pinctrl: at91: Make use of for_each_requested_gpio()

Make use of for_each_requested_gpio() instead of home grown analogue.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200615150545.87964-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 52386ad..9c52130 100644 (file)
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1486,14 +1486,11 @@ static void at91_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
        int i;
        struct at91_gpio_chip *at91_gpio = gpiochip_get_data(chip);
        void __iomem *pio = at91_gpio->regbase;
+       const char *gpio_label;
 
-       for (i = 0; i < chip->ngpio; i++) {
+       for_each_requested_gpio(chip, i, gpio_label) {
                unsigned mask = pin_to_mask(i);
-               const char *gpio_label;
 
-               gpio_label = gpiochip_is_requested(chip, i);
-               if (!gpio_label)
-                       continue;
                mode = at91_gpio->ops->get_periph(pio, mask);
                seq_printf(s, "[%s] GPIO%s%d: ",
                           gpio_label, chip->label, i);