gpiolib: introduce chip_* to print with chip->label prefix
In several places we are printing messages with prefix based on chip->label.
Introduced macros help us to do this easier and in uniform way.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 2dc3657..30ae386 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -84,6 +84,8 @@
static int gpiod_request(struct gpio_desc *desc, const char *label);
static void gpiod_free(struct gpio_desc *desc);
+/* With descriptor prefix */
+
#ifdef CONFIG_DEBUG_FS
#define gpiod_emerg(desc, fmt, ...) \
pr_emerg("gpio-%d (%s): " fmt, desc_to_gpio(desc), desc->label ? : "?",\
@@ -118,6 +120,21 @@
pr_debug("gpio-%d: " fmt, desc_to_gpio(desc), ##__VA_ARGS__)
#endif
+/* With chip prefix */
+
+#define chip_emerg(chip, fmt, ...) \
+ pr_emerg("GPIO chip %s: " fmt, chip->label, ##__VA_ARGS__)
+#define chip_crit(chip, fmt, ...) \
+ pr_crit("GPIO chip %s: " fmt, chip->label, ##__VA_ARGS__)
+#define chip_err(chip, fmt, ...) \
+ pr_err("GPIO chip %s: " fmt, chip->label, ##__VA_ARGS__)
+#define chip_warn(chip, fmt, ...) \
+ pr_warn("GPIO chip %s: " fmt, chip->label, ##__VA_ARGS__)
+#define chip_info(chip, fmt, ...) \
+ pr_info("GPIO chip %s: " fmt, chip->label, ##__VA_ARGS__)
+#define chip_dbg(chip, fmt, ...) \
+ pr_debug("GPIO chip %s: " fmt, chip->label, ##__VA_ARGS__)
+
static inline void desc_set_label(struct gpio_desc *d, const char *label)
{
#ifdef CONFIG_DEBUG_FS
@@ -1032,8 +1049,7 @@
chip->desc[gpio++].chip = NULL;
spin_unlock_irqrestore(&gpio_lock, flags);
- pr_debug("%s: chip %s status %d\n", __func__,
- chip->label, status);
+ chip_dbg(chip, "%s: status %d\n", __func__, status);
}
return status;
@@ -1056,8 +1072,7 @@
mutex_unlock(&sysfs_lock);
if (status)
- pr_debug("%s: chip %s status %d\n", __func__,
- chip->label, status);
+ chip_dbg(chip, "%s: status %d\n", __func__, status);
}
static int __init gpiolib_sysfs_init(void)
@@ -1337,8 +1352,7 @@
pin_range = kzalloc(sizeof(*pin_range), GFP_KERNEL);
if (!pin_range) {
- pr_err("%s: GPIO chip: failed to allocate pin ranges\n",
- chip->label);
+ chip_err(chip, "failed to allocate pin ranges\n");
return -ENOMEM;
}
@@ -1359,9 +1373,8 @@
pinctrl_add_gpio_range(pctldev, &pin_range->range);
- pr_debug("GPIO chip %s: created GPIO range %d->%d ==> %s PINGRP %s\n",
- chip->label, gpio_offset,
- gpio_offset + pin_range->range.npins - 1,
+ chip_dbg(chip, "created GPIO range %d->%d ==> %s PINGRP %s\n",
+ gpio_offset, gpio_offset + pin_range->range.npins - 1,
pinctrl_dev_get_devname(pctldev), pin_group);
list_add_tail(&pin_range->node, &chip->pin_ranges);
@@ -1388,8 +1401,7 @@
pin_range = kzalloc(sizeof(*pin_range), GFP_KERNEL);
if (!pin_range) {
- pr_err("%s: GPIO chip: failed to allocate pin ranges\n",
- chip->label);
+ chip_err(chip, "failed to allocate pin ranges\n");
return -ENOMEM;
}
@@ -1404,13 +1416,12 @@
&pin_range->range);
if (IS_ERR(pin_range->pctldev)) {
ret = PTR_ERR(pin_range->pctldev);
- pr_err("%s: GPIO chip: could not create pin range\n",
- chip->label);
+ chip_err(chip, "could not create pin range\n");
kfree(pin_range);
return ret;
}
- pr_debug("GPIO chip %s: created GPIO range %d->%d ==> %s PIN %d->%d\n",
- chip->label, gpio_offset, gpio_offset + npins - 1,
+ chip_dbg(chip, "created GPIO range %d->%d ==> %s PIN %d->%d\n",
+ gpio_offset, gpio_offset + npins - 1,
pinctl_name,
pin_offset, pin_offset + npins - 1);
