[PATCH 1/9] i2c: stm32: Simplify with dev_err_probe()

[PATCH 1/9] i2c: stm32: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-stm32.c   | 11 ++++-------
 drivers/i2c/busses/i2c-stm32f4.c |  6 ++----
 drivers/i2c/busses/i2c-stm32f7.c | 24 +++++++++---------------
 3 files changed, 15 insertions(+), 26 deletions(-)

diff --git a/drivers/i2c/busses/i2c-stm32.c b/drivers/i2c/busses/i2c-stm32.c
index 3f69a3bb6119..198f848b7be9 100644
--- a/drivers/i2c/busses/i2c-stm32.c
+++ b/drivers/i2c/busses/i2c-stm32.c
@@ -25,9 +25,8 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
 	/* Request and configure I2C TX dma channel */
 	dma->chan_tx = dma_request_chan(dev, "tx");
 	if (IS_ERR(dma->chan_tx)) {
-		ret = PTR_ERR(dma->chan_tx);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "can't request DMA tx channel\n");
+		ret = dev_err_probe(dev, PTR_ERR(dma->chan_tx),
+				    "can't request DMA tx channel\n");
 		goto fail_al;
 	}
 
@@ -45,10 +44,8 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
 	/* Request and configure I2C RX dma channel */
 	dma->chan_rx = dma_request_chan(dev, "rx");
 	if (IS_ERR(dma->chan_rx)) {
-		ret = PTR_ERR(dma->chan_rx);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "can't request DMA rx channel\n");
-
+		ret = dev_err_probe(dev, PTR_ERR(dma->chan_rx),
+				    "can't request DMA rx channel\n");
 		goto fail_tx;
 	}
 
diff --git a/drivers/i2c/busses/i2c-stm32f4.c b/drivers/i2c/busses/i2c-stm32f4.c
index 48e269284369..937c2c8fd349 100644
--- a/drivers/i2c/busses/i2c-stm32f4.c
+++ b/drivers/i2c/busses/i2c-stm32f4.c
@@ -797,10 +797,8 @@ static int stm32f4_i2c_probe(struct platform_device *pdev)
 
 	rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
 	if (IS_ERR(rst)) {
-		ret = PTR_ERR(rst);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
-
+		ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
+				    "Error: Missing reset ctrl\n");
 		goto clk_free;
 	}
 	reset_control_assert(rst);
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index bff3479fe122..a8f1758e4c5b 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -1968,11 +1968,9 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
 						    "wakeup-source");
 
 	i2c_dev->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(i2c_dev->clk)) {
-		if (PTR_ERR(i2c_dev->clk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Failed to get controller clock\n");
-		return PTR_ERR(i2c_dev->clk);
-	}
+	if (IS_ERR(i2c_dev->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->clk),
+				     "Failed to get controller clock\n");
 
 	ret = clk_prepare_enable(i2c_dev->clk);
 	if (ret) {
@@ -1982,10 +1980,8 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
 
 	rst = devm_reset_control_get(&pdev->dev, NULL);
 	if (IS_ERR(rst)) {
-		ret = PTR_ERR(rst);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
-
+		ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
+				    "Error: Missing reset ctrl\n");
 		goto clk_free;
 	}
 	reset_control_assert(rst);
@@ -2052,13 +2048,11 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
 	i2c_dev->dma = stm32_i2c_dma_request(i2c_dev->dev, phy_addr,
 					     STM32F7_I2C_TXDR,
 					     STM32F7_I2C_RXDR);
-	if (PTR_ERR(i2c_dev->dma) == -ENODEV)
+	if (PTR_ERR(i2c_dev->dma) == -ENODEV) {
 		i2c_dev->dma = NULL;
-	else if (IS_ERR(i2c_dev->dma)) {
-		ret = PTR_ERR(i2c_dev->dma);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev,
-				"Failed to request dma error %i\n", ret);
+	} else if (IS_ERR(i2c_dev->dma)) {
+		ret = dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->dma),
+				    "Failed to request dma error\n");
 		goto fmp_clear;
 	}
 
-- 
2.17.1

[PATCH 1/9] i2c: stm32: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-stm32.c   | 11 ++++-------
 drivers/i2c/busses/i2c-stm32f4.c |  6 ++----
 drivers/i2c/busses/i2c-stm32f7.c | 24 +++++++++---------------
 3 files changed, 15 insertions(+), 26 deletions(-)

diff --git a/drivers/i2c/busses/i2c-stm32.c b/drivers/i2c/busses/i2c-stm32.c
index 3f69a3bb6119..198f848b7be9 100644
--- a/drivers/i2c/busses/i2c-stm32.c
+++ b/drivers/i2c/busses/i2c-stm32.c
@@ -25,9 +25,8 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
 	/* Request and configure I2C TX dma channel */
 	dma->chan_tx = dma_request_chan(dev, "tx");
 	if (IS_ERR(dma->chan_tx)) {
-		ret = PTR_ERR(dma->chan_tx);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "can't request DMA tx channel\n");
+		ret = dev_err_probe(dev, PTR_ERR(dma->chan_tx),
+				    "can't request DMA tx channel\n");
 		goto fail_al;
 	}
 
