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A separate Kconfig option HAVE_S3C2410_I2C for Samsung SoCs is not
really needed and the i2c-s3c24xx driver can depend on Samsung ARM
architectures instead. This also enables i2c-s3c2410 for arm64 Exynos
SoCs, which is required for example by Exynos850.
This is basically continuation of work made in following commits:
- commit d96890fca9 ("rtc: s3c: remove HAVE_S3C_RTC in favor of
direct dependencies")
- commit 7dd3cae90d ("ARM: samsung: remove HAVE_S3C2410_WATCHDOG and
use direct dependencies")
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20211121150558.21801-2-semen.protsenko@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
clang warns about one missing fallthrough that gcc ignores:
arch/arm/mach-s3c/mach-jive.c:250:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
Add it here as well.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20211116092053.4042799-1-arnd@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Include the header with prototype of s3c2410_modify_misccr to fix W=1
warning:
arch/arm/mach-s3c/gpio-samsung.c:1309:14: warning:
no previous prototype for ‘s3c2410_modify_misccr’ [-Wmissing-prototypes]
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20211111091123.50853-1-krzysztof.kozlowski@canonical.com
The SoC updates this time are mainly removing obsolete code from the
OMAP2 platform, another step in the eternal cleanup of that platform.
There are two new SoCs getting added: STMicroelectronics stm32mp13 and
Microchip lan966. Both fit into existing platforms and require minimal
changes here.
A couple of MAINTAINER file updates relate to those changes, and
update some file paths.
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Merge tag 'soc-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"The SoC updates this time are mainly removing obsolete code from the
OMAP2 platform, another step in the eternal cleanup of that platform.
There are two new SoCs getting added: STMicroelectronics stm32mp13 and
Microchip lan966. Both fit into existing platforms and require minimal
changes here.
A couple of MAINTAINER file updates relate to those changes, and
update some file paths"
* tag 'soc-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (28 commits)
MAINTAINERS: Update BCM7XXX entry with additional patterns
MAINTAINERS: add pinctrl-apple-gpio to ARM/APPLE MACHINE
MAINTAINERS: Add pasemi i2c to ARM/APPLE MACHINE
ARM: SPEAr: Update MAINTAINERS entries
ARM: OMAP2+: Drop unused CM defines for am3
ARM: OMAP2+: Drop unused CM and SCRM defines for omap4
ARM: OMAP2+: Drop unused CM and SCRM defines for omap5
ARM: OMAP2+: Drop unused CM defines for dra7
ARM: OMAP2+: Drop unused PRM defines for am3
ARM: OMAP2+: Drop unused PRM defines for am4
ARM: OMAP2+: Drop unused PRM defines for omap4
ARM: OMAP2+: Drop unused PRM defines for omap5
ARM: OMAP2+: Drop unused PRM defines for dra7
ARM: OMAP2+: Fix comment typo
ARM: OMAP2+: Fix typo in some comments
ARM: at91: add basic support for new SoC family lan966
dt-bindings: arm: at91: Document lan966 pcb8291 and pcb8290 boards
ARM: at91: Documentation: add lan966 family
ARM: at91: Documentation: add sama7g5 family
MAINTAINERS: add an entry for NXP S32G boards
...
Now that entry code handles IRQ entry (including setting the IRQ regs)
before calling irqchip code, irqchip code can safely call
generic_handle_domain_irq(), and there's no functional reason for it to
call handle_domain_irq().
Let's cement this split of responsibility and remove handle_domain_irq()
entirely, updating irqchip drivers to call generic_handle_domain_irq().
For consistency, handle_domain_nmi() is similarly removed and replaced
with a generic_handle_domain_nmi() function which also does not perform
any entry logic.
Previously handle_domain_{irq,nmi}() had a WARN_ON() which would fire
when they were called in an inappropriate context. So that we can
identify similar issues going forward, similar WARN_ON_ONCE() logic is
added to the generic_handle_*() functions, and comments are updated for
clarity and consistency.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
The strlcpy should not be used because it doesn't limit the source
length. Preferred is strscpy.
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Link: https://lore.kernel.org/r/20210906134656.101088-1-wangborong@cdjrlc.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
The s3c24xx_init_intc() returns an error pointer upon failure, not NULL.
let's add an error pointer check in s3c24xx_handle_irq.
s3c_intc[0] is not NULL or ERR, we can simplify the code.
Fixes: 1f629b7a3c ("ARM: S3C24XX: transform irq handling into a declarative form")
Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
Link: https://lore.kernel.org/r/20210901123557.1043953-1-liu.yun@linux.dev
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
There are three noteworthy updates for 32-bit arm platforms this time:
- The Microchip SAMA7 family based on Cortex-A7 gets introduced, a new
cousin to the older SAM9 (ARM9xx based) and SAMA5 (Cortex-A5 based)
SoCs.
