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-rw-r--r--drivers/gpio/gpiolib.c52
1 files changed, 32 insertions, 20 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 86ef346..417ee75 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -102,6 +102,18 @@ 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);
+#define gpiod_emerg(desc, fmt, ...) \
+ pr_emerg("gpio-%d: " fmt, desc_to_gpio(desc), ##__VA_ARGS__)
+#define gpiod_crit(desc, fmt, ...) \
+ pr_crit("gpio-%d: " fmt, desc_to_gpio(desc), ##__VA_ARGS__)
+#define gpiod_err(desc, fmt, ...) \
+ pr_err("gpio-%d: " fmt, desc_to_gpio(desc), ##__VA_ARGS__)
+#define gpiod_warn(desc, fmt, ...) \
+ pr_warn("gpio-%d: " fmt, desc_to_gpio(desc), ##__VA_ARGS__)
+#define gpiod_info(desc, fmt, ...) \
+ 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__)
static inline void desc_set_label(struct gpio_desc *d, const char *label)
{
@@ -1635,8 +1647,9 @@ static int gpiod_direction_input(struct gpio_desc *desc)
chip = desc->chip;
if (!chip->get || !chip->direction_input) {
- pr_warn("%s: missing get() or direction_input() operations\n",
- __func__);
+ gpiod_warn(desc,
+ "%s: missing get() or direction_input() operations\n",
+ __func__);
return -EIO;
}
@@ -1656,8 +1669,7 @@ static int gpiod_direction_input(struct gpio_desc *desc)
if (status) {
status = chip->request(chip, offset);
if (status < 0) {
- pr_debug("GPIO-%d: chip request fail, %d\n",
- desc_to_gpio(desc), status);
+ gpiod_dbg(desc, "chip request fail, %d\n", status);
/* and it's not available to anyone else ...
* gpio_request() is the fully clean solution.
*/
@@ -1675,8 +1687,7 @@ lose:
fail:
spin_unlock_irqrestore(&gpio_lock, flags);
if (status)
- pr_debug("%s: gpio-%d status %d\n", __func__,
- desc_to_gpio(desc), status);
+ gpiod_dbg(desc, "%s status %d\n", __func__, status);
return status;
}
@@ -1708,8 +1719,9 @@ static int gpiod_direction_output(struct gpio_desc *desc, int value)
chip = desc->chip;
if (!chip->set || !chip->direction_output) {
- pr_warn("%s: missing set() or direction_output() operations\n",
- __func__);
+ gpiod_warn(desc,
+ "%s: missing set() or direction_output() operations\n",
+ __func__);
return -EIO;
}
@@ -1729,8 +1741,7 @@ static int gpiod_direction_output(struct gpio_desc *desc, int value)
if (status) {
status = chip->request(chip, offset);
if (status < 0) {
- pr_debug("GPIO-%d: chip request fail, %d\n",
- desc_to_gpio(desc), status);
+ gpiod_dbg(desc, "chip request fail, %d\n", status);
/* and it's not available to anyone else ...
* gpio_request() is the fully clean solution.
*/
@@ -1748,8 +1759,7 @@ lose:
fail:
spin_unlock_irqrestore(&gpio_lock, flags);
if (status)
- pr_debug("%s: gpio-%d status %d\n", __func__,
- desc_to_gpio(desc), status);
+ gpiod_dbg(desc, "%s: gpio status %d\n", __func__, status);
return status;
}
@@ -1781,8 +1791,9 @@ static int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce)
chip = desc->chip;
if (!chip->set || !chip->set_debounce) {
- pr_debug("%s: missing set() or set_debounce() operations\n",
- __func__);
+ gpiod_dbg(desc,
+ "%s: missing set() or set_debounce() operations\n",
+ __func__);
return -ENOTSUPP;
}
@@ -1804,8 +1815,7 @@ static int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce)
fail:
spin_unlock_irqrestore(&gpio_lock, flags);
if (status)
- pr_debug("%s: gpio-%d status %d\n", __func__,
- desc_to_gpio(desc), status);
+ gpiod_dbg(desc, "%s: status %d\n", __func__, status);
return status;
}
@@ -1893,8 +1903,9 @@ static void _gpio_set_open_drain_value(struct gpio_desc *desc, int value)
}
trace_gpio_direction(desc_to_gpio(desc), value, err);
if (err < 0)
- pr_err("%s: Error in set_value for open drain gpio%d err %d\n",
- __func__, desc_to_gpio(desc), err);
+ gpiod_err(desc,
+ "%s: Error in set_value for open drain err %d\n",
+ __func__, err);
}
/*
@@ -1920,8 +1931,9 @@ static void _gpio_set_open_source_value(struct gpio_desc *desc, int value)
}
trace_gpio_direction(desc_to_gpio(desc), !value, err);
if (err < 0)
- pr_err("%s: Error in set_value for open source gpio%d err %d\n",
- __func__, desc_to_gpio(desc), err);
+ gpiod_err(desc,
+ "%s: Error in set_value for open source err %d\n",
+ __func__, err);
}
/**
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