Message ID | c6d59480-df25-9244-82ec-fcd26dbe5022@gmail.com |
---|---|
State | Accepted |
Headers | show |
Series | pwm: meson: make full use of common clock framework | expand |
diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index 33107204a..aad4a0ed3 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -204,12 +204,7 @@ static int meson_pwm_calc(struct meson_pwm *meson, struct pwm_device *pwm, channel->hi = 0; channel->lo = cnt; } else { - /* Then check is we can have the duty with the same pre_div */ duty_cnt = div64_u64(fin_freq * duty, NSEC_PER_SEC * (pre_div + 1)); - if (duty_cnt > 0xffff) { - dev_err(meson->chip.dev, "unable to get duty cycle\n"); - return -EINVAL; - } dev_dbg(meson->chip.dev, "duty=%llu pre_div=%u duty_cnt=%u\n", duty, pre_div, duty_cnt);
period >= duty implies that cnt >= duty_cnt. We verified before that cnt <= 0xffff, therefore we can omit the check here. Suggested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> --- drivers/pwm/pwm-meson.c | 5 ----- 1 file changed, 5 deletions(-)