZE
ARM: 8902/1: l2c: move cache-aurora-l2.h to asm/hardware
ARM: 8900/1: UNWINDER_FRAME_POINTER implementation for Clang
ARM: 8898/1: mm: Don't treat faults reported from cache maintenance as writes
ARM: 8896/1: VDSO: Don't leak kernel addresses
ARM: 8895/1: visit mach-* and plat-* directories when cleaning
ARM: 8894/1: boot: Replace open-coded nop with macro
ARM: 8893/1: boot: Explain the 8 nops
ARM: 8876/1: fix O= building with CONFIG_FPE_FASTFPE
...
This is some material that we picked up into our tree late or
that had complex inter-depondencies. The fact that there are these
interdependencies tends to meant that these are often actually the most
interesting new additions:
The new Aspeed AST2600 baseboard management controller is added, this
is a Cortex-A7 based follow-up to the ARM11 based AST2500 and had some
dependencies on other device drivers.
After many years, support for the MMP2 based OLPC XO-1.75 finally makes
it into the kernel.
The Armada 3720 based Turris Mox open source router platform is a late
addition and it follows some preparatory work across multiple branches.
The OMAP2+ platform had some large-scale cleanup involving driver
changes and DT changes, here we finish it off, dropping a lot of the
now-unused platform data.
The TI K3 platform that got added for 5.3 gains a lot more support
for individual bits on the SoC, this part just came late for the
merge window.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC late updates from Arnd Bergmann:
"This is some material that we picked up into our tree late or that had
complex inter-depondencies. The fact that there are these
interdependencies tends to meant that these are often actually the
most interesting new additions:
- The new Aspeed AST2600 baseboard management controller is added,
this is a Cortex-A7 based follow-up to the ARM11 based AST2500 and
had some dependencies on other device drivers.
- After many years, support for the MMP2 based OLPC XO-1.75 finally
makes it into the kernel.
- The Armada 3720 based Turris Mox open source router platform is a
late addition and it follows some preparatory work across multiple
branches.
- The OMAP2+ platform had some large-scale cleanup involving driver
changes and DT changes, here we finish it off, dropping a lot of
the now-unused platform data.
- The TI K3 platform that got added for 5.3 gains a lot more support
for individual bits on the SoC, this part just came late for the
merge window"
[ This pull request itself wasn't actually sent late at all by Arnd, but
I waited on the branches that it used to be pulled first, so it ends
up being merged much later than the other ARM SoC pull requests this
merge window - Linus ]
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (57 commits)
ARM: dts: dir685: Drop spi-cpol from the display
ARM: dts: aspeed: Add AST2600 pinmux nodes
ARM: dts: aspeed: Add AST2600 and EVB
ARM: exynos: Enable support for ARM architected timers
ARM: samsung: Fix system restart on S3C6410
ARM: dts: mmp2: add OLPC XO 1.75 machine
ARM: dts: mmp2: rename the USB PHY node
ARM: dts: mmp2: specify reg-shift for the UARTs
ARM: dts: mmp2: add camera interfaces
ARM: dts: mmp2: fix the SPI nodes
ARM: dts: mmp2: trivial whitespace fix
arm64: dts: marvell: add DTS for Turris Mox
dt-bindings: marvell: document Turris Mox compatible
arm64: dts: marvell: armada-37xx: add SPI CS1 pinctrl
arm64: dts: ti: k3-j721e-main: Fix gic-its node unit-address
arm64: dts: ti: k3-am65-main: Fix gic-its node unit-address
arm64: dts: ti: k3-j721e-main: Add hwspinlock node
arm64: dts: ti: k3-am65-main: Add hwspinlock node
arm64: dts: k3-j721e: Add gpio-keys on common processor board
dt-bindings: pinctrl: k3: Introduce pinmux definitions for J721E
...
- add modpost warn exported symbols marked as 'static' because 'static'
and EXPORT_SYMBOL is an odd combination
- break the build early if gold linker is used
- optimize the Bison rule to produce .c and .h files by a single
pattern rule
- handle PREEMPT_RT in the module vermagic and UTS_VERSION
- warn CONFIG options leaked to the user-space except existing ones
- make single targets work properly
- rebuild modules when module linker scripts are updated
- split the module final link stage into scripts/Makefile.modfinal
- fix the missed error code in merge_config.sh
- improve the error message displayed on the attempt of the O= build
in unclean source tree
- remove 'clean-dirs' syntax
- disable -Wimplicit-fallthrough warning for Clang
- add CONFIG_CC_OPTIMIZE_FOR_SIZE_O3 for ARC
- remove ARCH_{CPP,A,C}FLAGS variables
- add $(BASH) to run bash scripts
- change *CFLAGS_<basetarget>.o to take the relative path to $(obj)
instead of the basename
- stop suppressing Clang's -Wunused-function warnings when W=1
- fix linux/export.h to avoid genksyms calculating CRC of trimmed
exported symbols
- misc cleanups
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Merge tag 'kbuild-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- add modpost warn exported symbols marked as 'static' because 'static'
and EXPORT_SYMBOL is an odd combination
- break the build early if gold linker is used
- optimize the Bison rule to produce .c and .h files by a single
pattern rule
- handle PREEMPT_RT in the module vermagic and UTS_VERSION
- warn CONFIG options leaked to the user-space except existing ones
- make single targets work properly
- rebuild modules when module linker scripts are updated
- split the module final link stage into scripts/Makefile.modfinal
- fix the missed error code in merge_config.sh
- improve the error message displayed on the attempt of the O= build in
unclean source tree
- remove 'clean-dirs' syntax
- disable -Wimplicit-fallthrough warning for Clang
- add CONFIG_CC_OPTIMIZE_FOR_SIZE_O3 for ARC
- remove ARCH_{CPP,A,C}FLAGS variables
- add $(BASH) to run bash scripts
- change *CFLAGS_<basetarget>.o to take the relative path to $(obj)
instead of the basename
- stop suppressing Clang's -Wunused-function warnings when W=1
- fix linux/export.h to avoid genksyms calculating CRC of trimmed
exported symbols
- misc cleanups
* tag 'kbuild-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (63 commits)
genksyms: convert to SPDX License Identifier for lex.l and parse.y
modpost: use __section in the output to *.mod.c
modpost: use MODULE_INFO() for __module_depends
export.h, genksyms: do not make genksyms calculate CRC of trimmed symbols
export.h: remove defined(__KERNEL__), which is no longer needed
kbuild: allow Clang to find unused static inline functions for W=1 build
kbuild: rename KBUILD_ENABLE_EXTRA_GCC_CHECKS to KBUILD_EXTRA_WARN
kbuild: refactor scripts/Makefile.extrawarn
merge_config.sh: ignore unwanted grep errors
kbuild: change *FLAGS_<basetarget>.o to take the path relative to $(obj)
modpost: add NOFAIL to strndup
modpost: add guid_t type definition
kbuild: add $(BASH) to run scripts with bash-extension
kbuild: remove ARCH_{CPP,A,C}FLAGS
kbuild,arc: add CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3 for ARC
kbuild: Do not enable -Wimplicit-fallthrough for clang for now
kbuild: clean up subdir-ymn calculation in Makefile.clean
kbuild: remove unneeded '+' marker from cmd_clean
kbuild: remove clean-dirs syntax
kbuild: check clean srctree even earlier
...
Linux supports both the original ARMv6 level (early ARM1136) and ARMv6K
(later ARM1136, ARM1176 and ARM11mpcore).
ast2500 falls into the second categoy, being based on arm1176jzf-s.
This is enabled by default when using ARCH_MULTI_V6, so we should
not 'select CPU_V6'.
Removing this will lead to more efficient use of atomic instructions.
