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All Samsung pinctrl drivers select common part - PINCTRL_SAMSUNG which uses
both OF and GPIOLIB inside. However only Exynos drivers depend on these,
therefore after enabling COMPILE_TEST, on x86_64 build of S3C64xx driver
failed:
drivers/pinctrl/samsung/pinctrl-samsung.c: In function ‘samsung_gpiolib_register’:
drivers/pinctrl/samsung/pinctrl-samsung.c:969:5: error: ‘struct gpio_chip’ has no member named ‘of_node’
gc->of_node = bank->of_node;
^
Rework the dependencies so all Samsung drivers and common
PINCTRL_SAMSUNG part depend on OF_GPIO (which is default yes if GPIOLIB
and OF are enabled).
Reported-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
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The config options toggle Samsung Exynos SoCs pinctrl drivers, not the
driver data. Clarify this in the option title/name and also make it
consistent with other Samsung entries. No functional change.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
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The Samsung pinctrl drivers require only GPIOLIB and OF for building.
The drivers should be buildable on all architectures so enable
COMPILE_TEST.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
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The Exynos5440 is not actively developed, there are no development
boards available and probably there are no real products with it.
Remove wide-tree support for Exynos5440.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
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Replace GPL license statements with SPDX GPL-2.0+ license identifiers.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The driver fails to build without CONFIG_OF:
drivers/pinctrl/samsung/pinctrl-samsung.c: In function 'samsung_gpiolib_register':
drivers/pinctrl/samsung/pinctrl-samsung.c:936:5: error: 'struct gpio_chip' has no member named 'of_node'
This configuration is now possible since we can now select the
PINCTRL subsystem on S3C24xx machines other than the device tree
based ones.
Fixes: d219b924611a ("pinctrl: change Kconfig PINCTRL variable to a menuconfig")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Exynos pinctrl drivers contain pretty big per-SoC data structures. The
pinctrl-exynos object file contained code and data for both ARMv7 and
ARMv8 SoCs thus it grew big. There will not be a shared image between
ARMv7 and ARMv8 so there is no need to combine all of this into one
driver.
Splitting the data allows to make it more granular (e.g. code related to
ARMv8 Exynos is self-contained), slightly speed up the compilation and
reduce the effective size of compiled kernel.
The common data structures and functions reside still in existing
pinctrl-exynos.c. Only the SoC-specific parts were moved out to new
files. Except marking few functions non-static and adding them to
header, there were no functional changes in the code.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
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Group all pin control drivers of Samsung platform together in
a sub-directory for easy maintenance.
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Krzysztof Kozlowski
Arnd Bergmann
Sachin Kamat