@@ -45,10 +44,8 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
 	/* Request and configure I2C RX dma channel */
 	dma->chan_rx = dma_request_chan(dev, "rx");
 	if (IS_ERR(dma->chan_rx)) {
-		ret = PTR_ERR(dma->chan_rx);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "can't request DMA rx channel\n");
-
+		ret = dev_err_probe(dev, PTR_ERR(dma->chan_rx),
+				    "can't request DMA rx channel\n");
 		goto fail_tx;
 	}
 
diff --git a/drivers/i2c/busses/i2c-stm32f4.c b/drivers/i2c/busses/i2c-stm32f4.c
index 48e269284369..937c2c8fd349 100644
--- a/drivers/i2c/busses/i2c-stm32f4.c
+++ b/drivers/i2c/busses/i2c-stm32f4.c
@@ -797,10 +797,8 @@ static int stm32f4_i2c_probe(struct platform_device *pdev)
 
 	rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
 	if (IS_ERR(rst)) {
-		ret = PTR_ERR(rst);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
-
+		ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
+				    "Error: Missing reset ctrl\n");
 		goto clk_free;
 	}
 	reset_control_assert(rst);
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index bff3479fe122..a8f1758e4c5b 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -1968,11 +1968,9 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
 						    "wakeup-source");
 
 	i2c_dev->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(i2c_dev->clk)) {
-		if (PTR_ERR(i2c_dev->clk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Failed to get controller clock\n");
-		return PTR_ERR(i2c_dev->clk);
-	}
+	if (IS_ERR(i2c_dev->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->clk),
+				     "Failed to get controller clock\n");
 
 	ret = clk_prepare_enable(i2c_dev->clk);
 	if (ret) {
@@ -1982,10 +1980,8 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
 
 	rst = devm_reset_control_get(&pdev->dev, NULL);
 	if (IS_ERR(rst)) {
-		ret = PTR_ERR(rst);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
-
+		ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
+				    "Error: Missing reset ctrl\n");
 		goto clk_free;
 	}
 	reset_control_assert(rst);
@@ -2052,13 +2048,11 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
 	i2c_dev->dma = stm32_i2c_dma_request(i2c_dev->dev, phy_addr,
 					     STM32F7_I2C_TXDR,
 					     STM32F7_I2C_RXDR);
-	if (PTR_ERR(i2c_dev->dma) == -ENODEV)
+	if (PTR_ERR(i2c_dev->dma) == -ENODEV) {
 		i2c_dev->dma = NULL;
-	else if (IS_ERR(i2c_dev->dma)) {
-		ret = PTR_ERR(i2c_dev->dma);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev,
-				"Failed to request dma error %i\n", ret);
+	} else if (IS_ERR(i2c_dev->dma)) {
+		ret = dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->dma),
+				    "Failed to request dma error\n");
 		goto fmp_clear;
 	}
 
-- 
2.17.1


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[PATCH 1/9] i2c: stm32: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-stm32.c   | 11 ++++-------
 drivers/i2c/busses/i2c-stm32f4.c |  6 ++----
 drivers/i2c/busses/i2c-stm32f7.c | 24 +++++++++---------------
 3 files changed, 15 insertions(+), 26 deletions(-)

diff --git a/drivers/i2c/busses/i2c-stm32.c b/drivers/i2c/busses/i2c-stm32.c
index 3f69a3bb6119..198f848b7be9 100644
--- a/drivers/i2c/busses/i2c-stm32.c
+++ b/drivers/i2c/busses/i2c-stm32.c
@@ -25,9 +25,8 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
 	/* Request and configure I2C TX dma channel */
 	dma->chan_tx = dma_request_chan(dev, "tx");
 	if (IS_ERR(dma->chan_tx)) {
-		ret = PTR_ERR(dma->chan_tx);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "can't request DMA tx channel\n");
+		ret = dev_err_probe(dev, PTR_ERR(dma->chan_tx),
+				    "can't request DMA tx channel\n");
 		goto fail_al;
 	}
 
@@ -45,10 +44,8 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
 	/* Request and configure I2C RX dma channel */
 	dma->chan_rx = dma_request_chan(dev, "rx");
 	if (IS_ERR(dma->chan_rx)) {
-		ret = PTR_ERR(dma->chan_rx);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "can't request DMA rx channel\n");
-
+		ret = dev_err_probe(dev, PTR_ERR(dma->chan_rx),
+				    "can't request DMA rx channel\n");
 		goto fail_tx;
 	}
 
diff --git a/drivers/i2c/busses/i2c-stm32f4.c b/drivers/i2c/busses/i2c-stm32f4.c
index 48e269284369..937c2c8fd349 100644
--- a/drivers/i2c/busses/i2c-stm32f4.c
+++ b/drivers/i2c/busses/i2c-stm32f4.c
@@ -797,10 +797,8 @@ static int stm32f4_i2c_probe(struct platform_device *pdev)
 
 	rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
 	if (IS_ERR(rst)) {
-		ret = PTR_ERR(rst);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
-
+		ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
+				    "Error: Missing reset ctrl\n");
 		goto clk_free;
 	}
 	reset_control_assert(rst);
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index bff3479fe122..a8f1758e4c5b 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -1968,11 +1968,9 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
 						    "wakeup-source");
 
 	i2c_dev->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(i2c_dev->clk)) {
-		if (PTR_ERR(i2c_dev->clk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Failed to get controller clock\n");
-		return PTR_ERR(i2c_dev->clk);
-	}
+	if (IS_ERR(i2c_dev->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->clk),
+				     "Failed to get controller clock\n");
 
 	ret = clk_prepare_enable(i2c_dev->clk);
 	if (ret) {
@@ -1982,10 +1980,8 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
 
 	rst = devm_reset_control_get(&pdev->dev, NULL);
 	if (IS_ERR(rst)) {
-		ret = PTR_ERR(rst);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
-
+		ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
+				    "Error: Missing reset ctrl\n");
 		goto clk_free;
 	}
 	reset_control_assert(rst);
@@ -2052,13 +2048,11 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
 	i2c_dev->dma = stm32_i2c_dma_request(i2c_dev->dev, phy_addr,
 					     STM32F7_I2C_TXDR,
 					     STM32F7_I2C_RXDR);
-	if (PTR_ERR(i2c_dev->dma) == -ENODEV)
+	if (PTR_ERR(i2c_dev->dma) == -ENODEV) {
 		i2c_dev->dma = NULL;
-	else if (IS_ERR(i2c_dev->dma)) {
-		ret = PTR_ERR(i2c_dev->dma);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev,
-				"Failed to request dma error %i\n", ret);
+	} else if (IS_ERR(i2c_dev->dma)) {
+		ret = dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->dma),
+				    "Failed to request dma error\n");
 		goto fmp_clear;
 	}
 
