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-rw-r--r--drivers/pinctrl/core.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 3e8d1630d29e..3663d87f51a0 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -27,6 +27,7 @@
#include <linux/pinctrl/machine.h>
#ifdef CONFIG_GPIOLIB
+#include "../gpio/gpiolib.h"
#include <asm-generic/gpio.h>
#endif
@@ -1601,6 +1602,9 @@ static int pinctrl_pins_show(struct seq_file *s, void *what)
struct pinctrl_dev *pctldev = s->private;
const struct pinctrl_ops *ops = pctldev->desc->pctlops;
unsigned i, pin;
+ struct pinctrl_gpio_range *range;
+ unsigned int gpio_num;
+ struct gpio_chip *chip;
seq_printf(s, "registered pins: %d\n", pctldev->desc->npins);
@@ -1618,6 +1622,23 @@ static int pinctrl_pins_show(struct seq_file *s, void *what)
seq_printf(s, "pin %d (%s) ", pin, desc->name);
+#ifdef CONFIG_GPIOLIB
+ gpio_num = 0;
+ list_for_each_entry(range, &pctldev->gpio_ranges, node) {
+ if ((pin >= range->pin_base) &&
+ (pin < (range->pin_base + range->npins))) {
+ gpio_num = range->base + (pin - range->pin_base);
+ break;
+ }
+ }
+ chip = gpio_to_chip(gpio_num);
+ if (chip && chip->gpiodev && chip->gpiodev->base)
+ seq_printf(s, "%u:%s ", gpio_num -
+ chip->gpiodev->base, chip->label);
+ else
+ seq_puts(s, "0:? ");
+#endif
+
/* Driver-specific info per pin */
if (ops->pin_dbg_show)
ops->pin_dbg_show(pctldev, s, pin);