Fixes: 8c2ed9bcfb ("arm: Add Aspeed machine")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Joel Stanley <joel@jms.id.au>
- add dma-mapping and block layer helpers to take care of IOMMU
merging for mmc plus subsequent fixups (Yoshihiro Shimoda)
- rework handling of the pgprot bits for remapping (me)
- take care of the dma direct infrastructure for swiotlb-xen (me)
- improve the dma noncoherent remapping infrastructure (me)
- better defaults for ->mmap, ->get_sgtable and ->get_required_mask (me)
- cleanup mmaping of coherent DMA allocations (me)
- various misc cleanups (Andy Shevchenko, me)
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Merge tag 'dma-mapping-5.4' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- add dma-mapping and block layer helpers to take care of IOMMU merging
for mmc plus subsequent fixups (Yoshihiro Shimoda)
- rework handling of the pgprot bits for remapping (me)
- take care of the dma direct infrastructure for swiotlb-xen (me)
- improve the dma noncoherent remapping infrastructure (me)
- better defaults for ->mmap, ->get_sgtable and ->get_required_mask
(me)
- cleanup mmaping of coherent DMA allocations (me)
- various misc cleanups (Andy Shevchenko, me)
* tag 'dma-mapping-5.4' of git://git.infradead.org/users/hch/dma-mapping: (41 commits)
mmc: renesas_sdhi_internal_dmac: Add MMC_CAP2_MERGE_CAPABLE
mmc: queue: Fix bigger segments usage
arm64: use asm-generic/dma-mapping.h
swiotlb-xen: merge xen_unmap_single into xen_swiotlb_unmap_page
swiotlb-xen: simplify cache maintainance
swiotlb-xen: use the same foreign page check everywhere
swiotlb-xen: remove xen_swiotlb_dma_mmap and xen_swiotlb_dma_get_sgtable
xen: remove the exports for xen_{create,destroy}_contiguous_region
xen/arm: remove xen_dma_ops
xen/arm: simplify dma_cache_maint
xen/arm: use dev_is_dma_coherent
xen/arm: consolidate page-coherent.h
xen/arm: use dma-noncoherent.h calls for xen-swiotlb cache maintainance
arm: remove wrappers for the generic dma remap helpers
dma-mapping: introduce a dma_common_find_pages helper
dma-mapping: always use VM_DMA_COHERENT for generic DMA remap
vmalloc: lift the arm flag for coherent mappings to common code
dma-mapping: provide a better default ->get_required_mask
dma-mapping: remove the dma_declare_coherent_memory export
remoteproc: don't allow modular build
...
Pull crypto updates from Herbert Xu:
"API:
- Add the ability to abort a skcipher walk.
Algorithms:
- Fix XTS to actually do the stealing.
- Add library helpers for AES and DES for single-block users.
- Add library helpers for SHA256.
- Add new DES key verification helper.
- Add surrounding bits for ESSIV generator.
- Add accelerations for aegis128.
- Add test vectors for lzo-rle.
Drivers:
- Add i.MX8MQ support to caam.
- Add gcm/ccm/cfb/ofb aes support in inside-secure.
- Add ofb/cfb aes support in media-tek.
- Add HiSilicon ZIP accelerator support.
Others:
- Fix potential race condition in padata.
- Use unbound workqueues in padata"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (311 commits)
crypto: caam - Cast to long first before pointer conversion
crypto: ccree - enable CTS support in AES-XTS
crypto: inside-secure - Probe transform record cache RAM sizes
crypto: inside-secure - Base RD fetchcount on actual RD FIFO size
crypto: inside-secure - Base CD fetchcount on actual CD FIFO size
crypto: inside-secure - Enable extended algorithms on newer HW
crypto: inside-secure: Corrected configuration of EIP96_TOKEN_CTRL
crypto: inside-secure - Add EIP97/EIP197 and endianness detection
padata: remove cpu_index from the parallel_queue
padata: unbind parallel jobs from specific CPUs
padata: use separate workqueues for parallel and serial work
padata, pcrypt: take CPU hotplug lock internally in padata_alloc_possible
crypto: pcrypt - remove padata cpumask notifier
padata: make padata_do_parallel find alternate callback CPU
workqueue: require CPU hotplug read exclusion for apply_workqueue_attrs
workqueue: unconfine alloc/apply/free_workqueue_attrs()
padata: allocate workqueue internally
arm64: dts: imx8mq: Add CAAM node
random: Use wait_event_freezable() in add_hwgenerator_randomness()
crypto: ux500 - Fix COMPILE_TEST warnings
...
Here is the big set of USB patches for 5.4-rc1.
Two major chunks of code are moving out of the tree and into the staging
directory, uwb and wusb (wireless USB support), because there are no
devices that actually use this protocol anymore, and what we have today
probably doesn't work at all given that the maintainers left many many
years ago. So move it to staging where it will be removed in a few
releases if no one screams.
Other than that, lots of little things. The usual gadget and xhci and
usb serial driver updates, along with a bunch of sysfs file cleanups due
to the driver core changes to support that. Nothing really major, just
constant forward progress.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here is the big set of USB patches for 5.4-rc1.
Two major chunks of code are moving out of the tree and into the
staging directory, uwb and wusb (wireless USB support), because there
are no devices that actually use this protocol anymore, and what we
have today probably doesn't work at all given that the maintainers
left many many years ago. So move it to staging where it will be
removed in a few releases if no one screams.
Other than that, lots of little things. The usual gadget and xhci and
usb serial driver updates, along with a bunch of sysfs file cleanups
due to the driver core changes to support that. Nothing really major,
just constant forward progress.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (159 commits)
USB: usbcore: Fix slab-out-of-bounds bug during device reset
usb: cdns3: Remove redundant dev_err call in cdns3_probe()
USB: rio500: Fix lockdep violation
USB: rio500: simplify locking
usb: mtu3: register a USB Role Switch for dual role mode
usb: common: add USB GPIO based connection detection driver
usb: common: create Kconfig file
usb: roles: get usb-role-switch from parent
usb: roles: Add fwnode_usb_role_switch_get() function
device connection: Add fwnode_connection_find_match()
usb: roles: Introduce stubs for the exiting functions in role.h
dt-bindings: usb: mtu3: add properties about USB Role Switch
dt-bindings: usb: add binding for USB GPIO based connection detection driver
dt-bindings: connector: add optional properties for Type-B
dt-binding: usb: add usb-role-switch property
usbip: Implement SG support to vhci-hcd and stub driver
usb: roles: intel: Enable static DRD mode for role switch
xhci-ext-caps.c: Add property to disable Intel SW switch
usb: dwc3: remove generic PHY calibrate() calls
usb: core: phy: add support for PHY calibration
...
* ARM: ITS translation cache; support for 512 vCPUs, various cleanups
and bugfixes
* PPC: various minor fixes and preparation
* x86: bugfixes all over the place (posted interrupts, SVM, emulation
corner cases, blocked INIT), some IPI optimizations
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini:
"s390:
- ioctl hardening
- selftests
ARM:
- ITS translation cache
- support for 512 vCPUs
- various cleanups and bugfixes
PPC:
- various minor fixes and preparation
x86:
- bugfixes all over the place (posted interrupts, SVM, emulation
corner cases, blocked INIT)
- some IPI optimizations"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (75 commits)
KVM: X86: Use IPI shorthands in kvm guest when support
KVM: x86: Fix INIT signal handling in various CPU states
KVM: VMX: Introduce exit reason for receiving INIT signal on guest-mode
KVM: VMX: Stop the preemption timer during vCPU reset
KVM: LAPIC: Micro optimize IPI latency
kvm: Nested KVM MMUs need PAE root too
KVM: x86: set ctxt->have_exception in x86_decode_insn()
KVM: x86: always stop emulation on page fault
KVM: nVMX: trace nested VM-Enter failures detected by H/W
KVM: nVMX: add tracepoint for failed nested VM-Enter
x86: KVM: svm: Fix a check in nested_svm_vmrun()
KVM: x86: Return to userspace with internal error on unexpected exit reason
KVM: x86: Add kvm_emulate_{rd,wr}msr() to consolidate VXM/SVM code
KVM: x86: Refactor up kvm_{g,s}et_msr() to simplify callers
doc: kvm: Fix return description of KVM_SET_MSRS
KVM: X86: Tune PLE Window tracepoint
KVM: VMX: Change ple_window type to unsigned int
KVM: X86: Remove tailing newline for tracepoints
KVM: X86: Trace vcpu_id for vmexit
KVM: x86: Manually calculate reserved bits when loading PDPTRS
...
