diff mbox series

[v2,05/11] pwm: crc: Propagate errors in .get_state() to the caller

Message ID 20221130152148.2769768-6-u.kleine-koenig@pengutronix.de
State Accepted
Headers show
Series pwm: Allow .get_state to fail | expand

Commit Message

Uwe Kleine-König Nov. 30, 2022, 3:21 p.m. UTC 
.get_state() can return an error indication. Make use of it to propagate
failing hardware accesses.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/pwm/pwm-crc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pwm/pwm-crc.c b/drivers/pwm/pwm-crc.c
index 4099850117ba..4703b4a0b6e4 100644
--- a/drivers/pwm/pwm-crc.c
+++ b/drivers/pwm/pwm-crc.c
@@ -132,13 +132,13 @@  static int crc_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
 	error = regmap_read(crc_pwm->regmap, PWM0_CLK_DIV, &clk_div_reg);
 	if (error) {
 		dev_err(dev, "Error reading PWM0_CLK_DIV %d\n", error);
-		return 0;
+		return error;
 	}
 
 	error = regmap_read(crc_pwm->regmap, PWM0_DUTY_CYCLE, &duty_cycle_reg);
 	if (error) {
 		dev_err(dev, "Error reading PWM0_DUTY_CYCLE %d\n", error);
-		return 0;
+		return error;
 	}
 
 	clk_div = (clk_div_reg & ~PWM_OUTPUT_ENABLE) + 1;