[PATCH V2 1/3] pwm: imx-tpm: Use dev_err_probe() to simplify error handling

[PATCH V2 1/3] pwm: imx-tpm: Use dev_err_probe() to simplify error handling

[Anson Huang]

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>
---
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


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[PATCH V2 2/3] pwm: imx27: Use dev_err_probe() to simplify error handling

[Anson Huang]

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>
---
changes since V1:
	- remove redundant return value print.
---
 drivers/pwm/pwm-imx27.c | 25 ++++++-------------------
 1 file changed, 6 insertions(+), 19 deletions(-)

diff --git a/drivers/pwm/pwm-imx27.c b/drivers/pwm/pwm-imx27.c
index c50d453..ceaed03 100644
--- a/drivers/pwm/pwm-imx27.c
+++ b/drivers/pwm/pwm-imx27.c
@@ -315,27 +315,14 @@ static int pwm_imx27_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)) {
-		int ret = PTR_ERR(imx->clk_ipg);
-
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev,
-				"getting ipg clock failed with %d\n",
-				ret);
-		return ret;
-	}
+	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_imx27_ops;
 	imx->chip.dev = &pdev->dev;
-- 
2.7.4


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Re: [PATCH V2 2/3] pwm: imx27: Use dev_err_probe() to simplify error handling

[Lee Jones]

On Tue, 11 Aug 2020, Anson Huang wrote:

> 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>
> ---
> changes since V1:
> 	- remove redundant return value print.
> ---
>  drivers/pwm/pwm-imx27.c | 25 ++++++-------------------
>  1 file changed, 6 insertions(+), 19 deletions(-)

Acked-by: Lee Jones <lee.jones@linaro.org>

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog

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Re: [PATCH V2 2/3] pwm: imx27: Use dev_err_probe() to simplify error handling

[Uwe Kleine-König]

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On Tue, Aug 11, 2020 at 02:24:31PM +0800, Anson Huang wrote:
> 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>

Best regards
Uwe

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

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

[Anson Huang]

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

[Lee Jones]

On Tue, 11 Aug 2020, Anson Huang wrote:

> 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>
> ---
> changes since V1:
> 	- remove redundant return value print.
> ---
>  drivers/pwm/pwm-imx1.c | 21 ++++++---------------
>  1 file changed, 6 insertions(+), 15 deletions(-)

Acked-by: Lee Jones <lee.jones@linaro.org>

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog

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

[Uwe Kleine-König]

[-- Attachment #1.1: Type: text/plain, Size: 1763 bytes --]

On Tue, Aug 11, 2020 at 02:24:32PM +0800, Anson Huang wrote:
> 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>
> ---
> 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 <u.kleine-koenig@pengutronix.de>

Best regards
Uwe

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

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Re: [PATCH V2 1/3] pwm: imx-tpm: Use dev_err_probe() to simplify error handling

[Lee Jones]

On Tue, 11 Aug 2020, Anson Huang wrote:

> 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>
> ---
> changes since V1:
> 	- remove redundant return value print.
> ---
>  drivers/pwm/pwm-imx-tpm.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)

Acked-by: Lee Jones <lee.jones@linaro.org>

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog

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Re: [PATCH V2 1/3] pwm: imx-tpm: Use dev_err_probe() to simplify error handling

[Uwe Kleine-König]

[-- Attachment #1.1: Type: text/plain, Size: 491 bytes --]

On Tue, Aug 11, 2020 at 02:24:30PM +0800, Anson Huang wrote:
> 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>

Thanks
Uwe

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

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RE: [PATCH V2 1/3] pwm: imx-tpm: Use dev_err_probe() to simplify error handling

[Anson Huang]

Gentle ping...

> Subject: [PATCH V2 1/3] pwm: imx-tpm: 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@nxp.com>
> ---
> 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


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Re: [PATCH V2 1/3] pwm: imx-tpm: Use dev_err_probe() to simplify error handling

[Thierry Reding]

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On Tue, Aug 11, 2020 at 02:24:30PM +0800, Anson Huang wrote:
> 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>
> ---
> changes since V1:
> 	- remove redundant return value print.
> ---
>  drivers/pwm/pwm-imx-tpm.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)

All three patches applied, thanks.

Thierry

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