-- 
2.17.1


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[PATCH 2/9] i2c: xiic: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-xiic.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 90c1c362394d..a97438f35c5d 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -787,11 +787,10 @@ static int xiic_i2c_probe(struct platform_device *pdev)
 	init_waitqueue_head(&i2c->wait);
 
 	i2c->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(i2c->clk)) {
-		if (PTR_ERR(i2c->clk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "input clock not found.\n");
-		return PTR_ERR(i2c->clk);
-	}
+	if (IS_ERR(i2c->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c->clk),
+				     "input clock not found.\n");
+
 	ret = clk_prepare_enable(i2c->clk);
 	if (ret) {
 		dev_err(&pdev->dev, "Unable to enable clock.\n");
-- 
2.17.1

[PATCH 2/9] i2c: xiic: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-xiic.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 90c1c362394d..a97438f35c5d 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -787,11 +787,10 @@ static int xiic_i2c_probe(struct platform_device *pdev)
 	init_waitqueue_head(&i2c->wait);
 
 	i2c->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(i2c->clk)) {
-		if (PTR_ERR(i2c->clk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "input clock not found.\n");
-		return PTR_ERR(i2c->clk);
-	}
+	if (IS_ERR(i2c->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c->clk),
+				     "input clock not found.\n");
+
 	ret = clk_prepare_enable(i2c->clk);
 	if (ret) {
 		dev_err(&pdev->dev, "Unable to enable clock.\n");
-- 
2.17.1


_______________________________________________
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linux-arm-kernel@lists.infradead.org
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[PATCH 2/9] i2c: xiic: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-xiic.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 90c1c362394d..a97438f35c5d 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -787,11 +787,10 @@ static int xiic_i2c_probe(struct platform_device *pdev)
 	init_waitqueue_head(&i2c->wait);
 
 	i2c->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(i2c->clk)) {
-		if (PTR_ERR(i2c->clk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "input clock not found.\n");
-		return PTR_ERR(i2c->clk);
-	}
+	if (IS_ERR(i2c->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c->clk),
+				     "input clock not found.\n");
+
 	ret = clk_prepare_enable(i2c->clk);
 	if (ret) {
 		dev_err(&pdev->dev, "Unable to enable clock.\n");
-- 
2.17.1


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Re: [PATCH 2/9] i2c: xiic: Simplify with dev_err_probe()

[Michal Simek]

st 2. 9. 2020 v 17:10 odesílatel Krzysztof Kozlowski <krzk@kernel.org> napsal:
>
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
>  drivers/i2c/busses/i2c-xiic.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
> index 90c1c362394d..a97438f35c5d 100644
> --- a/drivers/i2c/busses/i2c-xiic.c
> +++ b/drivers/i2c/busses/i2c-xiic.c
> @@ -787,11 +787,10 @@ static int xiic_i2c_probe(struct platform_device *pdev)
>         init_waitqueue_head(&i2c->wait);
>
>         i2c->clk = devm_clk_get(&pdev->dev, NULL);
> -       if (IS_ERR(i2c->clk)) {
> -               if (PTR_ERR(i2c->clk) != -EPROBE_DEFER)
> -                       dev_err(&pdev->dev, "input clock not found.\n");
> -               return PTR_ERR(i2c->clk);
> -       }
> +       if (IS_ERR(i2c->clk))
> +               return dev_err_probe(&pdev->dev, PTR_ERR(i2c->clk),
> +                                    "input clock not found.\n");
> +
>         ret = clk_prepare_enable(i2c->clk);
>         if (ret) {
>                 dev_err(&pdev->dev, "Unable to enable clock.\n");
> --
> 2.17.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

I see that this didn't go through.
Acked-by: Michal Simek <michal.simek@xilinx.com>

Wolfram: Can you please apply?

Thanks,
Michal


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs

Re: [PATCH 2/9] i2c: xiic: Simplify with dev_err_probe()

[Michal Simek]

st 2. 9. 2020 v 17:10 odesílatel Krzysztof Kozlowski <krzk@kernel.org> napsal:
>
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
>  drivers/i2c/busses/i2c-xiic.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
> index 90c1c362394d..a97438f35c5d 100644
> --- a/drivers/i2c/busses/i2c-xiic.c
> +++ b/drivers/i2c/busses/i2c-xiic.c
> @@ -787,11 +787,10 @@ static int xiic_i2c_probe(struct platform_device *pdev)
>         init_waitqueue_head(&i2c->wait);
>
>         i2c->clk = devm_clk_get(&pdev->dev, NULL);
> -       if (IS_ERR(i2c->clk)) {
> -               if (PTR_ERR(i2c->clk) != -EPROBE_DEFER)
> -                       dev_err(&pdev->dev, "input clock not found.\n");
> -               return PTR_ERR(i2c->clk);
> -       }
> +       if (IS_ERR(i2c->clk))
> +               return dev_err_probe(&pdev->dev, PTR_ERR(i2c->clk),
> +                                    "input clock not found.\n");
> +
>         ret = clk_prepare_enable(i2c->clk);
>         if (ret) {
>                 dev_err(&pdev->dev, "Unable to enable clock.\n");
> --
> 2.17.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

I see that this didn't go through.
Acked-by: Michal Simek <michal.simek@xilinx.com>

Wolfram: Can you please apply?

