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Now when all MPP pins are properly defined and every MPP pin has GPIO function, always checks for errors in armada_37xx_gpio_request_enable() function when calling armada_37xx_pmx_set_by_name(). Function armada_37xx_pmx_set_by_name() should not return "not supported" error anymore for any GPIO pin when requesting GPIO mode. Fixes: 87466ccd9401 ("pinctrl: armada-37xx: Add pin controller support for Armada 37xx") Signed-off-by: Pali Rohár <pali@kernel.org> Link: https://lore.kernel.org/r/20220805122202.23174-3-pali@kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>