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pwm: Drop per-chip dbg_show callback 

This callback was introduced in commit 62099abf67 ("pwm: Add debugfs
interface") in 2012 and up to now there is not a single user. So drop
this unused code.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
[thierry.reding@gmail.com: remove kerneldoc for ->dbg_show()]
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Uwe Kleine-König 2019-01-07 20:49:39 +01:00 committed by Thierry Reding
parent 309b32fb97
commit cc2d224777
2 changed files with 1 additions and 8 deletions
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5
drivers/pwm/core.c
View File

@ -1036,10 +1036,7 @@ static int pwm_seq_show(struct seq_file *s, void *v)
dev_name(chip->dev), chip->npwm,
(chip->npwm != 1) ? "s" : "");
if (chip->ops->dbg_show)
chip->ops->dbg_show(chip, s);
else
pwm_dbg_show(chip, s);
pwm_dbg_show(chip, s);
return 0;
}

4
include/linux/pwm.h
View File

@ -254,7 +254,6 @@ pwm_set_relative_duty_cycle(struct pwm_state *state, unsigned int duty_cycle,
* @get_state: get the current PWM state. This function is only
* called once per PWM device when the PWM chip is
* registered.
* @dbg_show: optional routine to show contents in debugfs
* @owner: helps prevent removal of modules exporting active PWMs
*/
struct pwm_ops {
@ -272,9 +271,6 @@ struct pwm_ops {
struct pwm_state *state);
void (*get_state)(struct pwm_chip *chip, struct pwm_device *pwm,
struct pwm_state *state);
#ifdef CONFIG_DEBUG_FS
void (*dbg_show)(struct pwm_chip *chip, struct seq_file *s);
#endif
struct module *owner;
};