Thanks,
Michal


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs

_______________________________________________
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Re: [PATCH 2/9] i2c: xiic: Simplify with dev_err_probe()

[Michal Simek]

st 2. 9. 2020 v 17:10 odesílatel Krzysztof Kozlowski <krzk@kernel.org> napsal:
>
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
>  drivers/i2c/busses/i2c-xiic.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
> index 90c1c362394d..a97438f35c5d 100644
> --- a/drivers/i2c/busses/i2c-xiic.c
> +++ b/drivers/i2c/busses/i2c-xiic.c
> @@ -787,11 +787,10 @@ static int xiic_i2c_probe(struct platform_device *pdev)
>         init_waitqueue_head(&i2c->wait);
>
>         i2c->clk = devm_clk_get(&pdev->dev, NULL);
> -       if (IS_ERR(i2c->clk)) {
> -               if (PTR_ERR(i2c->clk) != -EPROBE_DEFER)
> -                       dev_err(&pdev->dev, "input clock not found.\n");
> -               return PTR_ERR(i2c->clk);
> -       }
> +       if (IS_ERR(i2c->clk))
> +               return dev_err_probe(&pdev->dev, PTR_ERR(i2c->clk),
> +                                    "input clock not found.\n");
> +
>         ret = clk_prepare_enable(i2c->clk);
>         if (ret) {
>                 dev_err(&pdev->dev, "Unable to enable clock.\n");
> --
> 2.17.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

I see that this didn't go through.
Acked-by: Michal Simek <michal.simek@xilinx.com>

Wolfram: Can you please apply?

Thanks,
Michal


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs

_______________________________________________
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Re: [PATCH 2/9] i2c: xiic: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:36PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

Re: [PATCH 2/9] i2c: xiic: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:36PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

[-- Attachment #2: Type: text/plain, Size: 176 bytes --]

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Re: [PATCH 2/9] i2c: xiic: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:36PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

[-- Attachment #2: Type: text/plain, Size: 170 bytes --]

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http://lists.infradead.org/mailman/listinfo/linux-rockchip

[PATCH 3/9] i2c: bcm2835: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-bcm2835.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c
index 5dc519516292..37443edbf754 100644
--- a/drivers/i2c/busses/i2c-bcm2835.c
+++ b/drivers/i2c/busses/i2c-bcm2835.c
@@ -421,11 +421,9 @@ static int bcm2835_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(i2c_dev->regs);
 
 	mclk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(mclk)) {
-		if (PTR_ERR(mclk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Could not get clock\n");
-		return PTR_ERR(mclk);
-	}
+	if (IS_ERR(mclk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(mclk),
+				     "Could not get clock\n");
 
 	i2c_dev->bus_clk = bcm2835_i2c_register_div(&pdev->dev, mclk, i2c_dev);
 
-- 
2.17.1

[PATCH 3/9] i2c: bcm2835: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-bcm2835.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c
index 5dc519516292..37443edbf754 100644
--- a/drivers/i2c/busses/i2c-bcm2835.c
+++ b/drivers/i2c/busses/i2c-bcm2835.c
@@ -421,11 +421,9 @@ static int bcm2835_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(i2c_dev->regs);
 
 	mclk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(mclk)) {
-		if (PTR_ERR(mclk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Could not get clock\n");
-		return PTR_ERR(mclk);
-	}
+	if (IS_ERR(mclk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(mclk),
+				     "Could not get clock\n");
 
 	i2c_dev->bus_clk = bcm2835_i2c_register_div(&pdev->dev, mclk, i2c_dev);
 
-- 
2.17.1


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[PATCH 3/9] i2c: bcm2835: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-bcm2835.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c
index 5dc519516292..37443edbf754 100644
--- a/drivers/i2c/busses/i2c-bcm2835.c
+++ b/drivers/i2c/busses/i2c-bcm2835.c
@@ -421,11 +421,9 @@ static int bcm2835_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(i2c_dev->regs);
 
 	mclk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(mclk)) {
-		if (PTR_ERR(mclk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Could not get clock\n");
-		return PTR_ERR(mclk);
-	}
+	if (IS_ERR(mclk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(mclk),
+				     "Could not get clock\n");
 
 	i2c_dev->bus_clk = bcm2835_i2c_register_div(&pdev->dev, mclk, i2c_dev);
 
-- 
2.17.1


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Re: [PATCH 3/9] i2c: bcm2835: Simplify with dev_err_probe()

[Florian Fainelli]

On 9/2/2020 8:06 AM, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Florian Fainelli <f.fainelli@gmail.com>
-- 
Florian

Re: [PATCH 3/9] i2c: bcm2835: Simplify with dev_err_probe()

[Florian Fainelli]

On 9/2/2020 8:06 AM, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Florian Fainelli <f.fainelli@gmail.com>
-- 
Florian

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Re: [PATCH 3/9] i2c: bcm2835: Simplify with dev_err_probe()

[Florian Fainelli]

On 9/2/2020 8:06 AM, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Florian Fainelli <f.fainelli@gmail.com>
-- 
Florian

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Re: [PATCH 3/9] i2c: bcm2835: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:37PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

Re: [PATCH 3/9] i2c: bcm2835: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:37PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

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Re: [PATCH 3/9] i2c: bcm2835: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:37PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

[-- Attachment #2: Type: text/plain, Size: 170 bytes --]

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[PATCH 4/9] i2c: cadence: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-cadence.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
index e4b7f2a951ad..eefde554c50c 100644
--- a/drivers/i2c/busses/i2c-cadence.c
+++ b/drivers/i2c/busses/i2c-cadence.c
@@ -1214,11 +1214,10 @@ static int cdns_i2c_probe(struct platform_device *pdev)
 		 "Cadence I2C at %08lx", (unsigned long)r_mem->start);
 
 	id->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(id->clk)) {
-		if (PTR_ERR(id->clk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "input clock not found.\n");
-		return PTR_ERR(id->clk);
-	}
+	if (IS_ERR(id->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(id->clk),
+				     "input clock not found.\n");
+
 	ret = clk_prepare_enable(id->clk);
 	if (ret)
 		dev_err(&pdev->dev, "Unable to enable clock.\n");
-- 
2.17.1

