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gpiolib: Include GPIO label in log messages for GPIOs

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Provide the human readable label for the GPIO as well as the number when
we are recording it in order to improve the readability of log messages.

Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Mark Brown 2013-09-09 10:33:50 +01:00 committed by Linus Walleij
parent 6424de5af1
commit 7b17b59fea
1 changed files with 21 additions and 0 deletions
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21
drivers/gpio/gpiolib.c
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@ -102,6 +102,26 @@ static int gpiod_export_link(struct device *dev, const char *name,
static int gpiod_sysfs_set_active_low(struct gpio_desc *desc, int value);
static void gpiod_unexport(struct gpio_desc *desc);
#ifdef CONFIG_DEBUG_FS
#define gpiod_emerg(desc, fmt, ...) \
pr_emerg("gpio-%d (%s): " fmt, desc_to_gpio(desc), desc->label, \
##__VA_ARGS__)
#define gpiod_crit(desc, fmt, ...) \
pr_crit("gpio-%d (%s): " fmt, desc_to_gpio(desc), desc->label, \
##__VA_ARGS__)
#define gpiod_err(desc, fmt, ...) \
pr_err("gpio-%d (%s): " fmt, desc_to_gpio(desc), desc->label, \
##__VA_ARGS__)
#define gpiod_warn(desc, fmt, ...) \
pr_warn("gpio-%d (%s): " fmt, desc_to_gpio(desc), desc->label, \
##__VA_ARGS__)
#define gpiod_info(desc, fmt, ...) \
pr_info("gpio-%d (%s): " fmt, desc_to_gpio(desc), desc->label, \
##__VA_ARGS__)
#define gpiod_dbg(desc, fmt, ...) \
pr_debug("gpio-%d (%s): " fmt, desc_to_gpio(desc), desc->label, \
##__VA_ARGS__)
#else
#define gpiod_emerg(desc, fmt, ...) \
pr_emerg("gpio-%d: " fmt, desc_to_gpio(desc), ##__VA_ARGS__)
#define gpiod_crit(desc, fmt, ...) \
@ -114,6 +134,7 @@ static void gpiod_unexport(struct gpio_desc *desc);
pr_info("gpio-%d: " fmt, desc_to_gpio(desc), ##__VA_ARGS__)
#define gpiod_dbg(desc, fmt, ...) \
pr_debug("gpio-%d: " fmt, desc_to_gpio(desc), ##__VA_ARGS__)
#endif
static inline void desc_set_label(struct gpio_desc *d, const char *label)
{