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| author | Uwe Kleine-König <u.kleine-koenig@baylibre.com> | 2025-08-11 18:01:00 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-15 12:00:01 +0200 |
| commit | 6599fff32020d092497f1b109deaa2613edda799 (patch) | |
| tree | 6f82981156d53cd9e5091d1ba53cdc6a517ada29 /drivers/pwm | |
| parent | 0a953be6e35c67187d8c42cc1427a10e8247ed68 (diff) | |
| download | linux-6599fff32020d092497f1b109deaa2613edda799.tar.gz linux-6599fff32020d092497f1b109deaa2613edda799.tar.bz2 linux-6599fff32020d092497f1b109deaa2613edda799.zip | |
pwm: tiehrpwm: Make code comment in .free() more useful
[ Upstream commit 878dbfc12cc52b17d79d205560c0fafcf5332b13 ]
Instead of explaining trivia to everyone who can read C describe the
higher-level effect of setting pc->period_cycles[pwm->hwpwm] to zero.
Fixes: 01b2d4536f02 ("pwm: pwm-tiehrpwm: Fix conflicting channel period setting")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/4c38dd119a77d7017115318a3f2c50bde62a6f21.1754927682.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-tiehrpwm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c index 5e674a7bbf3b..a94b1e387b92 100644 --- a/drivers/pwm/pwm-tiehrpwm.c +++ b/drivers/pwm/pwm-tiehrpwm.c @@ -391,7 +391,7 @@ static void ehrpwm_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) { struct ehrpwm_pwm_chip *pc = to_ehrpwm_pwm_chip(chip); - /* set period value to zero on free */ + /* Don't let a pwm without consumer block requests to the other channel */ pc->period_cycles[pwm->hwpwm] = 0; } |