From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date: Fri, 2 Dec 2022 18:35:34 +0000 (+0100)
Subject: pwm: rockchip: Propagate errors in .get_state() to the caller
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=790a8bae62f701821305dac37a9f6013cde8488f;p=linux.git

pwm: rockchip: 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: Heiko Stuebner <heiko@sntech.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221130152148.2769768-10-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>
---

diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
index 3ec7d17569034..7f084eb340923 100644
--- a/drivers/pwm/pwm-rockchip.c
+++ b/drivers/pwm/pwm-rockchip.c
@@ -70,11 +70,11 @@ static int rockchip_pwm_get_state(struct pwm_chip *chip,
 
 	ret = clk_enable(pc->pclk);
 	if (ret)
-		return 0;
+		return ret;
 
 	ret = clk_enable(pc->clk);
 	if (ret)
-		return 0;
+		return ret;
 
 	clk_rate = clk_get_rate(pc->clk);