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A remove callback just returning 0 is equivalent to no remove callback
at all. So drop the useless function.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221213182322.962345-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The thunderbay_add_functions() will free memory of thunderbay_funcs
when everything is ok, but thunderbay_funcs will not be freed when
thunderbay_add_functions() fails, then there will be a memory leak,
so we need to add kfree() when thunderbay_add_functions() fails to
fix it.
In addition, doing some cleaner works, moving kfree(funcs) from
thunderbay_add_functions() to thunderbay_build_functions().
Fixes: 12422af8194d ("pinctrl: Add Intel Thunder Bay pinctrl driver")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Reviewed-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20221129120126.1567338-1-cuigaosheng1@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Use the devm_platform_ioremap_resource() helper instead of calling
platform_get_resource() and devm_ioremap_resource() separately.Make the
code simpler without functional changes.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Link: https://lore.kernel.org/r/20220418020238.2556989-1-lv.ruyi@zte.com.cn
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Make the outer loop iterate over functions as that's the real subject.
This simplifies code (and reduces amount of lines of code) as allocating
memory for names doesn't require extra checks anymore.
While at it use local "group_names" variable. It fixes:
drivers/pinctrl/pinctrl-thunderbay.c: In function 'thunderbay_add_functions':
drivers/pinctrl/pinctrl-thunderbay.c:815:8: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
815 | grp = func->group_names;
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Ref: c26c4bfc1040 ("pinctrl: keembay: rework loops looking for groups names")
Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20220111172919.6567-2-zajec5@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This should make code a bit easier to follow. While at it use some "for"
loops to simplify array iteration loops.
Ref: 5d0674999cc5 ("pinctrl: keembay: comment process of building functions a bit")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20220111172919.6567-1-zajec5@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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About Intel Thunder Bay:
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Intel Thunder Bay is a computer vision AI accelerator SoC based on ARM CPU.
Pinctrl IP:
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The SoC has a customised pinmux controller IP which controls pin
multiplexing and configuration.
Thunder Bay pinctrl IP is not based on and have nothing in common with the
existing pinctrl drivers. The registers used are incompatible with the
existing drivers, so it requires a new driver.
Add pinctrl driver to enable pin control support in the Intel Thunder Bay
SoC.
Co-developed-by: Kiran Kumar S <kiran.kumar1.s@intel.com>
Signed-off-by: Kiran Kumar S <kiran.kumar1.s@intel.com>
Signed-off-by: Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>
Link: https://lore.kernel.org/r/20211201072626.19599-3-lakshmi.sowjanya.d@intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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