diff options
| author | Guru Das Srinagesh <gurus@codeaurora.org> | 2020-06-03 00:31:13 +0200 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2020-06-17 20:42:09 +0200 |
| commit | c7dcccaec2f7e99f95ad4b7c20f4f9086c6982be (patch) | |
| tree | ded6d9556c9b743ab7a3e8706ea6ffcc7460ea1d /drivers/pwm/pwm-sun4i.c | |
| parent | pwm: sifive: Use 64-bit division macro (diff) | |
| download | linux-c7dcccaec2f7e99f95ad4b7c20f4f9086c6982be.tar.xz linux-c7dcccaec2f7e99f95ad4b7c20f4f9086c6982be.zip | |
pwm: sun4i: Use nsecs_to_jiffies to avoid a division
Since the PWM framework is switching struct pwm_state.period's datatype
to u64, prepare for this transition by using nsecs_to_jiffies() which
does away with the need for a division operation.
Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm/pwm-sun4i.c')
| -rw-r--r-- | drivers/pwm/pwm-sun4i.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c index 18fbbe3277d0..961c59c99bb3 100644 --- a/drivers/pwm/pwm-sun4i.c +++ b/drivers/pwm/pwm-sun4i.c @@ -285,7 +285,7 @@ static int sun4i_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, val = (duty & PWM_DTY_MASK) | PWM_PRD(period); sun4i_pwm_writel(sun4i_pwm, val, PWM_CH_PRD(pwm->hwpwm)); sun4i_pwm->next_period[pwm->hwpwm] = jiffies + - usecs_to_jiffies(cstate.period / 1000 + 1); + nsecs_to_jiffies(cstate.period + 1000); if (state->polarity != PWM_POLARITY_NORMAL) ctrl &= ~BIT_CH(PWM_ACT_STATE, pwm->hwpwm); |