- The ixp4xx platform (based on Intel XScale) is finally converted to
device tree, and all the old board files are getting removed now.
- The Cirrus Logic EP93xx platform loses support for the old
MaverickCrunch FPU. Support for compiling user space applications
was already removed in gcc-4.9, and the kernel support for old
applications could not be built with clang ias. After confirming
that there are no remaining users, removing this from the kernel
seemed better than adding support for unused features to clang.
There are minor updates to the aspeed, omap and samsung platforms
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'soc-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"There are three noteworthy updates for 32-bit arm platforms this time:
- The Microchip SAMA7 family based on Cortex-A7 gets introduced, a
new cousin to the older SAM9 (ARM9xx based) and SAMA5 (Cortex-A5
based) SoCs.
- The ixp4xx platform (based on Intel XScale) is finally converted to
device tree, and all the old board files are getting removed now.
- The Cirrus Logic EP93xx platform loses support for the old
MaverickCrunch FPU. Support for compiling user space applications
was already removed in gcc-4.9, and the kernel support for old
applications could not be built with clang ias. After confirming
that there are no remaining users, removing this from the kernel
seemed better than adding support for unused features to clang.
There are minor updates to the aspeed, omap and samsung platforms"
* tag 'soc-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (48 commits)
soc: aspeed-lpc-ctrl: Fix clock cleanup in error path
ARM: s3c: delete unneed local variable "delay"
soc: aspeed: Re-enable FWH2AHB on AST2600
soc: aspeed: socinfo: Add AST2625 variant
soc: aspeed: p2a-ctrl: Fix boundary check for mmap
soc: aspeed: lpc-ctrl: Fix boundary check for mmap
ARM: ixp4xx: Delete the Freecom FSG-3 boardfiles
ARM: ixp4xx: Delete GTWX5715 board files
ARM: ixp4xx: Delete Coyote and IXDPG425 boardfiles
ARM: ixp4xx: Delete Intel reference design boardfiles
ARM: ixp4xx: Delete Avila boardfiles
ARM: ixp4xx: Delete the Arcom Vulcan boardfiles
ARM: ixp4xx: Delete Gateway WG302v2 boardfiles
ARM: ixp4xx: Delete Omicron boardfiles
ARM: ixp4xx: Delete the D-Link DSM-G600 boardfiles
ARM: ixp4xx: Delete NAS100D boardfiles
ARM: ixp4xx: Delete NSLU2 boardfiles
arm: omap2: Drop the unused OMAP_PACKAGE_* KConfig entries
arm: omap2: Drop obsolete MACH_OMAP3_PANDORA entry
ARM: ep93xx: remove MaverickCrunch support
...
Wherever possible, replace constructs that match either
generic_handle_irq(irq_find_mapping()) or
generic_handle_irq(irq_linear_revmap()) to a single call to
generic_handle_domain_irq().
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Pull i2c updates from Wolfram Sang:
- new drivers for Silicon Labs CP2615 and the HiSilicon I2C unit
- bigger refactoring for the MPC driver
- support for full software nodes - no need to work around with only
properties anymore
- we now have 'devm_i2c_add_adapter', too
- sub-system wide fixes for the RPM refcounting problem which often
caused a leak when an error was encountered during probe
- the rest is usual driver updates and improvements
* 'i2c/for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (77 commits)
i2c: mediatek: Use scl_int_delay_ns to compensate clock-stretching
i2c: mediatek: Fix wrong dma sync flag
i2c: mediatek: Fix send master code at more than 1MHz
i2c: sh7760: fix IRQ error path
i2c: i801: Add support for Intel Alder Lake PCH-M
i2c: core: Fix spacing error by checkpatch
i2c: s3c2410: simplify getting of_device_id match data
i2c: nomadik: Fix space errors
i2c: iop3xx: Fix coding style issues
i2c: amd8111: Fix coding style issues
i2c: mpc: Drop duplicate message from devm_platform_ioremap_resource()
i2c: mpc: Use device_get_match_data() helper
i2c: mpc: Remove CONFIG_PM_SLEEP ifdeffery
i2c: mpc: Use devm_clk_get_optional()
i2c: mpc: Update license and copyright
i2c: mpc: Interrupt driven transfer
i2c: sh7760: add IRQ check
i2c: rcar: add IRQ check
i2c: mlxbf: add IRQ check
i2c: jz4780: add IRQ check
...
