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In preparation for warning on orphan sections, use common macros for
debug sections, discards, and text stubs. Add discards for unwanted .note,
and .rel sections.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>
Link: https://lore.kernel.org/r/20200821194310.3089815-21-keescook@chromium.org
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In preparation for warning on orphan sections, enforce
expected-to-be-zero-sized sections (since discarding them might hide
problems with them suddenly gaining unexpected entries).
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>
Link: https://lore.kernel.org/r/20200821194310.3089815-19-keescook@chromium.org
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Add missing text stub sections .vfp11_veneer and .v4_bx, as well as
missing DWARF sections, when present in the build.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Cc: Russell King <linux@armlinux.org.uk>
Link: https://lore.kernel.org/r/20200821194310.3089815-18-keescook@chromium.org
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In preparation for adding --orphan-handling=warn, explicitly keep the
.ARM.attributes section (at address 0[1]) by expanding the existing
ELF_DETAILS macro into ARM_DETAILS.
[1] https://reviews.llvm.org/D85867
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Fangrui Song <maskray@google.com>
Cc: Russell King <linux@armlinux.org.uk>
Link: https://lore.kernel.org/lkml/CAKwvOdk-racgq5pxsoGS6Vtifbtrk5fmkmnoLxrQMaOvV0nPWw@mail.gmail.com/
Link: https://lore.kernel.org/r/20200821194310.3089815-17-keescook@chromium.org
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In preparation for adding --orphan-handling=warn, refactor the linker
script header includes, and extract common macros.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>
Link: https://lore.kernel.org/r/20200821194310.3089815-16-keescook@chromium.org
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The .comment section doesn't belong in STABS_DEBUG. Split it out into a
new macro named ELF_DETAILS. This will gain other non-debug sections
that need to be accounted for when linking with --orphan-handling=warn.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: linux-arch@vger.kernel.org
Link: https://lore.kernel.org/r/20200821194310.3089815-5-keescook@chromium.org
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Add support for the SPI NOR device used to boot up the system
to the System on Module DT.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Link: https://lore.kernel.org/r/20200825085435.8744-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The following dtc warning is seen when building with W=1:
arch/arm/boot/dts/imx6qdl-gw553x.dtsi:65.12-110.4: Warning (avoid_unnecessary_addr_size): /gpio-keys: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
Remove the unneeded #address-cells/#size-cells properties to fix the issue.
Fixes: 64bf0a0af18d ("ARM: dts: imx6qdl-gw: add Gateworks System Controller support")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add audio sound card node, which depends on codec node,
SSI node, audmux node.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Headphone detection is triggered by GPIO, then driver can
switch between speaker and headphone.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Headphone detection is triggered by GPIO, then driver can
switch between speaker and headphone.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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While the DT parser recognizes "ok" as a valid value for the
"status" property, it is actually mentioned nowhere. Use the
proper value "okay" instead, as done in the majority of files
already.
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Link: https://lore.kernel.org/r/20200830190820.20583-1-freifunk@adrianschmutzler.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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The use of cpu0-supply for cpu0 alone is deprecated,
so add cpu-supply to each cpu separately and
update all existing rk3066a boards.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200813172451.13754-2-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Add label to cpu@1 for later use.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200813172451.13754-1-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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The use of cpu0-supply for cpu0 alone is deprecated,
so add cpu-supply to each cpu separately and
update all existing rk3288 boards that use this property.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200813180241.14660-1-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
"A set of fixes for lockdep, tracing and RCU:
- Prevent recursion by using raw_cpu_* operations
- Fixup the interrupt state in the cpu idle code to be consistent
- Push rcu_idle_enter/exit() invocations deeper into the idle path so
that the lock operations are inside the RCU watching sections
- Move trace_cpu_idle() into generic code so it's called before RCU
goes idle.
- Handle raw_local_irq* vs. local_irq* operations correctly
- Move the tracepoints out from under the lockdep recursion handling
which turned out to be fragile and inconsistent"
* tag 'locking-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lockdep,trace: Expose tracepoints
lockdep: Only trace IRQ edges
mips: Implement arch_irqs_disabled()
arm64: Implement arch_irqs_disabled()
nds32: Implement arch_irqs_disabled()
locking/lockdep: Cleanup
x86/entry: Remove unused THUNKs
cpuidle: Move trace_cpu_idle() into generic code
cpuidle: Make CPUIDLE_FLAG_TLB_FLUSHED generic
sched,idle,rcu: Push rcu_idle deeper into the idle path
cpuidle: Fixup IRQ state
lockdep: Use raw_cpu_*() for per-cpu variables
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This enables the KTD253 backlight found on the Samsung
GT-S7710 "Skomer".
