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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2022-12-02 21:35:35 +0300
committerThierry Reding <thierry.reding@gmail.com>2022-12-06 14:46:28 +0300
commit500f879843adf329281e418d302e1ad40baa26c3 (patch)
treefedcff172b63a332eb3510777846ef984cf034bc /drivers/pwm
parent790a8bae62f701821305dac37a9f6013cde8488f (diff)
downloadlinux-500f879843adf329281e418d302e1ad40baa26c3.tar.xz
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>
Diffstat (limited to 'drivers/pwm')
-rw-r--r--drivers/pwm/pwm-sprd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-sprd.c b/drivers/pwm/pwm-sprd.c
index bda8bc5af976..d866ce345f97 100644
--- a/drivers/pwm/pwm-sprd.c
+++ b/drivers/pwm/pwm-sprd.c
@@ -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);