[PATCH 4/9] i2c: cadence: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-cadence.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
index e4b7f2a951ad..eefde554c50c 100644
--- a/drivers/i2c/busses/i2c-cadence.c
+++ b/drivers/i2c/busses/i2c-cadence.c
@@ -1214,11 +1214,10 @@ static int cdns_i2c_probe(struct platform_device *pdev)
 		 "Cadence I2C at %08lx", (unsigned long)r_mem->start);
 
 	id->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(id->clk)) {
-		if (PTR_ERR(id->clk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "input clock not found.\n");
-		return PTR_ERR(id->clk);
-	}
+	if (IS_ERR(id->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(id->clk),
+				     "input clock not found.\n");
+
 	ret = clk_prepare_enable(id->clk);
 	if (ret)
 		dev_err(&pdev->dev, "Unable to enable clock.\n");
-- 
2.17.1


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[PATCH 4/9] i2c: cadence: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-cadence.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
index e4b7f2a951ad..eefde554c50c 100644
--- a/drivers/i2c/busses/i2c-cadence.c
+++ b/drivers/i2c/busses/i2c-cadence.c
@@ -1214,11 +1214,10 @@ static int cdns_i2c_probe(struct platform_device *pdev)
 		 "Cadence I2C at %08lx", (unsigned long)r_mem->start);
 
 	id->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(id->clk)) {
-		if (PTR_ERR(id->clk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "input clock not found.\n");
-		return PTR_ERR(id->clk);
-	}
+	if (IS_ERR(id->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(id->clk),
+				     "input clock not found.\n");
+
 	ret = clk_prepare_enable(id->clk);
 	if (ret)
 		dev_err(&pdev->dev, "Unable to enable clock.\n");
-- 
2.17.1


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Re: [PATCH 4/9] i2c: cadence: Simplify with dev_err_probe()

[Michal Simek]

st 2. 9. 2020 v 17:10 odesílatel Krzysztof Kozlowski <krzk@kernel.org> napsal:
>
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
>  drivers/i2c/busses/i2c-cadence.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
> index e4b7f2a951ad..eefde554c50c 100644
> --- a/drivers/i2c/busses/i2c-cadence.c
> +++ b/drivers/i2c/busses/i2c-cadence.c
> @@ -1214,11 +1214,10 @@ static int cdns_i2c_probe(struct platform_device *pdev)
>                  "Cadence I2C at %08lx", (unsigned long)r_mem->start);
>
>         id->clk = devm_clk_get(&pdev->dev, NULL);
> -       if (IS_ERR(id->clk)) {
> -               if (PTR_ERR(id->clk) != -EPROBE_DEFER)
> -                       dev_err(&pdev->dev, "input clock not found.\n");
> -               return PTR_ERR(id->clk);
> -       }
> +       if (IS_ERR(id->clk))
> +               return dev_err_probe(&pdev->dev, PTR_ERR(id->clk),
> +                                    "input clock not found.\n");
> +
>         ret = clk_prepare_enable(id->clk);
>         if (ret)
>                 dev_err(&pdev->dev, "Unable to enable clock.\n");
> --
> 2.17.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Also this one is pending but still possible to apply without any conflict.

Acked-by: Michal Simek <michal.simek@xilinx.com>

Thanks,
Michal


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs

Re: [PATCH 4/9] i2c: cadence: Simplify with dev_err_probe()

[Michal Simek]

st 2. 9. 2020 v 17:10 odesílatel Krzysztof Kozlowski <krzk@kernel.org> napsal:
>
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
>  drivers/i2c/busses/i2c-cadence.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
> index e4b7f2a951ad..eefde554c50c 100644
> --- a/drivers/i2c/busses/i2c-cadence.c
> +++ b/drivers/i2c/busses/i2c-cadence.c
> @@ -1214,11 +1214,10 @@ static int cdns_i2c_probe(struct platform_device *pdev)
>                  "Cadence I2C at %08lx", (unsigned long)r_mem->start);
>
>         id->clk = devm_clk_get(&pdev->dev, NULL);
> -       if (IS_ERR(id->clk)) {
> -               if (PTR_ERR(id->clk) != -EPROBE_DEFER)
> -                       dev_err(&pdev->dev, "input clock not found.\n");
> -               return PTR_ERR(id->clk);
> -       }
> +       if (IS_ERR(id->clk))
> +               return dev_err_probe(&pdev->dev, PTR_ERR(id->clk),
> +                                    "input clock not found.\n");
> +
>         ret = clk_prepare_enable(id->clk);
>         if (ret)
>                 dev_err(&pdev->dev, "Unable to enable clock.\n");
> --
> 2.17.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Also this one is pending but still possible to apply without any conflict.

Acked-by: Michal Simek <michal.simek@xilinx.com>

Thanks,
Michal


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs

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Re: [PATCH 4/9] i2c: cadence: Simplify with dev_err_probe()

[Michal Simek]

st 2. 9. 2020 v 17:10 odesílatel Krzysztof Kozlowski <krzk@kernel.org> napsal:
>
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
>  drivers/i2c/busses/i2c-cadence.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
> index e4b7f2a951ad..eefde554c50c 100644
> --- a/drivers/i2c/busses/i2c-cadence.c
> +++ b/drivers/i2c/busses/i2c-cadence.c
> @@ -1214,11 +1214,10 @@ static int cdns_i2c_probe(struct platform_device *pdev)
>                  "Cadence I2C at %08lx", (unsigned long)r_mem->start);
>
>         id->clk = devm_clk_get(&pdev->dev, NULL);
> -       if (IS_ERR(id->clk)) {
> -               if (PTR_ERR(id->clk) != -EPROBE_DEFER)
> -                       dev_err(&pdev->dev, "input clock not found.\n");
> -               return PTR_ERR(id->clk);
> -       }
> +       if (IS_ERR(id->clk))
> +               return dev_err_probe(&pdev->dev, PTR_ERR(id->clk),
> +                                    "input clock not found.\n");
> +
>         ret = clk_prepare_enable(id->clk);
>         if (ret)
>                 dev_err(&pdev->dev, "Unable to enable clock.\n");
> --
> 2.17.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Also this one is pending but still possible to apply without any conflict.

