pwm: Mention PWM chip ID in /sys/kernel/debug/pwm

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>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index ebe404dfdf5bad4a41e10ef68c9e82f8a18959fd..fb36b3d559a729d93d5575c4c2a87861439325d7 100644 (file)
--- 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" : "");