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authorGuru Das Srinagesh <gurus@codeaurora.org>2020-06-02 15:31:13 -0700
committerThierry Reding <thierry.reding@gmail.com>2020-06-17 20:42:09 +0200
commitc7dcccaec2f7e99f95ad4b7c20f4f9086c6982be (patch)
treeded6d9556c9b743ab7a3e8706ea6ffcc7460ea1d /drivers/pwm
parent4cc23430a5361f29999545de34fc05fa7d8e513b (diff)
downloadlinux-c7dcccaec2f7e99f95ad4b7c20f4f9086c6982be.tar.bz2
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')
-rw-r--r--drivers/pwm/pwm-sun4i.c2
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);