diff mbox series

[3/3] pwm: Mention PWM chip ID in /sys/kernel/debug/pwm

Message ID 20231114112009.340168-4-u.kleine-koenig@pengutronix.de
State Accepted
Delegated to: Uwe Kleine-König
Headers show
Series pwm: Reorganize PWM identification | expand

Commit Message

Uwe Kleine-König Nov. 14, 2023, 11:20 a.m. UTC
While it's not hard to match the entries from /sys/kernel/debug/pwm to
the corresponding pwmchip in /sys/class/pwm, it's a bit simpler to have
the number mentioned in /sys/kernel/debug/pwm.

Link: https://lore.kernel.org/r/20230808165250.942396-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/pwm/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 586277c3eee4..58a9d3df73a1 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -1062,7 +1062,8 @@  static int pwm_seq_show(struct seq_file *s, void *v)
 {
 	struct pwm_chip *chip = v;
 
-	seq_printf(s, "%s%s/%s, %d PWM device%s\n", (char *)s->private,
+	seq_printf(s, "%s%d: %s/%s, %d PWM device%s\n",
+		   (char *)s->private, chip->id,
 		   chip->dev->bus ? chip->dev->bus->name : "no-bus",
 		   dev_name(chip->dev), chip->npwm,
 		   (chip->npwm != 1) ? "s" : "");