Additional device properties are always just a part of a
software fwnode. If the device properties are constant, the
software node can also be constant.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
pwm_request() is deprecated because (among others) it depends on a global
numbering of PWM devices. So register a pwm_lookup to pick the right PWM
device (identified by provider and its local id) and use pwm_get().
Before this patch the PWM #1 was used. This is provided by the
samsung-pwm device which is the only PWM provider on this machine. The
local offset is 1, see also commit c107fe904a ("ARM: S3C24XX: Use PWM
lookup table for mach-rx1950") with a similar conversion for PWM #0.
As a follow up specify the period only once and symmetrically use pwm_put()
instead of pwm_free() to drop the reference.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20210326090641.122436-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Make functions used only in this module static to fix W=1 build warnings:
arch/arm/mach-s3c/irq-s3c24xx.c:360:39: warning:
no previous prototype for ‘s3c24xx_handle_irq’ [-Wmissing-prototypes]
arch/arm/mach-s3c/irq-s3c24xx.c:1308:12: warning:
no previous prototype for ‘s3c2410_init_intc_of’ [-Wmissing-prototypes]
arch/arm/mach-s3c/irq-s3c24xx.c:1330:12: warning:
no previous prototype for ‘s3c2416_init_intc_of’ [-Wmissing-prototypes]
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20210206133615.119804-2-krzk@kernel.org
Include headers to fix W=1 build warnings:
arch/arm/mach-s3c/irq-s3c24xx.c:389:5: warning:
no previous prototype for ‘s3c24xx_set_fiq’ [-Wmissing-prototypes]
arch/arm/mach-s3c/irq-s3c24xx.c:683:13: warning:
no previous prototype for ‘s3c2410_init_irq’ [-Wmissing-prototypes]
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20210206133615.119804-1-krzk@kernel.org
Building with the clang integrated assembler produces a couple of
errors for the s3c24xx fiq support:
arch/arm/mach-s3c/irq-s3c24xx-fiq.S:52:2: error: instruction 'subne' can not set flags, but 's' suffix specified
subnes pc, lr, #4 @@ return, still have work to do
arch/arm/mach-s3c/irq-s3c24xx-fiq.S:64:1: error: invalid symbol redefinition
s3c24xx_spi_fiq_txrx:
There are apparently two problems: one with extraneous or duplicate
labels, and one with old-style opcode mnemonics. Stefan Agner has
previously fixed other problems like this, but missed this particular
file.
Fixes: bec0806cfe ("spi_s3c24xx: add FIQ pseudo-DMA support")
Cc: Stefan Agner <stefan@agner.ch>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20210204162416.3030114-1-arnd@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
battery/charger driver changes:
* collie_battery, generic-adc-battery, s3c-adc-battery: convert to GPIO descriptors (incl. ARM board files)
* misc. cleanup and fixes
reset drivers:
* new poweroff driver for force disabling a regulator
* Use printk format symbol resolver
* ocelot: add support for Luton and Jaguar2
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Merge tag 'for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Battery/charger driver changes:
- collie_battery, generic-adc-battery, s3c-adc-battery: convert to
GPIO descriptors (incl ARM board files)
- misc cleanup and fixes
Reset drivers:
- new poweroff driver for force disabling a regulator
- use printk format symbol resolver
- ocelot: add support for Luton and Jaguar2"
* tag 'for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (31 commits)
power: supply: Fix a typo in warning message
Documentation: DT: binding documentation for regulator-poweroff
power: reset: new driver regulator-poweroff
power: supply: ab8500: Use dev_err_probe() for IIO channels
power: supply: ab8500_fg: Request all IRQs as threaded
power: supply: ab8500_charger: Oneshot threaded IRQs
power: supply: ab8500: Convert to dev_pm_ops
power: supply: ab8500: Use local helper
power: supply: wm831x_power: remove unneeded break
power: supply: bq24735: Drop unused include
power: supply: bq24190_charger: Drop unused include
power: supply: generic-adc-battery: Use GPIO descriptors
power: supply: collie_battery: Convert to GPIO descriptors
power: supply: bq24190_charger: fix reference leak
power: supply: s3c-adc-battery: Convert to GPIO descriptors
power: reset: Use printk format symbol resolver
power: supply: axp20x_usb_power: Use power efficient workqueue for debounce
power: supply: axp20x_usb_power: fix typo
power: supply: max8997-charger: Improve getting charger status
power: supply: max8997-charger: Fix platform data retrieval
...
This converts the S3C ADC battery to use GPIO descriptors
instead of a global GPIO number for the charging completed
GPIO. Using the pattern from the GPIO charger we name this
GPIO line "charge-status" in the board file.
