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pwm: imx27: 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.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221130152148.2769768-8-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 19:35:32 +01:00 committed by Thierry Reding
parent ee02c1cb87
commit 51b9f2fb38
1 changed files with 1 additions and 1 deletions
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2
drivers/pwm/pwm-imx27.c
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@ -128,7 +128,7 @@ static int pwm_imx27_get_state(struct pwm_chip *chip,
ret = pwm_imx27_clk_prepare_enable(imx);
if (ret < 0)
return 0;
return ret;
val = readl(imx->mmio_base + MX3_PWMCR);