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struct fsd_pin_ctrl is not used outside of the file, so it can be made
static. This fixes sparse warning:
drivers/pinctrl/samsung/pinctrl-exynos-arm64.c:773:31: sparse:
symbol 'fsd_pin_ctrl' was not declared. Should it be static?
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 0d1b662c374c ("pinctrl: samsung: add FSD SoC specific data")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20220331194526.52444-1-krzysztof.kozlowski@linaro.org
Adds Tesla FSD SoC specific data to enable pinctrl.
FSD SoC has similar pinctrl controller as found in the most
Samsung/Exynos SoCs.
Cc: linux-fsd@tesla.com
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20220124141644.71052-13-alim.akhtar@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
GPIO_ALIVE and GPIO_CMGP blocks in Exynos850 SoC don't have EINT
capabilities (like EINT_SVC register), and there are no corresponding
interrupts wired to GIC. Instead those blocks have wake-up interrupts
for each pin. The ".eint_gpio_init" callbacks were specified by mistake
for these blocks, when porting pinctrl code from downstream kernel. That
leads to error messages like this:
samsung-pinctrl 11850000.pinctrl: irq number not available
Remove ".eint_gpio_init" for pinctrl_alive and pinctrl_gpmc to fix this
error. This change doesn't affect proper interrupt handling for related
pins, as all those pins are handled in ".eint_wkup_init".
Fixes: cdd3d945dcec ("pinctrl: samsung: Add Exynos850 SoC specific data")
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20220114203757.4860-1-semen.protsenko@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
The sparse tool complains as follows:
drivers/pinctrl/samsung/pinctrl-exynos-arm64.c:490:31: warning:
symbol 'exynos7885_pin_ctrl' was not declared. Should it be static?
This symbol is not used outside of pinctrl-exynos-arm64.c, so marks
it static.
Fixes: b0ef7b1a7a07 ("pinctrl: samsung: Add Exynos7885 SoC specific data")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20211123083617.2366756-1-weiyongjun1@huawei.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Add Samsung Exynos7885 SoC specific data to enable pinctrl support for
all platforms based on Exynos7885.
Signed-off-by: David Virag <virag.david003@gmail.com>
Link: https://lore.kernel.org/r/20211031231720.46994-1-virag.david003@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Add Samsung Exynos850 SoC specific data to enable pinctrl support for
all platforms based on Exynos850.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20210811114827.27322-3-semen.protsenko@linaro.org
[krzysztof: lower-case the hex-numbers]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
This patch documents requirement coming from the way
exynos_eint_gpio_irq() is working now, which expects EINTG banks to be
at the beginning of the bank arrays.
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Reviewed-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Driver uses alias from Device Tree as an index of pin controller data
array. In case of a wrong DTB or an out-of-tree DTB, the alias could be
outside of this data array leading to out-of-bounds access.
Depending on binary and memory layout, this could be handled properly
(showing error like "samsung-pinctrl 3860000.pinctrl: driver data not
available") or could lead to exceptions.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: <stable@vger.kernel.org>
Fixes: 30574f0db1b1 ("pinctrl: add samsung pinctrl and gpiolib driver")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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>
