Messages in this thread Patch in this message | | | From | Guru Das Srinagesh <> | Subject | [RESEND PATCH v14 08/11] pwm: sun4i: Use nsecs_to_jiffies to avoid a division | Date | Tue, 12 May 2020 17:39:42 -0700 |
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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> --- drivers/pwm/pwm-sun4i.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c index 5c677c5..1694e69 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); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
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