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drivers/gpio/nomadik: move dummy nmk_gpio_dbg_show_one() to header

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When `CONFIG_DEBUG_FS` is disabled, nmk_gpio_dbg_show_one() is an
empty dummy function; this however triggers a `-Wmissing-prototypes`
warning and later a linker error because the function is also used by
drivers/pinctrl/nomadik/pinctrl-nomadik.c, therefore it needs to be
non-static.

To allow both sources to access this dummy function, this patch moves
it to the header, adding the `#ifdef CONFIG_DEBUG_FS` there as well.

Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Link: https://lore.kernel.org/r/20240311133223.3429428-1-max.kellermann@ionos.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Max Kellermann 2024-03-11 14:32:23 +01:00 committed by Linus Walleij
parent 289b950b8e
commit fa63587f94
2 changed files with 15 additions and 8 deletions
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8
drivers/gpio/gpio-nomadik.c
View File

@ -486,14 +486,6 @@ static void nmk_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
#else
static inline void nmk_gpio_dbg_show_one(struct seq_file *s,
struct pinctrl_dev *pctldev,
struct gpio_chip *chip,
unsigned int offset,
unsigned int gpio)
{
}
#define nmk_gpio_dbg_show NULL
#endif

15
include/linux/gpio/gpio-nomadik.h
View File

@ -253,6 +253,8 @@ nmk_pinctrl_db8540_init(const struct nmk_pinctrl_soc_data **soc)
struct platform_device;
#ifdef CONFIG_DEBUG_FS
/*
* Symbols declared in gpio-nomadik used by pinctrl-nomadik. If pinctrl-nomadik
* is enabled, then gpio-nomadik is enabled as well; the reverse if not always
@ -261,6 +263,19 @@ struct platform_device;
void nmk_gpio_dbg_show_one(struct seq_file *s, struct pinctrl_dev *pctldev,
struct gpio_chip *chip, unsigned int offset,
unsigned int gpio);
#else
static inline void nmk_gpio_dbg_show_one(struct seq_file *s,
struct pinctrl_dev *pctldev,
struct gpio_chip *chip,
unsigned int offset,
unsigned int gpio)
{
}
#endif
void __nmk_gpio_make_output(struct nmk_gpio_chip *nmk_chip,
unsigned int offset, int val);
void __nmk_gpio_set_slpm(struct nmk_gpio_chip *nmk_chip, unsigned int offset,