Thread (11 messages) flat view 11 messages, 4 authors, 2020-11-11

Re: [PATCH V2 3/3] pwm: imx1: Use dev_err_probe() to simplify error handling

From: Uwe Kleine-König <hidden>
Date: 2020-08-11 06:58:47
Also in: linux-pwm, lkml

On Tue, Aug 11, 2020 at 02:24:32PM +0800, Anson Huang wrote:
quoted hunk ↗ jump to hunk
dev_err_probe() can reduce code size, uniform error handling and record the
defer probe reason etc., use it to simplify the code.

Signed-off-by: Anson Huang <redacted>
---
changes since V1:
	- remove redundant return value print.
---
 drivers/pwm/pwm-imx1.c | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)
diff --git a/drivers/pwm/pwm-imx1.c b/drivers/pwm/pwm-imx1.c
index f8b2c2e..4877734 100644
--- a/drivers/pwm/pwm-imx1.c
+++ b/drivers/pwm/pwm-imx1.c
@@ -145,23 +145,14 @@ static int pwm_imx1_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, imx);
 
 	imx->clk_ipg = devm_clk_get(&pdev->dev, "ipg");
-	if (IS_ERR(imx->clk_ipg)) {
-		dev_err(&pdev->dev, "getting ipg clock failed with %ld\n",
-				PTR_ERR(imx->clk_ipg));
-		return PTR_ERR(imx->clk_ipg);
-	}
+	if (IS_ERR(imx->clk_ipg))
+		return dev_err_probe(&pdev->dev, PTR_ERR(imx->clk_ipg),
+				     "getting ipg clock failed\n");
 
 	imx->clk_per = devm_clk_get(&pdev->dev, "per");
-	if (IS_ERR(imx->clk_per)) {
-		int ret = PTR_ERR(imx->clk_per);
-
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev,
-				"failed to get peripheral clock: %d\n",
-				ret);
-
-		return ret;
-	}
+	if (IS_ERR(imx->clk_per))
+		return dev_err_probe(&pdev->dev, PTR_ERR(imx->clk_per),
+				     "failed to get peripheral clock\n");
Acked-by: Uwe Kleine-König <redacted>

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |
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