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Merge tag 'media/v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- a new sensor driver for ov5675
- a new platform driver for Allwinner A10 sensor interface
- some new remote controller keymaps
- some cosmetic changes at V4L2 core in order to avoid #ifdefs and to
merge two core modules into one
- removal of bcm2048 radio driver from staging
- removal of davinci_vpfe video driver from staging
- regression fix since Kernel 5.1 at the legacy VideoBuffer version 1
core
- added some documentation for remote controller protocols
- pixel format documentation was split on two files
- lots of other driver improvements and cleanups
* tag 'media/v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (321 commits)
media: videobuf-core.c: poll_wait needs a non-NULL buf pointer
media: sun4i: Make sun4i_csi_formats static
media: imx: remove unused including <linux/version.h>
media: stm32-dcmi: Delete an unnecessary of_node_put() call in dcmi_probe()
media: pvrusb2: qctrl.flag will be uninitlaized if cx2341x_ctrl_query() returns error code
media: em28xx: Fix exception handling in em28xx_alloc_urbs()
media: don't do a 31 bit shift on a signed int
media: use the BIT() macro
media: ov9650: add a sanity check
media: aspeed-video: address a protential usage of an unitialized var
media: vicodec: make life easier for static analyzers
media: remove include stdarg.h from some drivers
v4l2-core: fix coding style for the two new c files
media: v4l2-core: Remove BUG() from i2c and spi helpers
media: v4l2-core: introduce a helper to unregister a i2c subdev
media: v4l2-core: introduce a helper to unregister a spi subdev
media: v4l2-core: move i2c helpers out of v4l2-common.c
media: v4l2-core: move spi helpers out of v4l2-common.c
media: v4l2-core: Module re-organization
media: usbvision: Remove dead code
...
As shown in diffstat and logs, it was again a busy development
cycle at this time, too. The most significant changes are still
on-going refactoring / modernization works for ASoC core and
drivers, but there are lots of other changes as well. Here we go,
some highlights below:
ASoC:
- Quite lots of cleanup / refactoring of ASoC core and APIs;
most of them are systematic, but also including cleanups and
modernization
- A bulk of updates for some ASoC platforms, Freescale, sunxi and
Intel SST/SOF
- Initial support for Sound Open Firmware on i.MX8
- Removal of deprecated w90x900 and nuc900 drivers
- New support for Cirrus Logic CS47L15 and CS47L92, Freescale i.MX
7ULP and 8MQ, Meson G12A and NXP UDA1334
USB-audio:
- More validations of descriptor units for hardening against bugs
reported by fuzzers
- PCM device assignment workaround for a past call-order change
- Scarlett Gen2 mixer interface, a few more more quirks
HD-audio:
- Support for audio component with AMD/ATI and Nvidia HDMI codecs
- Clean up HD-audio core and remove indirect access ops for Intel SOF
- DMIC detection at probe; it would make systems automatically falling
back to SST/SOF driver on devices that need DMIC handling.
Needs a new Kconfig to set, and beware that it's still new and a bit
experimental
FireWire:
- Lots of code refactoring and cleanups
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Merge tag 'sound-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"As shown in diffstat and logs, it was again a busy development cycle
at this time, too. The most significant changes are still on-going
refactoring / modernization works for ASoC core and drivers, but there
are lots of other changes as well. Here we go, some highlights below:
ASoC:
- Quite a lot of cleanup / refactoring of ASoC core and APIs; most of
them are systematic, but also including cleanups and modernization
- A bulk of updates for some ASoC platforms, Freescale, sunxi and
Intel SST/SOF
- Initial support for Sound Open Firmware on i.MX8
- Removal of deprecated w90x900 and nuc900 drivers
- New support for Cirrus Logic CS47L15 and CS47L92, Freescale i.MX
7ULP and 8MQ, Meson G12A and NXP UDA1334
USB-audio:
- More validations of descriptor units for hardening against bugs
reported by fuzzers
- PCM device assignment workaround for a past call-order change
- Scarlett Gen2 mixer interface, a few more more quirks
HD-audio:
- Support for audio component with AMD/ATI and Nvidia HDMI codecs
- Clean up HD-audio core and remove indirect access ops for Intel SOF
- DMIC detection at probe; it would make systems automatically
falling back to SST/SOF driver on devices that need DMIC handling.
Needs a new Kconfig to set, and beware that it's still new and a
bit experimental
FireWire:
- Lots of code refactoring and cleanups"
* tag 'sound-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (521 commits)
ASoC: sdm845: remove unneeded semicolon
ASoC: fsl_sai: Implement set_bclk_ratio
ASoC: dmaengine: Replace strncpy() with strscpy_pad() for pcm->name
ASoC: wcd9335: remove redundant use of ret variable
ALSA: firewire-tascam: check intermediate state of clock status and retry
ALSA: firewire-tascam: handle error code when getting current source of clock
ASoC: hdmi-codec: Add an op to set callback function for plug event
ASoC: rt5677: keep analog power register at SND_SOC_BIAS_OFF
ASoC: rt5677: Remove magic number register writes
ASoC: soc-core: self contained soc_unbind_aux_dev()
ASoC: soc-core: add soc_unbind_aux_dev()
ASoC: soc-core: self contained soc_bind_aux_dev()
ASoC: soc-core: move soc_probe_link_dais() next to soc_remove_link_dais()
ASoC: soc-core: self contained soc_probe_link_dais()
ASoC: soc-core: add new soc_link_init()
ASoC: soc-core: move soc_probe_dai() next to soc_remove_dai()
ASoC: soc-core: self contained soc_remove_link_dais()
ASoC: soc-core: self contained soc_remove_link_components()
ASoC: soc-core: self contained soc_probe_link_components()
ASoC: rt1308: make array pd static const, makes object smaller
...
Pull core irq updates from Thomas Gleixner:
"Updates from the irq departement:
- Update the interrupt spreading code so it handles numa node with
different CPU counts properly.
- A large overhaul of the ARM GiCv3 driver to support new PPI and SPI
ranges.
- Conversion of all alloc_fwnode() users to use physical addresses
instead of virtual addresses so the virtual addresses are not
leaked. The physical address is sufficient to identify the
associated interrupt chip.
- Add support for Marvel MMP3, Amlogic Meson SM1 interrupt chips.
- Enforce interrupt threading at compile time if RT is enabled.
- Small updates and improvements all over the place"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (37 commits)
irqchip/gic-v3-its: Fix LPI release for Multi-MSI devices
irqchip/uniphier-aidet: Use devm_platform_ioremap_resource()
irqdomain: Add the missing assignment of domain->fwnode for named fwnode
irqchip/mmp: Coexist with GIC root IRQ controller
irqchip/mmp: Mask off interrupts from other cores
irqchip/mmp: Add missing chained_irq_{enter,exit}()
irqchip/mmp: Do not use of_address_to_resource() to get mux regs
irqchip/meson-gpio: Add support for meson sm1 SoCs
dt-bindings: interrupt-controller: New binding for the meson sm1 SoCs
genirq/affinity: Remove const qualifier from node_to_cpumask argument
genirq/affinity: Spread vectors on node according to nr_cpu ratio
genirq/affinity: Improve __irq_build_affinity_masks()
irqchip: Remove dev_err() usage after platform_get_irq()
irqchip: Add include guard to irq-partition-percpu.h
irqchip/mmp: Do not call irq_set_default_host() on DT platforms
irqchip/gic-v3-its: Remove the redundant set_bit for lpi_map
irqchip/gic-v3: Add quirks for HIP06/07 invalid GICD_TYPER erratum 161010803
irqchip/gic: Skip DT quirks when evaluating IIDR-based quirks
irqchip/gic-v3: Warn about inconsistent implementations of extended ranges
irqchip/gic-v3: Add EPPI range support
...
Pull RCU updates from Ingo Molnar:
"This cycle's RCU changes were:
- A few more RCU flavor consolidation cleanups.
- Updates to RCU's list-traversal macros improving lockdep usability.
- Forward-progress improvements for no-CBs CPUs: Avoid ignoring
incoming callbacks during grace-period waits.
- Forward-progress improvements for no-CBs CPUs: Use ->cblist
structure to take advantage of others' grace periods.
- Also added a small commit that avoids needlessly inflicting
scheduler-clock ticks on callback-offloaded CPUs.
- Forward-progress improvements for no-CBs CPUs: Reduce contention on
->nocb_lock guarding ->cblist.
