pinctrl: sunxi: Fix multi bank interrupt support in gpio_to_irq
When mapping the interrupts, the gpio_to_irq function did not consider the bank number of the gpio pin in question, only the offset or the interrupt number in the bank. As a result, requests for interrupts in the later banks get mapped to the first bank. This issue was discovered while enabling mmc on the new sun8i platform. The tablet I have uses a pin/interrupt from the second bank to do mmc card detection. Tested on this very device with register inspection and actual mmc card insertion/removal. Signed-off-by: NChen-Yu Tsai <wens@csie.org> Acked-by: NMaxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
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