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20200828223034.40983-1-linus.walleij@linaro.org
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The property "fsl,spi-num-chipselects" is gone since commit 790739c4417c
("dt-bindings: spi: Convert imx cspi to json-schema").
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The conversion of the spi-imx driver to use GPIO descriptors
in commit 8cdcd8aeee28 ("spi: imx/fsl-lpspi: Convert to GPIO descriptors")
helped to detect the following SPI chipselect polarity mismatch on an
imx6q-sabresd:
[ 4.854337] m25p80@0 enforce active low on chipselect handle
Prior to the above commit, the chipselect polarity passed via cs-gpios
property was ignored and considered active-low.
The reason for such mismatch is clearly explained in the comments inside
drivers/gpio/gpiolib-of.c:
* SPI children have active low chip selects
* by default. This can be specified negatively
* by just omitting "spi-cs-high" in the
* device node, or actively by tagging on
* GPIO_ACTIVE_LOW as flag in the device
* tree. If the line is simultaneously
* tagged as active low in the device tree
* and has the "spi-cs-high" set, we get a
* conflict and the "spi-cs-high" flag will
* take precedence.
To properly represent the SPI chipselect polarity, change it to active-low
when the "spi-cs-high" property is absent.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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PWM timer initialization has two independent implementations - one for
S3C24xx and one for S3C64xx. The naming however was always the same
and before also the declaration was shared. This is confusing, error
prone and might cause issues when trying to build multiplatform kernel.
Suggested-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200820204203.22328-1-krzk@kernel.org
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Add the Samsung S6E63M0 video mode DSI display to the
Samsung GT-S8190/Golden mobile phone.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20200815102627.3532646-1-linus.walleij@linaro.org
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Both Integrator and Realview exclusively use
ARM_PATCH_PHYS_VIRT these days so drop them from the
PHYS_OFFSET Kconfig option.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20200814154529.3487163-1-linus.walleij@linaro.org
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Allwinner R40 has system controller and SRAM C1 region similar to that
in A10.
Add nodes for them.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20200825173523.1289379-3-jernej.skrabec@siol.net
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BananaPi M2 Ultra has IR receiver connected to IR0.
Enable it.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20200825171358.1286902-4-jernej.skrabec@siol.net
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Allwinner R40 has two IR cores, add nodes for them.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20200825171358.1286902-3-jernej.skrabec@siol.net
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This converts the GPIO charger to use exclusively GPIO
descriptors, moving the two remaining platforms passing
global GPIO numbers over to using a GPIO descriptor table.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The SoC supports three pcie ports. Currently, only
pcie0 and pcie1 are enabled. This patch adds the
pcie2 port as well.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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The BCM53016 in the Meraki MR32 utilizes the third "uart2"
to connect to a on-board Bluetooth-LE 4.0 BCM20732 chip.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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The BCM53016 in the Meraki MR32 uses the on-chip PWM
controller to drive a tri-color RGB LED. Since I plan
to use the PWM, I made a label for the pwm's pinmux
node. This way, it can be easily referenced.... And
Also included a label for the i2c since I'm going to
need it in the future too.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Acked-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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Remove trace_cpu_idle() from the arch_cpu_idle() implementations and
put it in the generic code, right before disabling RCU. Gets rid of
more trace_*_rcuidle() users.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Marco Elver <elver@google.com>
Link: https://lkml.kernel.org/r/20200821085348.428433395@infradead.org
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This patch adds support for the GARDENA smart Gateway, which is based on
the Atmel AT91SAM9G25. It is equipped with 128 MiB of DDR2 RAM and
256 MiB NAND storage.
Please note that this gateway is not actually based on a AT91SAM9x5 EK
board, but is close enough to allow its DT to be used.
Co-developed-by: Stefan Roese <sr@denx.de>
Co-developed-by: Michael Zimmermann <michael.zimmermann@grandcentrix.net>
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Michael Zimmermann <michael.zimmermann@grandcentrix.net>
Signed-off-by: Reto Schneider <reto.schneider@husqvarnagroup.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200822151023.31629-2-code@reto-schneider.ch
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Allwinner R40 SoC has DMA with 16 channels and 31 request sources.