- Forward-progress improvements for no-CBs CPUs: Add ->nocb_bypass
list to further reduce contention on ->nocb_lock guarding ->cblist.
- Miscellaneous fixes.
- Torture-test updates.
- minor LKMM updates"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (86 commits)
MAINTAINERS: Update from paulmck@linux.ibm.com to paulmck@kernel.org
rcu: Don't include <linux/ktime.h> in rcutiny.h
rcu: Allow rcu_do_batch() to dynamically adjust batch sizes
rcu/nocb: Don't wake no-CBs GP kthread if timer posted under overload
rcu/nocb: Reduce __call_rcu_nocb_wake() leaf rcu_node ->lock contention
rcu/nocb: Reduce nocb_cb_wait() leaf rcu_node ->lock contention
rcu/nocb: Advance CBs after merge in rcutree_migrate_callbacks()
rcu/nocb: Avoid synchronous wakeup in __call_rcu_nocb_wake()
rcu/nocb: Print no-CBs diagnostics when rcutorture writer unduly delayed
rcu/nocb: EXP Check use and usefulness of ->nocb_lock_contended
rcu/nocb: Add bypass callback queueing
rcu/nocb: Atomic ->len field in rcu_segcblist structure
rcu/nocb: Unconditionally advance and wake for excessive CBs
rcu/nocb: Reduce ->nocb_lock contention with separate ->nocb_gp_lock
rcu/nocb: Reduce contention at no-CBs invocation-done time
rcu/nocb: Reduce contention at no-CBs registry-time CB advancement
rcu/nocb: Round down for number of no-CBs grace-period kthreads
rcu/nocb: Avoid ->nocb_lock capture by corresponding CPU
rcu/nocb: Avoid needless wakeups of no-CBs grace-period kthread
rcu/nocb: Make __call_rcu_nocb_wake() safe for many callbacks
...
This is another huge branch with close to 450 changessets related to
devicetree files, roughly half of this for 32-bit and 64-bit respectively.
There are lots of cleanups and additional hardware support for platforms
we already support based on SoCs from Renesas, ST-Microelectronics,
Intel/Altera, Rockchips, Allwinner, Broadcom and other manufacturers.
A total of 6 new SoCs and 37 new boards gets added this time, one more
SoC will come in a follow-up branch. Most of the new boards are for
64-bit ARM SoCs, the others are typically for the 32-bit Cortex-A7.
Going more into details for SoC platforms with new hardware support:
The Snapdragon 855 (SM8150) is Qualcomm's current high-end phone platform,
usually paired with an external 5G modem. So far we only support the
Qualcomm SM8150 MTP reference platform, but no actual products.
For the slightly older Qualcomm platforms, support for several interesting
products is getting added: Three laptops based on Snapdragon 835/MSM8998
(Asus NovaGo, HP Envy X2 and Lenovo Miix 630), one laptop based on
Snapdragon 850/sdm850 (Lenovo Yoga C630) and several phones based on
the older Snapdragon 410/MSM8916 (Samsung A3 and A5, Longcheer L8150
aka Android One 2nd gen "seed" aka Wileyfox Swift).
Mediatek MT7629 is a new wireless network router chip, similar to
the older MT7623. It gets added together with the reference board
implementation.
Allwinner V3 is a repackaged version of the existing low-end V3s chip,
and is used in the tiny Lichee Pi Zero plus, also added here. There is
also a new TV set-top box based on Allwinner H6, the Tanix TX6, and the
eMMC variant of the Olimex A64-Olinuxino development board.
NXP i.MX8M Nano is a new member of the ever-expanding i.MX SoC family,
similar to the i.MX8M Mini. As usual, there is a large number of new
boards for i.MX SoCs: Einfochips i.MX8QXP AI_ML, SolidRun Hummingboard
Pulse baseboard and System-on-Module, Boundary Devices i.MX8MQ Nitrogen8M,
and TechNexion PICO-PI-IMX8M-DEV for the 64-bit i.MX8 line. For 32-bit,
we get the Kontron i.MX6UL N6310 SoM with two baseboards, the PHYTEC
phyBOARD-Segin SoM with three baseboards, and the Zodiac Inflight
Innovations i.MX7 RMU2 board.
In a different NXP product line, the Layerscape LS1046A "Freeway"
reference board gets added.
Amlogic SM1 (S905X3) and G12B (S922X, A311D) are updated chips from their
set-top-box line and smart speaker with newer CPU and GPU cores compared
to their predecessors. Both are now also supported by the Khadas VIM3
development board series, and the dts files for that get reorganized a
bit to better deal with all variants. Another board based on SM1 that
gets added is the SEI Robotics SEI610.
There are a handful of new x86 and Power9 server boards using Aspeed BMC
chips that are gaining support for running Linux on the BMC through the
OpenBMC project: Facebook Minipack/Wedge100/Wedge40, Lenovo Hr855xg2,
and Mihawk. Notably these are still new machines using SoCs based on
the ARM9 and ARM11 CPU cores, as support for the new Cortex-A7 based
AST2600 is still ramping up.
There are three new end-user products using 32-bit Rockchips SoCs:
Mecer Xtreme Mini S6 is an Android "mini PC" box based on the low-end
RK3229 chip, while the two AOpen products Chromebox Mini (Fievel) and
Chromebase Mini (Tiger) run ChromeOS and are meant for commercial settings
(digital signage, PoS, ...).
One more single-board computer based on the popular 64-bit RK3399 is
added: the Leez RK3399 P710.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM DT updates from Arnd Bergmann:
"This is another huge branch with close to 450 changessets related to
devicetree files, roughly half of this for 32-bit and 64-bit
respectively. There are lots of cleanups and additional hardware
support for platforms we already support based on SoCs from Renesas,
ST-Microelectronics, Intel/Altera, Rockchips, Allwinner, Broadcom and
other manufacturers.
A total of 6 new SoCs and 37 new boards gets added this time, one more
SoC will come in a follow-up branch. Most of the new boards are for
64-bit ARM SoCs, the others are typically for the 32-bit Cortex-A7.
Going more into details for SoC platforms with new hardware support:
- The Snapdragon 855 (SM8150) is Qualcomm's current high-end phone
platform, usually paired with an external 5G modem. So far we only
support the Qualcomm SM8150 MTP reference platform, but no actual
products.
- For the slightly older Qualcomm platforms, support for several
interesting products is getting added: Three laptops based on
Snapdragon 835/MSM8998 (Asus NovaGo, HP Envy X2 and Lenovo Miix
630), one laptop based on Snapdragon 850/sdm850 (Lenovo Yoga C630)
and several phones based on the older Snapdragon 410/MSM8916
(Samsung A3 and A5, Longcheer L8150 aka Android One 2nd gen "seed"
aka Wileyfox Swift).
- Mediatek MT7629 is a new wireless network router chip, similar to
the older MT7623. It gets added together with the reference board
implementation.
- Allwinner V3 is a repackaged version of the existing low-end V3s
chip, and is used in the tiny Lichee Pi Zero plus, also added here.
There is also a new TV set-top box based on Allwinner H6, the Tanix
TX6, and the eMMC variant of the Olimex A64-Olinuxino development
board.
- NXP i.MX8M Nano is a new member of the ever-expanding i.MX SoC
family, similar to the i.MX8M Mini. As usual, there is a large
number of new boards for i.MX SoCs: Einfochips i.MX8QXP AI_ML,
SolidRun Hummingboard Pulse baseboard and System-on-Module,
Boundary Devices i.MX8MQ Nitrogen8M, and TechNexion
PICO-PI-IMX8M-DEV for the 64-bit i.MX8 line. For 32-bit, we get the
Kontron i.MX6UL N6310 SoM with two baseboards, the PHYTEC
phyBOARD-Segin SoM with three baseboards, and the Zodiac Inflight
Innovations i.MX7 RMU2 board.
- In a different NXP product line, the Layerscape LS1046A "Freeway"
reference board gets added.
- Amlogic SM1 (S905X3) and G12B (S922X, A311D) are updated chips from
their set-top-box line and smart speaker with newer CPU and GPU
cores compared to their predecessors. Both are now also supported
by the Khadas VIM3 development board series, and the dts files for
that get reorganized a bit to better deal with all variants.
