linux-kernel - [PATCH] pwm: rockchip: Convert to use dev_err

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Message-Id: <20220817055949.20497-1-zhaoxiao@uniontech.com>
Date:   Wed, 17 Aug 2022 13:59:49 +0800
From:   zhaoxiao <zhaoxiao@...ontech.com>
To:     thierry.reding@...il.com, heiko@...ech.de
Cc:     u.kleine-koenig@...gutronix.de, linux-pwm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        zhaoxiao <zhaoxiao@...ontech.com>
Subject: [PATCH] pwm: rockchip: Convert to use dev_err_probe()

It's fine to call dev_err_probe() in ->probe() when error code is known.
Convert the driver to use dev_err_probe().

Signed-off-by: zhaoxiao <zhaoxiao@...ontech.com>
---
 drivers/pwm/pwm-rockchip.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
index f3647b317152..bd7ab37aaf88 100644
--- a/drivers/pwm/pwm-rockchip.c
+++ b/drivers/pwm/pwm-rockchip.c
@@ -331,15 +331,12 @@ static int rockchip_pwm_probe(struct platform_device *pdev)
 	if (IS_ERR(pc->pclk)) {
 		ret = PTR_ERR(pc->pclk);
 		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Can't get APB clk: %d\n", ret);
-		return ret;
+			return dev_err_probe(&pdev->dev, ret, "Can't get APB clk: %d\n");
 	}
 
 	ret = clk_prepare_enable(pc->clk);
-	if (ret) {
-		dev_err(&pdev->dev, "Can't prepare enable PWM clk: %d\n", ret);
-		return ret;
-	}
+	if (ret)
+		dev_err_probe(&pdev->dev, ret, "Can't prepare enable PWM clk: %d\n");
 
 	ret = clk_prepare_enable(pc->pclk);
 	if (ret) {
-- 
2.20.1