Add a node for it.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20200825100030.1145356-3-jernej.skrabec@siol.net
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Enable BQ32000 RTC which is connected to I2C0 on the iWave RainboW-G21M-q7
SOM.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Link: https://lore.kernel.org/r/20200816193316.7641-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Sort the DT nodes alphabetically so that its easier to maintain.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Link: https://lore.kernel.org/r/20200816193316.7641-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add the definitions for can0 and can1 to the r8a7742 SoC dtsi.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Link: https://lore.kernel.org/r/20200816190732.6905-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Refresh the defconfig for Renesas ARM systems:
- Drop CONFIG_BACKLIGHT_GENERIC=n (removed in commit 7ecdea4a0226f6c5
("backlight: generic_bl: Remove this driver as it is unused")).
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200819101125.12113-1-geert+renesas@glider.be
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Enable the display pipeline and HDMI output.
Signed-off-by: Stefan Monnier <monnier@iro.umontreal.ca>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20200821171833.28177-1-monnier@iro.umontreal.ca
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R40 has Mali400 GP2 GPU. Add a node for it.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20200824150434.951693-3-jernej.skrabec@siol.net
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DCDC1 regulator powers many different subsystems. While some of them can
work at 3.0 V, some of them can not. For example, VCC-HDMI can only work
between 3.24 V and 3.36 V. According to OS images provided by the board
manufacturer this regulator should be set to 3.3 V.
Set DCDC1 and DCDC1SW to 3.3 V in order to fix this.
Fixes: da7ac948fa93 ("ARM: dts: sun8i: Add board dts file for Banana Pi M2 Ultra")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20200824193649.978197-1-jernej.skrabec@siol.net
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Fix the VGA reserved memory node, and add the XDMA engine node,
enable it, and point it's memory region to the VGA memory.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Enable UART4's NRTS4 (A19) pin because the pin is used for RS485
software emulation.
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Link: https://lore.kernel.org/r/20200824182955.7988-3-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Update FMC flash0's label to "spi0.0" so it's consistent with all the
other Facebook OpenBMC platforms.
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Link: https://lore.kernel.org/r/20200824182955.7988-2-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Add initial version of device tree for Facebook Wedge400 (AST2500) BMC.
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20200824211948.12852-6-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Set 64Mb FMC flash layout in Minipack device tree explicitly because the
flash layout was removed from "ast2500-facebook-netbmc-common.dtsi".
Please note "data0" partition' size is updated to 4MB to be consistent
with other Facebook OpenBMC platforms.
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Link: https://lore.kernel.org/r/20200824211948.12852-5-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Set 32MB FMC flash layout in Yamp device tree explicitly because flash
layout settings were removed from "ast2500-facebook-netbmc-common.dtsi".
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Link: https://lore.kernel.org/r/20200824211948.12852-4-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Set 32MB FMC flash layout in CMM device tree explicitly because the flash
layout settings were removed from "ast2500-facebook-netbmc-common.dtsi".
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Link: https://lore.kernel.org/r/20200824211948.12852-3-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Remove FMC flash layout from ast2500-facebook-netbmc-common.dtsi because
flash size and layout varies across different Facebook AST2500 OpenBMC
platforms.
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Link: https://lore.kernel.org/r/20200824211948.12852-2-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Building ARM allmodconfig leads to the following warnings:
arch/arm/crypto/curve25519-glue.c:73:12: error: implicit declaration of function 'sg_copy_to_buffer' [-Werror=implicit-function-declaration]
arch/arm/crypto/curve25519-glue.c:74:9: error: implicit declaration of function 'sg_nents_for_len' [-Werror=implicit-function-declaration]
arch/arm/crypto/curve25519-glue.c:88:11: error: implicit declaration of function 'sg_copy_from_buffer' [-Werror=implicit-function-declaration]
Include <linux/scatterlist.h> to fix such warnings
Reported-by: Olof's autobuilder <build@lixom.net>
Fixes: 0c3dc787a62a ("crypto: algapi - Remove skbuff.h inclusion")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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All IO mapped SoC peripherals should be within the "soc" node. Move the
L2 cache-controller there as well since it's the only one not following
this pattern.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20200815182223.408965-1-martin.blumenstingl@googlemail.com
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