Another board based on SM1 that gets added is the SEI Robotics
SEI610.
- There are a handful of new x86 and Power9 server boards using
Aspeed BMC chips that are gaining support for running Linux on the
BMC through the OpenBMC project: Facebook
Minipack/Wedge100/Wedge40, Lenovo Hr855xg2, and Mihawk. Notably
these are still new machines using SoCs based on the ARM9 and ARM11
CPU cores, as support for the new Cortex-A7 based AST2600 is still
ramping up.
- There are three new end-user products using 32-bit Rockchips SoCs:
Mecer Xtreme Mini S6 is an Android "mini PC" box based on the
low-end RK3229 chip, while the two AOpen products Chromebox Mini
(Fievel) and Chromebase Mini (Tiger) run ChromeOS and are meant for
commercial settings(digital signage, PoS, ...).
- One more single-board computer based on the popular 64-bit RK3399
is added: the Leez RK3399 P710"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (467 commits)
arm64: dts: qcom: Add Lenovo Yoga C630
ARM: dts: aspeed-g5: Fixe gpio-ranges upper limit
ARM; dts: aspeed: mihawk: File should not be executable
ARM: dts: aspeed: swift: Change power supplies to version 2
ARM: dts: aspeed: vesnin: Add secondary SPI flash chip
ARM: dts: aspeed: vesnin: Add wdt2 with alt-boot option
ARM: dts: aspeed-g4: Add all flash chips
ARM: dts: exynos: Enable GPU/Mali T604 on Arndale board
ARM: dts: exynos: Enable GPU/Mali T604 on Chromebook Snow
ARM: dts: exynos: Add GPU/Mali T604 node to Exynos5250
ARM: dts: exynos: Fix min/max buck4 for GPU on Arndale board
ARM: dts: exynos: Mark LDO10 as always-on on Peach Pit/Pi Chromebooks
ARM: dts: exynos: Remove not accurate secondary ADC compatible
arm64: dts: rockchip: limit clock rate of MMC controllers for RK3328
arm64: dts: meson-sm1-sei610: add stdout-path property back
arm64: dts: meson-sm1-sei610: enable DVFS
arm64: dts: khadas-vim3: add support for the SM1 based VIM3L
dt-bindings: arm: amlogic: add Amlogic SM1 based Khadas VIM3L bindings
arm64: dts: khadas-vim3: move common nodes into meson-khadas-vim3.dtsi
arm64: dts: meson: g12a: add reset to tdm formatters
...
As usual, a bunch of commits, mostly adding drivers and other
options to defconfigs after the code was merged through another
tree.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC defconfig updates from Arnd Bergmann:
"As usual, a bunch of commits, mostly adding drivers and other options
to defconfigs after the code was merged through another tree"
* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (32 commits)
arm64: defconfig: Enable Qualcomm QUSB2 PHY
arm64: defconfig: Enable the EFI Framebuffer
arm64: defconfig: Enable Qualcomm GENI based I2C controller
ARM: multi_v7_defconfig: Make MAX77802 regulator driver built-in
arm64: defconfig: Enable CPU clock drivers for Qualcomm msm8916
arm64: defconfig: Add DRM_MSM to defconfigs with ARCH_QCOM
ARM: multi_v7_defconfig: Add DRM_MSM to defconfigs with ARCH_QCOM
ARM: qcom_defconfig: Add DRM_MSM to defconfigs with ARCH_QCOM
ARM: configs: aspeed_g5: Enable AST2600
ARM: configs: multi_v7: Add ASPEED G6
arm64: defconfig: Enable SM8150 GCC and pinctrl driver
arm64: defconfig: Enable CONFIG_ACPI_APEI_PCIEAER
arm64: defconfig: Enable the DesignWare watchdog
ARM: multi_v7_defconfig: Enable SPI_STM32_QSPI support
ARM: imx_v6_v7_defconfig: Enable the PSCI CPUidle driver
arm64: defconfig: Enable the PSCI CPUidle driver
arm64: defconfig: Enable Sun4i SPDIF module
ARM: exynos_defconfig: Enable AHCI-platform SATA driver
arm64: defconfig: CONFIG_DRM_ETNAVIV=m
ARM: imx_v6_v7_defconfig: Select the OV5645 camera driver
...
The branch contains driver changes that are tightly
connected to SoC specific code. Aside from smaller
cleanups and bug fixes, here is a list of the notable
changes.
New device drivers:
- The Turris Mox router has a new "moxtet" bus driver
for its on-board pluggable extension bus. The
same platform also gains a firmware driver.
- The Samsung Exynos family gains a new Chipid driver
exporting using the soc device sysfs interface
- A similar socinfo driver for Qualcomm Snapdragon
chips.
- A firmware driver for the NXP i.MX DSP IPC protocol
using shared memory and a mailbox
Other changes:
- The i.MX reset controller driver now supports the
NXP i.MX8MM chip
- Amlogic SoC specific drivers gain support for
the S905X3 and A311D chips
- A rework of the TI Davinci framebuffer driver to
allow important cleanups in the platform code
- A couple of device drivers for removed ARM SoC
platforms are removed. Most of the removals were
picked up by other maintainers, this contains
whatever was left.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"This contains driver changes that are tightly connected to SoC
specific code. Aside from smaller cleanups and bug fixes, here is a
list of the notable changes.
New device drivers:
- The Turris Mox router has a new "moxtet" bus driver for its
on-board pluggable extension bus. The same platform also gains a
firmware driver.
- The Samsung Exynos family gains a new Chipid driver exporting using
the soc device sysfs interface
- A similar socinfo driver for Qualcomm Snapdragon chips.
- A firmware driver for the NXP i.MX DSP IPC protocol using shared
memory and a mailbox
Other changes:
- The i.MX reset controller driver now supports the NXP i.MX8MM chip
- Amlogic SoC specific drivers gain support for the S905X3 and A311D
chips
- A rework of the TI Davinci framebuffer driver to allow important
cleanups in the platform code
- A couple of device drivers for removed ARM SoC platforms are
removed. Most of the removals were picked up by other maintainers,
this contains whatever was left"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (123 commits)
bus: uniphier-system-bus: use devm_platform_ioremap_resource()
soc: ti: ti_sci_pm_domains: Add support for exclusive and shared access
dt-bindings: ti_sci_pm_domains: Add support for exclusive and shared access
firmware: ti_sci: Allow for device shared and exclusive requests
bus: imx-weim: remove incorrect __init annotations
fbdev: remove w90x900/nuc900 platform drivers
spi: remove w90x900 driver
net: remove w90p910-ether driver
net: remove ks8695 driver
firmware: turris-mox-rwtm: Add sysfs documentation
firmware: Add Turris Mox rWTM firmware driver
dt-bindings: firmware: Document cznic,turris-mox-rwtm binding
bus: moxtet: fix unsigned comparison to less than zero
bus: moxtet: remove set but not used variable 'dummy'
ARM: scoop: Use the right include
dt-bindings: power: add Amlogic Everything-Else power domains bindings
soc: amlogic: Add support for Everything-Else power domains controller
fbdev: da8xx: use resource management for dma
fbdev: da8xx-fb: drop a redundant if
fbdev: da8xx-fb: use devm_platform_ioremap_resource()
...
The main change this time around is a cleanup of some of the oldest
platforms based on the XScale and ARM9 CPU cores, which are between 10
and 20 years old.
The Kendin/Micrel/Microchip KS8695, Winbond/Nuvoton W90x900 and Intel
IOP33x/IOP13xx platforms are removed after we determined that nobody is
using them any more.
The TI Davinci and NXP LPC32xx platforms on the other hand are still in
active use and are converted to the ARCH_MULTIPLATFORM build, meaning
that we can compile a kernel that works on these along with most other
ARMv5 platforms. Changes toward that goal are also merged for IOP32x,
but additional work is needed to complete this. Patches for the
remaining ARMv5 platforms have started but need more work and some
testing.
Support for the new ASpeed AST2600 gets added, this is based on the
Cortex-A7 ARMv7 core, and is a newer version of the existing ARMv5 and
ARMv6 chips in the same family.
