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Move DT parse before pinctrl register. This ensures that device tree
parsing is done before calling devm_pinctrl_register() to prevent using
uninitialized pin resources.
Fixes: 545887eab6f6 ("pinctrl: canaan: Add support for k230 SoC")
Reported-by: Yao Zi <ziyao@disroot.org>
Signed-off-by: Ze Huang <huangze@whut.edu.cn>
Link: https://lore.kernel.org/20250624-k230-return-check-v1-2-6b4fc5ba0c41@whut.edu.cn
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add a NULL check for the return value of of_get_property() when
retrieving the "pinmux" property in the group parser. This avoids
a potential NULL pointer dereference if the property is missing
from the device tree node.
Also fix a typo ("sintenel") in the device ID match table comment,
correcting it to "sentinel".
Fixes: 545887eab6f6 ("pinctrl: canaan: Add support for k230 SoC")
Reported-by: Yao Zi <ziyao@disroot.org>
Signed-off-by: Ze Huang <huangze@whut.edu.cn>
Link: https://lore.kernel.org/20250624-k230-return-check-v1-1-6b4fc5ba0c41@whut.edu.cn
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The build robot complains about unused code. Let's drop it,
this can be restored with simple git revert when needed.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202410021136.ie3cFM2w-lkp@intel.com/
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/20241003-k320-unused-v1-1-72e65bc2f27b@linaro.org
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Configuration of the K230 is similar to that of the K210. However, in
K210, the 256 functions for each pin are shared, whereas in K230,
multiplex functions are different for every pin.
`drv_data` of `pinctrl_pin_desc` is pointing to currently activated
group, which is used to print the name of current function of pin in
`pin_dbg_show` and will be updated in `set_mux`, so they are not set
const.
Signed-off-by: Ze Huang <18771902331@163.com>
Link: https://lore.kernel.org/20240926-k230-pinctrl-v2-2-a9a36fba4b34@163.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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