Commit 500f8798 authored Dec 02, 2022 by Uwe Kleine-König Committed by Thierry Reding Dec 06, 2022

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



.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>

parent 790a8bae

drivers/pwm/pwm-sprd.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);