Other changes include a cleanup of the ST-Ericsson ux500 platform
and the move of the TI Davinci platform to a new clocksource driver.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform updates from Arnd Bergmann:
"The main change this time around is a cleanup of some of the oldest
platforms based on the XScale and ARM9 CPU cores, which are between 10
and 20 years old.
The Kendin/Micrel/Microchip KS8695, Winbond/Nuvoton W90x900 and Intel
IOP33x/IOP13xx platforms are removed after we determined that nobody
is using them any more.
The TI Davinci and NXP LPC32xx platforms on the other hand are still
in active use and are converted to the ARCH_MULTIPLATFORM build,
meaning that we can compile a kernel that works on these along with
most other ARMv5 platforms. Changes toward that goal are also merged
for IOP32x, but additional work is needed to complete this. Patches
for the remaining ARMv5 platforms have started but need more work and
some testing.
Support for the new ASpeed AST2600 gets added, this is based on the
Cortex-A7 ARMv7 core, and is a newer version of the existing ARMv5 and
ARMv6 chips in the same family.
Other changes include a cleanup of the ST-Ericsson ux500 platform and
the move of the TI Davinci platform to a new clocksource driver"
[ The changes had marked INTEL_IOP_ADMA and USB_LPC32XX as being
buildable on other platforms through COMPILE_TEST, but that causes new
warnings that I most definitely do not want to see during the merge
window as that could hide other issues.
So the COMPILE_TEST option got disabled for them again - Linus ]
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (61 commits)
ARM: multi_v5_defconfig: make DaVinci part of the ARM v5 multiplatform build
ARM: davinci: support multiplatform build for ARM v5
arm64: exynos: Enable exynos-chipid driver
ARM: OMAP2+: Delete an unnecessary kfree() call in omap_hsmmc_pdata_init()
ARM: OMAP2+: move platform-specific asm-offset.h to arch/arm/mach-omap2
ARM: davinci: dm646x: Fix a typo in the comment
ARM: davinci: dm646x: switch to using the clocksource driver
ARM: davinci: dm644x: switch to using the clocksource driver
ARM: aspeed: Enable SMP boot
ARM: aspeed: Add ASPEED AST2600 architecture
ARM: aspeed: Select timer in each SoC
dt-bindings: arm: cpus: Add ASPEED SMP
ARM: imx: stop adjusting ar8031 phy tx delay
mailmap: map old company name to new one @microchip.com
MAINTAINERS: at91: remove the TC entry
MAINTAINERS: at91: Collect all pinctrl/gpio drivers in same entry
ARM: at91: move platform-specific asm-offset.h to arch/arm/mach-at91
MAINTAINERS: Extend patterns for Samsung SoC, Security Subsystem and clock drivers
ARM: s3c64xx: squash samsung_usb_phy.h into setup-usb-phy.c
ARM: debug-ll: Add support for r7s9210
...
- 52-bit virtual addressing in the kernel
- New ABI to allow tagged user pointers to be dereferenced by syscalls
- Early RNG seeding by the bootloader
- Improve robustness of SMP boot
- Fix TLB invalidation in light of recent architectural clarifications
- Support for i.MX8 DDR PMU
- Remove direct LSE instruction patching in favour of static keys
- Function error injection using kprobes
- Support for the PPTT "thread" flag introduced by ACPI 6.3
- Move PSCI idle code into proper cpuidle driver
- Relaxation of implicit I/O memory barriers
- Build with RELR relocations when toolchain supports them
- Numerous cleanups and non-critical fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"Although there isn't tonnes of code in terms of line count, there are
a fair few headline features which I've noted both in the tag and also
in the merge commits when I pulled everything together.
The part I'm most pleased with is that we had 35 contributors this
time around, which feels like a big jump from the usual small group of
core arm64 arch developers. Hopefully they all enjoyed it so much that
they'll continue to contribute, but we'll see.
It's probably worth highlighting that we've pulled in a branch from
the risc-v folks which moves our CPU topology code out to where it can
be shared with others.
Summary:
- 52-bit virtual addressing in the kernel
- New ABI to allow tagged user pointers to be dereferenced by
syscalls
- Early RNG seeding by the bootloader
- Improve robustness of SMP boot
- Fix TLB invalidation in light of recent architectural
clarifications
- Support for i.MX8 DDR PMU
- Remove direct LSE instruction patching in favour of static keys
- Function error injection using kprobes
- Support for the PPTT "thread" flag introduced by ACPI 6.3
- Move PSCI idle code into proper cpuidle driver
- Relaxation of implicit I/O memory barriers
- Build with RELR relocations when toolchain supports them
- Numerous cleanups and non-critical fixes"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (114 commits)
arm64: remove __iounmap
arm64: atomics: Use K constraint when toolchain appears to support it
arm64: atomics: Undefine internal macros after use
arm64: lse: Make ARM64_LSE_ATOMICS depend on JUMP_LABEL
arm64: asm: Kill 'asm/atomic_arch.h'
arm64: lse: Remove unused 'alt_lse' assembly macro
arm64: atomics: Remove atomic_ll_sc compilation unit
arm64: avoid using hard-coded registers for LSE atomics
arm64: atomics: avoid out-of-line ll/sc atomics
arm64: Use correct ll/sc atomic constraints
jump_label: Don't warn on __exit jump entries
docs/perf: Add documentation for the i.MX8 DDR PMU
perf/imx_ddr: Add support for AXI ID filtering
arm64: kpti: ensure patched kernel text is fetched from PoU
arm64: fix fixmap copy for 16K pages and 48-bit VA
perf/smmuv3: Validate groups for global filtering
perf/smmuv3: Validate group size
arm64: Relax Documentation/arm64/tagged-pointers.rst
arm64: kvm: Replace hardcoded '1' with SYS_PAR_EL1_F
arm64: mm: Ignore spurious translation faults taken from the kernel
...
Including:
- Batched unmap support for the IOMMU-API
- Support for unlocked command queueing in the ARM-SMMU driver
- Rework the ATS support in the ARM-SMMU driver
- More refactoring in the ARM-SMMU driver to support hardware
implemention specific quirks and errata
- Bounce buffering DMA-API implementatation in the Intel VT-d driver
for untrusted devices (like Thunderbolt devices)
- Fixes for runtime PM support in the OMAP iommu driver
- MT8183 IOMMU support in the Mediatek IOMMU driver
- Rework of the way the IOMMU core sets the default domain type for
groups. Changing the default domain type on x86 does not require two
kernel parameters anymore.
- More smaller fixes and cleanups
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Merge tag 'iommu-updates-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- batched unmap support for the IOMMU-API
- support for unlocked command queueing in the ARM-SMMU driver
- rework the ATS support in the ARM-SMMU driver
- more refactoring in the ARM-SMMU driver to support hardware
implemention specific quirks and errata
- bounce buffering DMA-API implementatation in the Intel VT-d driver
for untrusted devices (like Thunderbolt devices)
- fixes for runtime PM support in the OMAP iommu driver
- MT8183 IOMMU support in the Mediatek IOMMU driver
- rework of the way the IOMMU core sets the default domain type for
groups. Changing the default domain type on x86 does not require two
kernel parameters anymore.
- more smaller fixes and cleanups
* tag 'iommu-updates-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (113 commits)
iommu/vt-d: Declare Broadwell igfx dmar support snafu
iommu/vt-d: Add Scalable Mode fault information
iommu/vt-d: Use bounce buffer for untrusted devices
iommu/vt-d: Add trace events for device dma map/unmap
iommu/vt-d: Don't switch off swiotlb if bounce page is used
iommu/vt-d: Check whether device requires bounce buffer
swiotlb: Split size parameter to map/unmap APIs
iommu/omap: Mark pm functions __maybe_unused
iommu/ipmmu-vmsa: Disable cache snoop transactions on R-Car Gen3
iommu/ipmmu-vmsa: Move IMTTBCR_SL0_TWOBIT_* to restore sort order
iommu: Don't use sme_active() in generic code
iommu/arm-smmu-v3: Fix build error without CONFIG_PCI_ATS
iommu/qcom: Use struct_size() helper
iommu: Remove wrong default domain comments
iommu/dma: Fix for dereferencing before null checking
iommu/mediatek: Clean up struct mtk_smi_iommu
memory: mtk-smi: Get rid of need_larbid
iommu/mediatek: Fix VLD_PA_RNG register backup when suspend
memory: mtk-smi: Add bus_sel for mt8183
memory: mtk-smi: Invoke pm runtime_callback to enable clocks
...
v5.4 kernel cycle.
