gpiolib: Include GPIO label in log messages for GPIOs

[karo-tx-linux.git] / drivers / gpio / gpiolib.c

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 417ee75d82d36dce20acd66ee76334bc42c28f0e..8048c3dbb8add3a775b1a202f41c835e13d6624c 100644 (file)
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -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)
 {