diff options
| author | Baruch Siach <baruch@tkos.co.il> | 2021-01-17 15:17:02 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-30 13:32:11 +0100 |
| commit | 4e5ee86dcb0003ae9ed0b477e47a1d0aaf2f8c67 (patch) | |
| tree | 76fe5f65173ee73d7008b491b9a864660d7140a7 /kernel | |
| parent | c4ff839de17f38b0ae0f8983b5c5186f8a389238 (diff) | |
gpio: mvebu: fix pwm .get_state period calculation
commit e73b0101ae5124bf7cd3fb5d250302ad2f16a416 upstream.
The period is the sum of on and off values. That is, calculate period as
($on + $off) / clkrate
instead of
$off / clkrate - $on / clkrate
that makes no sense.
Reported-by: Russell King <linux@armlinux.org.uk>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Fixes: 757642f9a584e ("gpio: mvebu: Add limited PWM support")
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
[baruch: backport to kernels <= v5.10]
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions