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Message-Id: <1597127072-26365-3-git-send-email-Anson.Huang@nxp.com>
Date: Tue, 11 Aug 2020 14:24:32 +0800
From: Anson Huang <Anson.Huang@....com>
To: thierry.reding@...il.com, u.kleine-koenig@...gutronix.de,
lee.jones@...aro.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
kernel@...gutronix.de, festevam@...il.com,
linux-pwm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Cc: Linux-imx@....com
Subject: [PATCH V2 3/3] pwm: imx1: Use dev_err_probe() to simplify error handling
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 <Anson.Huang@....com>
---
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");
imx->chip.ops = &pwm_imx1_ops;
imx->chip.dev = &pdev->dev;
--
2.7.4
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