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* [RESEND PATCH V2 1/3] pwm: imx-tpm: Use dev_err_probe() to simplify error handling
@ 2020-10-20  5:41 ` Anson Huang
  0 siblings, 0 replies; 6+ messages in thread
From: Anson Huang @ 2020-10-20  5:41 UTC (permalink / raw)
  To: thierry.reding, u.kleine-koenig, lee.jones, shawnguo, s.hauer,
	kernel, festevam, linux-pwm, linux-arm-kernel, linux-kernel
  Cc: Linux-imx

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@nxp.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
changes since V1:
	- remove redundant return value print.
---
 drivers/pwm/pwm-imx-tpm.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/pwm/pwm-imx-tpm.c b/drivers/pwm/pwm-imx-tpm.c
index fcdf6be..aaf629b 100644
--- a/drivers/pwm/pwm-imx-tpm.c
+++ b/drivers/pwm/pwm-imx-tpm.c
@@ -350,13 +350,9 @@ static int pwm_imx_tpm_probe(struct platform_device *pdev)
 		return PTR_ERR(tpm->base);
 
 	tpm->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(tpm->clk)) {
-		ret = PTR_ERR(tpm->clk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev,
-				"failed to get PWM clock: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(tpm->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(tpm->clk),
+				     "failed to get PWM clock\n");
 
 	ret = clk_prepare_enable(tpm->clk);
 	if (ret) {
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2020-10-20  5:47 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-10-20  5:41 [RESEND PATCH V2 1/3] pwm: imx-tpm: Use dev_err_probe() to simplify error handling Anson Huang
2020-10-20  5:41 ` Anson Huang
2020-10-20  5:41 ` [RESEND PATCH V2 2/3] pwm: imx27: " Anson Huang
2020-10-20  5:41   ` Anson Huang
2020-10-20  5:41 ` [RESEND PATCH V2 3/3] pwm: imx1: " Anson Huang
2020-10-20  5:41   ` Anson Huang

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