From 9c9d5e9957ac443cc544d63688e2442c230430ea Mon Sep 17 00:00:00 2001 From: Uwe Kleine-König Date: Fri, 2 Dec 2022 19:35:30 +0100 Subject: pwm: crc: Propagate errors in .get_state() to the caller MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit .get_state() can return an error indication. Make use of it to propagate failing hardware accesses. Acked-by: Conor Dooley Link: https://lore.kernel.org/r/20221130152148.2769768-6-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König Signed-off-by: Thierry Reding --- drivers/pwm/pwm-crc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/pwm/pwm-crc.c') 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; -- cgit v1.2.3