diff options
| author | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-12-04 10:35:05 +0100 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-12-08 09:26:32 +0100 |
| commit | caf7e135c297e6fceec0a1476da775aa458b5324 (patch) | |
| tree | 53f8a805063b7b8fb2ccbfd2967b3b6000496df5 /drivers/pinctrl | |
| parent | c76ba937f5ff9b4ee670adbd421be2404745be1f (diff) | |
| download | linux-caf7e135c297e6fceec0a1476da775aa458b5324.tar.gz | |
pinctrl: nomadik: use gpiochip_dup_line_label()
Use the new gpiochip_dup_line_label() helper to safely retrieve the
descriptor label.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/nomadik/pinctrl-nomadik.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c index 863732287b1e5..7911353ac97d5 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c @@ -8,6 +8,7 @@ * Copyright (C) 2011-2013 Linus Walleij <linus.walleij@linaro.org> */ #include <linux/bitops.h> +#include <linux/cleanup.h> #include <linux/clk.h> #include <linux/device.h> #include <linux/err.h> @@ -917,7 +918,6 @@ static void nmk_gpio_dbg_show_one(struct seq_file *s, struct pinctrl_dev *pctldev, struct gpio_chip *chip, unsigned offset, unsigned gpio) { - const char *label = gpiochip_is_requested(chip, offset); struct nmk_gpio_chip *nmk_chip = gpiochip_get_data(chip); int mode; bool is_out; @@ -934,6 +934,10 @@ static void nmk_gpio_dbg_show_one(struct seq_file *s, [NMK_GPIO_ALT_C+4] = "altC4", }; + char *label = gpiochip_dup_line_label(chip, offset); + if (IS_ERR(label)) + return; + clk_enable(nmk_chip->clk); is_out = !!(readl(nmk_chip->addr + NMK_GPIO_DIR) & BIT(offset)); pull = !(readl(nmk_chip->addr + NMK_GPIO_PDIS) & BIT(offset)); |