gpio: pca953x: use input from regs structure in pca953x_irq_pending()

While PCA_PCAL is defined for PCA953X type only, we still may use an
offset of the input from regs structure for sake of consistency.

Link: http://lkml.kernel.org/r/20191022172922.61232-10-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 9f3301130efb596973e7292910247c2f662cc60e..31375138ee467df73eb8a91a1db8f29b388237ff 100644 (file)
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -689,7 +689,7 @@ static bool pca953x_irq_pending(struct pca953x_chip *chip, u8 *pending)
                        return false;
 
                /* Check latched inputs and clear interrupt status */
-               ret = pca953x_read_regs(chip, PCA953X_INPUT, cur_stat);
+               ret = pca953x_read_regs(chip, chip->regs->input, cur_stat);
                if (ret)
                        return false;