Acked-by: Michal Simek <michal.simek@xilinx.com>

Thanks,
Michal


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs

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Re: [PATCH 4/9] i2c: cadence: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:38PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


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Re: [PATCH 4/9] i2c: cadence: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:38PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


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[-- Type: application/pgp-signature, Size: 833 bytes --]

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Re: [PATCH 4/9] i2c: cadence: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:38PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


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[-- Type: application/pgp-signature, Size: 833 bytes --]

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[PATCH 5/9] i2c: davinci: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-davinci.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 232a7679b69b..e9d07323c604 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -768,10 +768,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
 	if (irq <= 0) {
 		if (!irq)
 			irq = -ENXIO;
-		if (irq != -EPROBE_DEFER)
-			dev_err(&pdev->dev,
-				"can't get irq resource ret=%d\n", irq);
-		return irq;
+		return dev_err_probe(&pdev->dev, irq, "can't get irq resource\n");
 	}
 
 	dev = devm_kzalloc(&pdev->dev, sizeof(struct davinci_i2c_dev),
-- 
2.17.1

[PATCH 5/9] i2c: davinci: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-davinci.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 232a7679b69b..e9d07323c604 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -768,10 +768,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
 	if (irq <= 0) {
 		if (!irq)
 			irq = -ENXIO;
-		if (irq != -EPROBE_DEFER)
-			dev_err(&pdev->dev,
-				"can't get irq resource ret=%d\n", irq);
-		return irq;
+		return dev_err_probe(&pdev->dev, irq, "can't get irq resource\n");
 	}
 
 	dev = devm_kzalloc(&pdev->dev, sizeof(struct davinci_i2c_dev),
-- 
2.17.1


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[PATCH 5/9] i2c: davinci: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-davinci.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 232a7679b69b..e9d07323c604 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -768,10 +768,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
 	if (irq <= 0) {
 		if (!irq)
 			irq = -ENXIO;
-		if (irq != -EPROBE_DEFER)
-			dev_err(&pdev->dev,
-				"can't get irq resource ret=%d\n", irq);
-		return irq;
+		return dev_err_probe(&pdev->dev, irq, "can't get irq resource\n");
 	}
 
 	dev = devm_kzalloc(&pdev->dev, sizeof(struct davinci_i2c_dev),
-- 
2.17.1


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Re: [PATCH 5/9] i2c: davinci: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:39PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


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Re: [PATCH 5/9] i2c: davinci: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:39PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

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Re: [PATCH 5/9] i2c: davinci: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:39PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

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[PATCH 6/9] i2c: imx: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-imx.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 0ab5381aa012..63f4367c312b 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1159,11 +1159,9 @@ static int i2c_imx_probe(struct platform_device *pdev)
 
 	/* Get I2C clock */
 	i2c_imx->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(i2c_imx->clk)) {
-		if (PTR_ERR(i2c_imx->clk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "can't get I2C clock\n");
-		return PTR_ERR(i2c_imx->clk);
-	}
+	if (IS_ERR(i2c_imx->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_imx->clk),
+				     "can't get I2C clock\n");
 
 	ret = clk_prepare_enable(i2c_imx->clk);
 	if (ret) {
-- 
2.17.1

[PATCH 6/9] i2c: imx: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-imx.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 0ab5381aa012..63f4367c312b 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1159,11 +1159,9 @@ static int i2c_imx_probe(struct platform_device *pdev)
 
 	/* Get I2C clock */
 	i2c_imx->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(i2c_imx->clk)) {
-		if (PTR_ERR(i2c_imx->clk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "can't get I2C clock\n");
-		return PTR_ERR(i2c_imx->clk);
-	}
+	if (IS_ERR(i2c_imx->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_imx->clk),
+				     "can't get I2C clock\n");
 
 	ret = clk_prepare_enable(i2c_imx->clk);
 	if (ret) {
-- 
2.17.1


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[PATCH 6/9] i2c: imx: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-imx.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 0ab5381aa012..63f4367c312b 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1159,11 +1159,9 @@ static int i2c_imx_probe(struct platform_device *pdev)
 
 	/* Get I2C clock */
 	i2c_imx->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(i2c_imx->clk)) {
-		if (PTR_ERR(i2c_imx->clk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "can't get I2C clock\n");
-		return PTR_ERR(i2c_imx->clk);
-	}
+	if (IS_ERR(i2c_imx->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_imx->clk),
+				     "can't get I2C clock\n");
 
 	ret = clk_prepare_enable(i2c_imx->clk);
 	if (ret) {
-- 
2.17.1


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Re: [PATCH 6/9] i2c: imx: Simplify with dev_err_probe()

[Uwe Kleine-König]

[-- Attachment #1: Type: text/plain, Size: 500 bytes --]

On Wed, Sep 02, 2020 at 05:06:40PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

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 6/9] i2c: imx: Simplify with dev_err_probe()

[Uwe Kleine-König]

[-- Attachment #1.1: Type: text/plain, Size: 500 bytes --]

On Wed, Sep 02, 2020 at 05:06:40PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

Thanks
Uwe

-- 
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Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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Re: [PATCH 6/9] i2c: imx: Simplify with dev_err_probe()

[Uwe Kleine-König]

[-- Attachment #1.1: Type: text/plain, Size: 500 bytes --]

On Wed, Sep 02, 2020 at 05:06:40PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

Thanks
Uwe

-- 
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Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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Re: [PATCH 6/9] i2c: imx: Simplify with dev_err_probe()

[Oleksij Rempel]

On Wed, Sep 02, 2020 at 05:06:40PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>

