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pwm: sprd: Propagate errors in .get_state() to the caller

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.get_state() can return an error indication. Make use of it to propagate
failing hardware accesses.

Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221130152148.2769768-11-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Uwe Kleine-König 2022-12-02 19:35:35 +01:00 committed by Thierry Reding
parent 790a8bae62
commit 500f879843
1 changed files with 1 additions and 1 deletions
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2
drivers/pwm/pwm-sprd.c
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@ -83,7 +83,7 @@ static int sprd_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
if (ret) {
dev_err(spc->dev, "failed to enable pwm%u clocks\n",
pwm->hwpwm);
return 0;
return ret;
}
val = sprd_pwm_read(spc, pwm->hwpwm, SPRD_PWM_ENABLE);