Core changes:
- Support hierarchical GPIO irqchips. We now have three
consumers that can use this: Intel IXP4xx, ThunderX and
Qualcomm SPMI GPIO (in the pinctrl subsystem). The support
code has been long in the making and hashed out so it should
be easily adaptable for all hierarchical irqchip parents.
The code only gets compiled in if hierarchical irqchip
is used at the topmost irq controller at least, as the
hierarchical irqchip requires strict hierarchy all the
way up in the system.
- Determine the need for a "valid_mask" for GPIO lines on the
gpio_chip and conversely for the "valid_mask" for the GPIO
interrupt chip interrupt lines by looking for a
.init_valid_mask() callback in the main chip or GPIO interrupt
chip respectively. Allocate it with bitmap_alloc().
- Isolate the device tree/open firmware GPIO description code
out in its own file properly.
- Isolate the ACPI GPIO description code out in its own file
properly.
- Drop a whole lot of #ifdef:s in the main includes: it does
not hurt to keep the include items around, and we get
quicker and clearer compile failures if the appropriate
kernel symbols are not selected for drivers.
New/deleted drivers:
- New driver for Aspeed SGPIO.
- The KS8695 driver is deleted as the platform gets deleted
from arch/arm in this kernel cycle.
- The Cirrus Logic Madera driver now supports CS47L92 and
CS47L15.
- The Freescale MPC8xxx now supports LS1028A and LS1088A.
Driver improvements:
- We pass the GPIO irqchip intialization by directly filling
in the struct instead of using set-up functions (the new
way) for Intel MID, Lynxpoint, Merrifield, XLP, HLWD, Aspeed,
ZX, VF610, TQMX86, MT7621, Zynq and EP93xx.
Out-of-band changes:
- Fix a GPIO header inclusion in Unicore - no response from
maintainer.
- Drop FMC subsystem from MAINTAINERS - was deleted in the
GPIO tree last cycle so let's mop up the shards.
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Merge tag 'gpio-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of changes in the GPIO subsystem for the v5.4 kernel
cycle.
Core changes:
- Support hierarchical GPIO irqchips.
We now have three consumers that can use this: Intel IXP4xx,
ThunderX and Qualcomm SPMI GPIO (in the pinctrl subsystem).
The support code has been long in the making and hashed out so it
should be easily adaptable for all hierarchical irqchip parents.
The code only gets compiled in if hierarchical irqchip is used at
the topmost irq controller at least, as the hierarchical irqchip
requires strict hierarchy all the way up in the system.
- Determine the need for a "valid_mask" for GPIO lines on the
gpio_chip and conversely for the "valid_mask" for the GPIO
interrupt chip interrupt lines by looking for a .init_valid_mask()
callback in the main chip or GPIO interrupt chip respectively.
Allocate it with bitmap_alloc().
- Isolate the device tree/open firmware GPIO description code out in
its own file properly.
- Isolate the ACPI GPIO description code out in its own file
properly.
- Drop a whole lot of #ifdef:s in the main includes: it does not hurt
to keep the include items around, and we get quicker and clearer
compile failures if the appropriate kernel symbols are not selected
for drivers.
New/deleted drivers:
- New driver for Aspeed SGPIO.
- The KS8695 driver is deleted as the platform gets deleted from
arch/arm in this kernel cycle.
- The Cirrus Logic Madera driver now supports CS47L92 and CS47L15.
- The Freescale MPC8xxx now supports LS1028A and LS1088A.
Driver improvements:
- We pass the GPIO irqchip intialization by directly filling in the
struct instead of using set-up functions (the new way) for Intel
MID, Lynxpoint, Merrifield, XLP, HLWD, Aspeed, ZX, VF610, TQMX86,
MT7621, Zynq and EP93xx.
Out-of-band changes:
- Fix a GPIO header inclusion in Unicore - no response from
maintainer.
- Drop FMC subsystem from MAINTAINERS - was deleted in the GPIO tree
last cycle so let's mop up the shards"
* tag 'gpio-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (82 commits)
gpiolib: of: add a fallback for wlf,reset GPIO name
gpio: htc-egpio: Remove unused exported htc_egpio_get_wakeup_irq()
gpio: remove explicit comparison with 0
gpio: creg-snps: use devm_platform_ioremap_resource() to simplify code
gpio: devres: Switch to EXPORT_SYMBOL_GPL()
gpio: of: Switch to EXPORT_SYMBOL_GPL()
gpio: of: Make of_gpio_simple_xlate() private
gpio: of: Make of_get_named_gpiod_flags() private
gpio: aspeed: Add in ast2600 details to Aspeed driver
gpio: aspeed: Use ngpio property from device tree if available
gpio: aspeed: Setup irqchip dynamically
gpio/aspeed: Fix incorrect number of banks
gpio: aspeed: Update documentation with ast2600 controllers
gpio: Initialize the irqchip valid_mask with a callback
gpiolib: acpi: make acpi_can_fallback_to_crs() static
gpio: Fix further merge errors
gpio: Fix up merge collision in include file
gpio: of: Normalize return code variable name
gpio: gpiolib: Normalize return code variable name
gpio: ep93xx: Pass irqchip when adding gpiochip
...
The D-Link DIR-685 had its clock polarity set as active
low using the special SPI "spi-cpol" property.
This is not correct: the datasheet clearly states:
"Fix SCL to GND level when not in use" which is
indicative that this line is active high.
After a recent fix making the GPIO-based SPI driver
force the clock line de-asserted at the beginning of
each SPI transaction this reared its ugly head: now
de-asserted was taken to mean the line should be
driven high, but it should be driven low.
Fix this up in the DTS file and the display works again.
Link: https://lore.kernel.org/r/20190915135444.11066-1-linus.walleij@linaro.org
Cc: Mark Brown <broonie@kernel.org>
Fixes: 2922d1cc16 ("spi: gpio: Add SPI_MASTER_GPIO_SS flag")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add them in their own dtsi and include it in aspeed-g6.dtsi to isolate
the cruft.
Link: https://lore.kernel.org/r/20190911165614.31641-2-joel@jms.id.au
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The AST2600 is a new SoC by ASPEED. It contains a dual core Cortex A7
CPU and shares many periperhals with the existing AST2400 and AST2500.
Link: https://lore.kernel.org/r/20190911165614.31641-1-joel@jms.id.au
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
1. Fix system restart on S3C6410 due to missing match of watchdog,
2. Enable suppor for ARM architected timers on Exynos.
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Merge tag 'samsung-soc-5.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/late
Samsung mach/soc changes for v5.4, part 2
1. Fix system restart on S3C6410 due to missing match of watchdog,
2. Enable suppor for ARM architected timers on Exynos.
* tag 'samsung-soc-5.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: exynos: Enable support for ARM architected timers
ARM: samsung: Fix system restart on S3C6410
MAINTAINERS: Extend patterns for Samsung SoC, Security Subsystem and clock drivers
ARM: s3c64xx: squash samsung_usb_phy.h into setup-usb-phy.c
ARM: exynos: Enable exynos-chipid driver
ARM: samsung: Include GPIO driver header
Link: https://lore.kernel.org/r/20190911183632.4317-2-krzk@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Now that we know we always have the dma-noncoherent.h helpers available
if we are on an architecture with support for non-coherent devices,
we can just call them directly, and remove the calls to the dma-direct
routines, including the fact that we call the dma_direct_map_page
routines but ignore the value returned from it. Instead we now have
Xen wrappers for the arch_sync_dma_for_{device,cpu} helpers that call
the special Xen versions of those routines for foreign pages.
