From 47f227163a5c77742a9840a0ac3eeb7bcc3ef413 Mon Sep 17 00:00:00 2001 From: Alexander Stein Date: Mon, 14 Apr 2014 20:53:08 +0200 Subject: [PATCH] pinctrl/at91: Fix mask creation in at91_gpio_dbg_show pin_to_mask expects a bank pin number. So do not add the chip base. Without that patch cat /sys/kernel/debug/gpio looks like that: GPIOs 0-31, platform/fffff200.gpio, fffff200.gpio: [spi32766.0] GPIOfffff200.gpio5: [gpio] set [ads7846_pendown] GPIOfffff200.gpio15: [gpio] set [ohci_vbus] GPIOfffff200.gpio21: [gpio] set [ohci_vbus] GPIOfffff200.gpio24: [gpio] set [button1] GPIOfffff200.gpio28: [gpio] clear [button2] GPIOfffff200.gpio29: [gpio] clear GPIOs 32-63, platform/fffff400.gpio, fffff400.gpio: [sda] GPIOfffff400.gpio4: [periph A] [scl] GPIOfffff400.gpio5: [periph A] [spi32766.3] GPIOfffff400.gpio11: [periph A] [error] GPIOfffff400.gpio22: [periph A] [run] GPIOfffff400.gpio23: [periph A] GPIOs 64-95, platform/fffff600.gpio, fffff600.gpio: [reset_pin] GPIOfffff600.gpio29: [periph A] GPIOs 96-127, platform/fffff800.gpio, fffff800.gpio: [led1] GPIOfffff800.gpio5: [periph A] [led2] GPIOfffff800.gpio6: [periph A] [led3] GPIOfffff800.gpio7: [periph A] [led4] GPIOfffff800.gpio8: [periph A] GPIOs 128-159, platform/fffffa00.gpio, fffffa00.gpio: [button3] GPIOfffffa00.gpio10: [periph A] [button4] GPIOfffffa00.gpio12: [periph A] Note that every bank despite bank 0 only shows "periph A" which are obviously used as GPIOs. Signed-off-by: Alexander Stein Acked-by: Alexandre Belloni Acked-by: Nicolas Ferre Signed-off-by: Linus Walleij --- drivers/pinctrl/pinctrl-at91.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index 0cd8faf5ddd4..84a9594a0caa 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -1197,8 +1197,7 @@ static void at91_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) void __iomem *pio = at91_gpio->regbase; for (i = 0; i < chip->ngpio; i++) { - unsigned pin = chip->base + i; - unsigned mask = pin_to_mask(pin); + unsigned mask = pin_to_mask(i); const char *gpio_label; u32 pdsr; -- 2.20.1