From 51b9f2fb38bd209bbfa49e1eca2e262667f29e48 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Fri, 2 Dec 2022 19:35:32 +0100 Subject: [PATCH] pwm: imx27: 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/20221130152148.2769768-8-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König Signed-off-by: Thierry Reding --- drivers/pwm/pwm-imx27.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pwm/pwm-imx27.c b/drivers/pwm/pwm-imx27.c index 3a22c2fddc45..29a3089c534c 100644 --- a/drivers/pwm/pwm-imx27.c +++ b/drivers/pwm/pwm-imx27.c @@ -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);