| Message ID | d2d973f90eb1bbbcddf5dabaa99659dacf721744.1583889178.git.gurus@codeaurora.org |
|---|---|
| State | Changes Requested |
| Headers | show |
| Series | [v8,01/12] clk: pwm: Use 64-bit division function | expand |
On Wed, Mar 11, 2020 at 9:41 AM Guru Das Srinagesh <gurus@codeaurora.org> wrote: > > Since the PWM framework is switching struct pwm_state.period's datatype > to u64, prepare for this transition by using div_u64 to handle a 64-bit > dividend instead of a straight division operation. > > Cc: Maxime Ripard <mripard@kernel.org> > Cc: Chen-Yu Tsai <wens@csie.org> > Cc: Philipp Zabel <p.zabel@pengutronix.de> > > Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org> Acked-by: Chen-Yu Tsai <wens@csie.org>
diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c index 3e3efa6..772fdf4 100644 --- a/drivers/pwm/pwm-sun4i.c +++ b/drivers/pwm/pwm-sun4i.c @@ -286,7 +286,7 @@ 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); + usecs_to_jiffies(div_u64(cstate.period, 1000) + 1); sun4i_pwm->needs_delay[pwm->hwpwm] = true; if (state->polarity != PWM_POLARITY_NORMAL)
Since the PWM framework is switching struct pwm_state.period's datatype to u64, prepare for this transition by using div_u64 to handle a 64-bit dividend instead of a straight division operation. Cc: Maxime Ripard <mripard@kernel.org> Cc: Chen-Yu Tsai <wens@csie.org> Cc: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org> --- drivers/pwm/pwm-sun4i.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)