> ---
>  drivers/i2c/busses/i2c-imx.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
> index 0ab5381aa012..63f4367c312b 100644
> --- a/drivers/i2c/busses/i2c-imx.c
> +++ b/drivers/i2c/busses/i2c-imx.c
> @@ -1159,11 +1159,9 @@ static int i2c_imx_probe(struct platform_device *pdev)
>  
>  	/* Get I2C clock */
>  	i2c_imx->clk = devm_clk_get(&pdev->dev, NULL);
> -	if (IS_ERR(i2c_imx->clk)) {
> -		if (PTR_ERR(i2c_imx->clk) != -EPROBE_DEFER)
> -			dev_err(&pdev->dev, "can't get I2C clock\n");
> -		return PTR_ERR(i2c_imx->clk);
> -	}
> +	if (IS_ERR(i2c_imx->clk))
> +		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_imx->clk),
> +				     "can't get I2C clock\n");
>  
>  	ret = clk_prepare_enable(i2c_imx->clk);
>  	if (ret) {
> -- 
> 2.17.1
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> 

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Re: [PATCH 6/9] i2c: imx: Simplify with dev_err_probe()

[Oleksij Rempel]

On Wed, Sep 02, 2020 at 05:06:40PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>

> ---
>  drivers/i2c/busses/i2c-imx.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
> index 0ab5381aa012..63f4367c312b 100644
> --- a/drivers/i2c/busses/i2c-imx.c
> +++ b/drivers/i2c/busses/i2c-imx.c
> @@ -1159,11 +1159,9 @@ static int i2c_imx_probe(struct platform_device *pdev)
>  
>  	/* Get I2C clock */
>  	i2c_imx->clk = devm_clk_get(&pdev->dev, NULL);
> -	if (IS_ERR(i2c_imx->clk)) {
> -		if (PTR_ERR(i2c_imx->clk) != -EPROBE_DEFER)
> -			dev_err(&pdev->dev, "can't get I2C clock\n");
> -		return PTR_ERR(i2c_imx->clk);
> -	}
> +	if (IS_ERR(i2c_imx->clk))
> +		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_imx->clk),
> +				     "can't get I2C clock\n");
>  
>  	ret = clk_prepare_enable(i2c_imx->clk);
>  	if (ret) {
> -- 
> 2.17.1
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> 

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Re: [PATCH 6/9] i2c: imx: Simplify with dev_err_probe()

[Oleksij Rempel]

On Wed, Sep 02, 2020 at 05:06:40PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>

> ---
>  drivers/i2c/busses/i2c-imx.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
> index 0ab5381aa012..63f4367c312b 100644
> --- a/drivers/i2c/busses/i2c-imx.c
> +++ b/drivers/i2c/busses/i2c-imx.c
> @@ -1159,11 +1159,9 @@ static int i2c_imx_probe(struct platform_device *pdev)
>  
>  	/* Get I2C clock */
>  	i2c_imx->clk = devm_clk_get(&pdev->dev, NULL);
> -	if (IS_ERR(i2c_imx->clk)) {
> -		if (PTR_ERR(i2c_imx->clk) != -EPROBE_DEFER)
> -			dev_err(&pdev->dev, "can't get I2C clock\n");
> -		return PTR_ERR(i2c_imx->clk);
> -	}
> +	if (IS_ERR(i2c_imx->clk))
> +		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_imx->clk),
> +				     "can't get I2C clock\n");
>  
>  	ret = clk_prepare_enable(i2c_imx->clk);
>  	if (ret) {
> -- 
> 2.17.1
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> 

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Pengutronix e.K.                           |                             |
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Re: [PATCH 6/9] i2c: imx: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 419 bytes --]

On Wed, Sep 02, 2020 at 05:06:40PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Thanks, but this patch was a bit earlier:

http://patchwork.ozlabs.org/project/linux-i2c/patch/1597203954-1803-1-git-send-email-Anson.Huang@nxp.com/


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Re: [PATCH 6/9] i2c: imx: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 419 bytes --]

On Wed, Sep 02, 2020 at 05:06:40PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Thanks, but this patch was a bit earlier:

http://patchwork.ozlabs.org/project/linux-i2c/patch/1597203954-1803-1-git-send-email-Anson.Huang@nxp.com/


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Re: [PATCH 6/9] i2c: imx: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 419 bytes --]

On Wed, Sep 02, 2020 at 05:06:40PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Thanks, but this patch was a bit earlier:

http://patchwork.ozlabs.org/project/linux-i2c/patch/1597203954-1803-1-git-send-email-Anson.Huang@nxp.com/


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[PATCH 7/9] i2c: rk3x: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-rk3x.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 8e3cc85d1921..819ab4ee517e 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -1312,18 +1312,13 @@ static int rk3x_i2c_probe(struct platform_device *pdev)
 		i2c->pclk = devm_clk_get(&pdev->dev, "pclk");
 	}
 
-	if (IS_ERR(i2c->clk)) {
-		ret = PTR_ERR(i2c->clk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Can't get bus clk: %d\n", ret);
-		return ret;
-	}
-	if (IS_ERR(i2c->pclk)) {
-		ret = PTR_ERR(i2c->pclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Can't get periph clk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(i2c->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c->clk),
+				     "Can't get bus clk\n");
+
+	if (IS_ERR(i2c->pclk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c->pclk),
+				     "Can't get periph clk\n");
 
 	ret = clk_prepare(i2c->clk);
 	if (ret < 0) {
-- 
2.17.1

[PATCH 7/9] i2c: rk3x: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-rk3x.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 8e3cc85d1921..819ab4ee517e 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -1312,18 +1312,13 @@ static int rk3x_i2c_probe(struct platform_device *pdev)
 		i2c->pclk = devm_clk_get(&pdev->dev, "pclk");
 	}
 
-	if (IS_ERR(i2c->clk)) {
-		ret = PTR_ERR(i2c->clk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Can't get bus clk: %d\n", ret);
-		return ret;
-	}
-	if (IS_ERR(i2c->pclk)) {
-		ret = PTR_ERR(i2c->pclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Can't get periph clk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(i2c->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c->clk),
+				     "Can't get bus clk\n");
+
+	if (IS_ERR(i2c->pclk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c->pclk),
+				     "Can't get periph clk\n");
 
 	ret = clk_prepare(i2c->clk);
 	if (ret < 0) {
-- 
2.17.1


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[PATCH 7/9] i2c: rk3x: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/busses/i2c-rk3x.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 8e3cc85d1921..819ab4ee517e 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -1312,18 +1312,13 @@ static int rk3x_i2c_probe(struct platform_device *pdev)
 		i2c->pclk = devm_clk_get(&pdev->dev, "pclk");
 	}
 
