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gpiolib: Include GPIO label in log messages for GPIOs 

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
View File

@ -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)
{