Cc: linux-samsung-soc@vger.kernel.org
Cc: Sergiy Kibrik <sakib@darkstar.site>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
SoC changes, a substantial part of this is cleanup of some of the older
platforms that used to have a bunch of board files. In particular:
- Removal of non-DT i.MX platforms that haven't seen activity in years,
it's time to remove them.
- A bunch of cleanup and removal of platform data for TI/OMAP platforms,
moving over to genpd for power/reset control (yay!)
- Major cleanup of Samsung S3C24xx and S3C64xx platforms, moving them
closer to multiplatform support (not quite there yet, but getting
close).
THere are a few other changes too, smaller fixlets, etc. For new
platform support, the primary ones re:
- New SoC: Hisilicon SD5203, ARM926EJ-S platform.
- Cpufreq support for i.MX7ULP
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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 Olof Johansson:
"SoC changes, a substantial part of this is cleanup of some of the
older platforms that used to have a bunch of board files.
In particular:
- Remove non-DT i.MX platforms that haven't seen activity in years,
it's time to remove them.
- A bunch of cleanup and removal of platform data for TI/OMAP
platforms, moving over to genpd for power/reset control (yay!)
- Major cleanup of Samsung S3C24xx and S3C64xx platforms, moving them
closer to multiplatform support (not quite there yet, but getting
close).
There are a few other changes too, smaller fixlets, etc. For new
platform support, the primary ones are:
- New SoC: Hisilicon SD5203, ARM926EJ-S platform.
- Cpufreq support for i.MX7ULP"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (121 commits)
ARM: mstar: Select MStar intc
ARM: stm32: Replace HTTP links with HTTPS ones
ARM: debug: add UART early console support for SD5203
ARM: hisi: add support for SD5203 SoC
ARM: omap3: enable off mode automatically
clk: imx: imx35: Remove mx35_clocks_init()
clk: imx: imx31: Remove mx31_clocks_init()
clk: imx: imx27: Remove mx27_clocks_init()
ARM: imx: Remove unused definitions
ARM: imx35: Retrieve the IIM base address from devicetree
ARM: imx3: Retrieve the AVIC base address from devicetree
ARM: imx3: Retrieve the CCM base address from devicetree
ARM: imx31: Retrieve the IIM base address from devicetree
ARM: imx27: Retrieve the CCM base address from devicetree
ARM: imx27: Retrieve the SYSCTRL base address from devicetree
ARM: s3c64xx: bring back notes from removed debug-macro.S
ARM: s3c24xx: fix Wunused-variable warning on !MMU
ARM: samsung: fix PM debug build with DEBUG_LL but !MMU
MAINTAINERS: mark linux-samsung-soc list non-moderated
ARM: imx: Remove remnant board file support pieces
...
1. Clear unneeded L2C-310 flag which presenc was triggering warning
message.
2. Fix build of SAMSUNG_PM_DEBUG without MMU.
3. Minor cleanups and update of linux-samsung-soc mailing list in
Maintainers.
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Merge tag 'samsung-soc-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/soc
Samsung mach/soc changes for v5.10
1. Clear unneeded L2C-310 flag which presenc was triggering warning
message.
2. Fix build of SAMSUNG_PM_DEBUG without MMU.
3. Minor cleanups and update of linux-samsung-soc mailing list in
Maintainers.
* tag 'samsung-soc-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: s3c64xx: bring back notes from removed debug-macro.S
ARM: s3c24xx: fix Wunused-variable warning on !MMU
ARM: samsung: fix PM debug build with DEBUG_LL but !MMU
MAINTAINERS: mark linux-samsung-soc list non-moderated
ARM: exynos: clear L310_AUX_CTRL_NS_LOCKDOWN in default l2c_aux_val
Signed-off-by: Olof Johansson <olof@lixom.net>
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
The arch/arm/plat-samsung/ was removed and merged into
arch/arm/mach-s3c/ so the include path is not needed anymore.
Fixes: 71b9114d2c ("ARM: s3c: move into a common directory")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200821074251.26798-1-krzk@kernel.org
A lot of header files are only used internally now, so they can be moved
to mach-s3c, out of the visibility of drivers.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200806182059.2431-40-krzk@kernel.org
[krzk: Rebase and fixup leds-s3c24xx driver]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
s3c24xx and s3c64xx have a lot in common, but are split across three
separate directories, which makes the interaction of the header files
more complicated than necessary.
Move all three directories into a new mach-s3c, with a minimal
set of changes to each file.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[krzk: Rebase, add s3c24xx and s3c64xx suffix to several files, add SPDX
headers to new files, remove plat-samsung from MAINTAINERS]
Co-developed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
https://lore.kernel.org/r/20200806182059.2431-39-krzk@kernel.org