Note that the new helpers get the physical address passed in addition
to the dma address to avoid another translation for the local cache
maintainance. The pfn_valid checks remain on the dma address as in
the old code, even if that looks a little funny.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
These routines are only used by swiotlb-xen, which cannot be modular.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
arm and arm64 can just use xen_swiotlb_dma_ops directly like x86, no
need for a pointer indirection.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Julien Grall <julien.grall@arm.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Calculate the required operation in the caller, and pass it directly
instead of recalculating it for each page, and use simple arithmetics
to get from the physical address to Xen page size aligned chunks.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Use the dma-noncoherent dev_is_dma_coherent helper instead of the home
grown variant. Note that both are always initialized to the same
value in arch_setup_dma_ops.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Julien Grall <julien.grall@arm.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Shared the duplicate arm/arm64 code in include/xen/arm/page-coherent.h.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Copy the arm64 code that uses the dma-direct/swiotlb helpers for DMA
on-coherent devices.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Currently, multi_v7_defconfig + CONFIG_FUNCTION_TRACER fails to build
with clang:
arm-linux-gnueabi-ld: kernel/softirq.o: in function `_local_bh_enable':
softirq.c:(.text+0x504): undefined reference to `mcount'
arm-linux-gnueabi-ld: kernel/softirq.o: in function `__local_bh_enable_ip':
softirq.c:(.text+0x58c): undefined reference to `mcount'
arm-linux-gnueabi-ld: kernel/softirq.o: in function `do_softirq':
softirq.c:(.text+0x6c8): undefined reference to `mcount'
arm-linux-gnueabi-ld: kernel/softirq.o: in function `irq_enter':
softirq.c:(.text+0x75c): undefined reference to `mcount'
arm-linux-gnueabi-ld: kernel/softirq.o: in function `irq_exit':
softirq.c:(.text+0x840): undefined reference to `mcount'
arm-linux-gnueabi-ld: kernel/softirq.o:softirq.c:(.text+0xa50): more undefined references to `mcount' follow
clang can emit a working mcount symbol, __gnu_mcount_nc, when
'-meabi gnu' is passed to it. Until r369147 in LLVM, this was
broken and caused the kernel not to boot with '-pg' because the
calling convention was not correct. Always build with '-meabi gnu'
when using clang but ensure that '-pg' (which is added with
CONFIG_FUNCTION_TRACER and its prereq CONFIG_HAVE_FUNCTION_TRACER)
cannot be added with it unless this is fixed (which means using
clang 10.0.0 and newer).
Link: https://github.com/ClangBuiltLinux/linux/issues/35
Link: https://bugs.llvm.org/show_bug.cgi?id=33845
Link: 16fa8b0970
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
adjust_lowmem_bounds() checks every memblocks in order to find the boundary
between lowmem and highmem. However some memblocks could be marked as NOMAP
so they are not used by kernel, which should be skipped while calculating
the boundary.
Signed-off-by: Chester Lin <clin@suse.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Add modifications necessary to make davinci part of the ARM v5
multiplatform build.
Move the arch-specific configuration out of arch/arm/Kconfig and
into mach-davinci/Kconfig. Remove the sub-menu for DaVinci
implementations (they'll be visible directly under the system type.
Select all necessary options not already selected by ARCH_MULTI_V5.
Update davinci_all_defconfig. Explicitly include the mach-specific
headers in mach-davinci/Makefile.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
ARM architected timer can be used together with Exynos MultiCore Timer
driver, so enable support for it. Support for ARM architected timers is
essential for enabling proper KVM support.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
S3C6410 system restart is triggered by watchdog reset.
Cc: <stable@vger.kernel.org>
Fixes: 9f55342cc2 ("ARM: dts: s3c64xx: Fix infinite interrupt in soft mode")
Signed-off-by: Lihua Yao <ylhuajnu@outlook.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
While parts of the VGIC support a large number of vcpus (we
bravely allow up to 512), other parts are more limited.
One of these limits is visible in the KVM_IRQ_LINE ioctl, which
only allows 256 vcpus to be signalled when using the CPU or PPI
types. Unfortunately, we've cornered ourselves badly by allocating
all the bits in the irq field.
Since the irq_type subfield (8 bit wide) is currently only taking
the values 0, 1 and 2 (and we have been careful not to allow anything
else), let's reduce this field to only 4 bits, and allocate the
remaining 4 bits to a vcpu2_index, which acts as a multiplier:
vcpu_id = 256 * vcpu2_index + vcpu_index
With that, and a new capability (KVM_CAP_ARM_IRQ_LINE_LAYOUT_2)
allowing this to be discovered, it becomes possible to inject
PPIs to up to 4096 vcpus. But please just don't.
Whilst we're there, add a clarification about the use of KVM_IRQ_LINE
on arm, which is not completely conditionned by KVM_CAP_IRQCHIP.
Reported-by: Zenghui Yu <yuzenghui@huawei.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Since commit 1137ceee76 ("ARM: OMAP1: ams-delta: Don't request unused
GPIOs"), on-board audio has appeared muted. It has been discovered that
believed to be unused GPIO pins "hookflash1" and "hookflash2" need to be
set low for audible sound in handsfree and handset mode respectively.
According to Amstrad E3 wiki, the purpose of both pins hasn't been
clearly identified. Original Amstrad software used to produce a high
pulse on them when the phone was taken off hook or recall was pressed.
With the current findings, we can assume the pins provide a kind of
audio mute function, separately for handset and handsfree operation
modes.
Commit 2afdb4c41d ("ARM: OMAP1: ams-delta: Fix audio permanently
muted") attempted to fix the issue temporarily by hogging the GPIO pin
"hookflash1" renamed to "audio_mute", however the fix occurred
incomplete as it restored audible sound only for handsfree mode.
Stop hogging that pin, rename the pins to "handsfree_mute" and
"handset_mute" respectively and implement appropriate DAPM event
callbacks for "Speaker" and "Earpiece" DAPM widgets.
Fixes: 1137ceee76 ("ARM: OMAP1: ams-delta: Don't request unused GPIOs")
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20190907111650.15440-1-jmkrzyszt@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Instead of relying on the CTS template to wrap the accelerated CBC
skcipher, implement the ciphertext stealing part directly.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Update the AES-XTS implementation based on NEON instructions so that it
can deal with inputs whose size is not a multiple of the cipher block
size. This is part of the original XTS specification, but was never
implemented before in the Linux kernel.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Update the AES-XTS implementation based on AES instructions so that it
can deal with inputs whose size is not a multiple of the cipher block
size. This is part of the original XTS specification, but was never
implemented before in the Linux kernel.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Replace the vector load from memory sequence with a simple instruction
sequence to compose the tweak vector directly.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Replace the vector load from memory sequence with a simple instruction
sequence to compose the tweak vector directly.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
When the ARM AES instruction based crypto driver was introduced, there
were no known implementations that could benefit from a 4-way interleave,
and so a 3-way interleave was used instead. Since we have sufficient
space in the SIMD register file, let's switch to a 4-way interleave to
align with the 64-bit driver, and to ensure that we can reach optimum
performance when running under emulation on high end 64-bit cores.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reduce the scope of the kernel_neon_begin/end regions so that the SIMD
unit is released (and thus preemption re-enabled) if the crypto operation
cannot be completed in a single scatterwalk step. This avoids scheduling
blackouts due to preemption being enabled for unbounded periods, resulting
in a more responsive system.
After this change, we can also permit the cipher_walk infrastructure to
sleep, so set the 'atomic' parameter to skcipher_walk_virt() to false as
well.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The AES round keys are arrays of u32s in native endianness now, so
update the function prototypes accordingly.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This is a fairly complete description of an OLPC XO 1.75 laptop.
What's missing for now is the GPU, LCD controller, DCON, the panel and
audio.
The machine is booted with OpenFirmware and thus has a devicetree.
However, older versions are unable to create a valid FDT and don't
follow the Linux bindings. Having an device tree in the kernel tree
makes it easier to use mainline kernels on such machines, test changes
with CONFIG_ARM_APPENDED_DTB and give a good reference on what bindings
are used on the machine without an access to one.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Pavel Machek <pavel@ucw.cz>
This device is not an OTG phy, it's a regular USB HS phy. Follow the
generic node name recommendation, and rename it to "usb-phy".
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Pavel Machek <pavel@ucw.cz>
This makes the 8250_of driver happy. There are two more drivers in the
tree that bind to mrvl,mmp-uart compatibles: pxa and 8250_pxa and
neither of them requires the reg-shift property, assuming it's always 2.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Pavel Machek <pavel@ucw.cz>
Linus Torvalds