On Mon, 2017-06-26 at 11:43 +0300, m18063 wrote:
>
> On 23.06.2017 08:08, Zhi Mao wrote:
> > Replace "7" with "PWM_CLK_DIV_MAX" in function:mtk_pwm_config()
> > to improve the code readablity.
> >
> > Signed-off-by: Zhi Mao <zhi.mao@xxxxxxxxxxxx>
> > ---
> > drivers/pwm/pwm-mediatek.c | 6 +++++-
> > 1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c
> > index 554a042..e5f6425 100644
> > --- a/drivers/pwm/pwm-mediatek.c
> > +++ b/drivers/pwm/pwm-mediatek.c
> > @@ -30,6 +30,8 @@
> > #define PWMDWIDTH 0x2c
> > #define PWMTHRES 0x30
> >
> > +#define PWM_CLK_DIV_MAX 7
> > +
> > enum {
> > MTK_CLK_MAIN = 0,
> > MTK_CLK_TOP,
> > @@ -130,8 +132,10 @@ static int mtk_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
> > clkdiv++;
> > }
> >
> > - if (clkdiv > 7)
> > + if (clkdiv > PWM_CLK_DIV_MAX) {
> You forgot to:
> mtk_pwm_clk_disable(chip, pwm);
Hi Claudiu,
Thanks for your suggestion.
It's a problem, I will modify this in the next release.
Regards,
Zhi
> > + dev_err(chip->dev, "period %d not supported\n", period_ns);
> > return -EINVAL;
> > + }
> >
> > mtk_pwm_writel(pc, pwm->hwpwm, PWMCON, BIT(15) | clkdiv);
> > mtk_pwm_writel(pc, pwm->hwpwm, PWMDWIDTH, period_ns / resolution);
> >
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