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gpio: pca953x: fix irq_stat not updated when irq is disabled (irq_mas…
…k not set) commit dba7857 upstream. When one port's input state get inverted (eg. from low to hight) after pca953x_irq_setup but before setting irq_mask (by some other driver such as "gpio-keys"), the next inversion of this port (eg. from hight to low) will not be triggered any more (because irq_stat is not updated at the first time). Issue should be fixed after this commit. Fixes: 89ea8bb ("gpio: pca953x.c: add interrupt handling capability") Signed-off-by: Puyou Lu <puyou.lu@gmail.com> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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