-	if (IS_ERR(i2c->clk)) {
-		ret = PTR_ERR(i2c->clk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Can't get bus clk: %d\n", ret);
-		return ret;
-	}
-	if (IS_ERR(i2c->pclk)) {
-		ret = PTR_ERR(i2c->pclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Can't get periph clk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(i2c->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c->clk),
+				     "Can't get bus clk\n");
+
+	if (IS_ERR(i2c->pclk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(i2c->pclk),
+				     "Can't get periph clk\n");
 
 	ret = clk_prepare(i2c->clk);
 	if (ret < 0) {
-- 
2.17.1


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Re: [PATCH 7/9] i2c: rk3x: Simplify with dev_err_probe()

[Heiko Stübner]

Am Mittwoch, 2. September 2020, 17:06:41 CEST schrieb Krzysztof Kozlowski:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Reviewed-by: Heiko Stuebner <heiko@sntech.de>

Re: [PATCH 7/9] i2c: rk3x: Simplify with dev_err_probe()

[Heiko Stübner]

Am Mittwoch, 2. September 2020, 17:06:41 CEST schrieb Krzysztof Kozlowski:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Reviewed-by: Heiko Stuebner <heiko@sntech.de>



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Re: [PATCH 7/9] i2c: rk3x: Simplify with dev_err_probe()

[Heiko Stübner]

Am Mittwoch, 2. September 2020, 17:06:41 CEST schrieb Krzysztof Kozlowski:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Reviewed-by: Heiko Stuebner <heiko@sntech.de>



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Re: [PATCH 7/9] i2c: rk3x: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:41PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


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Re: [PATCH 7/9] i2c: rk3x: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:41PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


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Re: [PATCH 7/9] i2c: rk3x: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:41PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


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[PATCH 8/9] i2c: mux: gpmux: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/muxes/i2c-mux-gpmux.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c
index f830535cff12..d3acd8d66c32 100644
--- a/drivers/i2c/muxes/i2c-mux-gpmux.c
+++ b/drivers/i2c/muxes/i2c-mux-gpmux.c
@@ -85,18 +85,14 @@ static int i2c_mux_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	mux->control = devm_mux_control_get(dev, NULL);
-	if (IS_ERR(mux->control)) {
-		if (PTR_ERR(mux->control) != -EPROBE_DEFER)
-			dev_err(dev, "failed to get control-mux\n");
-		return PTR_ERR(mux->control);
-	}
+	if (IS_ERR(mux->control))
+		return dev_err_probe(dev, PTR_ERR(mux->control),
+				     "failed to get control-mux\n");
 
 	parent = mux_parent_adapter(dev);
-	if (IS_ERR(parent)) {
-		if (PTR_ERR(parent) != -EPROBE_DEFER)
-			dev_err(dev, "failed to get i2c-parent adapter\n");
-		return PTR_ERR(parent);
-	}
+	if (IS_ERR(parent))
+		return dev_err_probe(dev, PTR_ERR(parent),
+				     "failed to get i2c-parent adapter\n");
 
 	children = of_get_child_count(np);
 
-- 
2.17.1

[PATCH 8/9] i2c: mux: gpmux: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/muxes/i2c-mux-gpmux.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c
index f830535cff12..d3acd8d66c32 100644
--- a/drivers/i2c/muxes/i2c-mux-gpmux.c
+++ b/drivers/i2c/muxes/i2c-mux-gpmux.c
@@ -85,18 +85,14 @@ static int i2c_mux_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	mux->control = devm_mux_control_get(dev, NULL);
-	if (IS_ERR(mux->control)) {
-		if (PTR_ERR(mux->control) != -EPROBE_DEFER)
-			dev_err(dev, "failed to get control-mux\n");
-		return PTR_ERR(mux->control);
-	}
+	if (IS_ERR(mux->control))
+		return dev_err_probe(dev, PTR_ERR(mux->control),
+				     "failed to get control-mux\n");
 
 	parent = mux_parent_adapter(dev);
-	if (IS_ERR(parent)) {
-		if (PTR_ERR(parent) != -EPROBE_DEFER)
-			dev_err(dev, "failed to get i2c-parent adapter\n");
-		return PTR_ERR(parent);
-	}
+	if (IS_ERR(parent))
+		return dev_err_probe(dev, PTR_ERR(parent),
+				     "failed to get i2c-parent adapter\n");
 
 	children = of_get_child_count(np);
 
-- 
2.17.1


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[PATCH 8/9] i2c: mux: gpmux: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/muxes/i2c-mux-gpmux.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c
index f830535cff12..d3acd8d66c32 100644
--- a/drivers/i2c/muxes/i2c-mux-gpmux.c
+++ b/drivers/i2c/muxes/i2c-mux-gpmux.c
@@ -85,18 +85,14 @@ static int i2c_mux_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	mux->control = devm_mux_control_get(dev, NULL);
-	if (IS_ERR(mux->control)) {
-		if (PTR_ERR(mux->control) != -EPROBE_DEFER)
-			dev_err(dev, "failed to get control-mux\n");
-		return PTR_ERR(mux->control);
-	}
+	if (IS_ERR(mux->control))
+		return dev_err_probe(dev, PTR_ERR(mux->control),
+				     "failed to get control-mux\n");
 
 	parent = mux_parent_adapter(dev);
-	if (IS_ERR(parent)) {
-		if (PTR_ERR(parent) != -EPROBE_DEFER)
-			dev_err(dev, "failed to get i2c-parent adapter\n");
-		return PTR_ERR(parent);
-	}
+	if (IS_ERR(parent))
+		return dev_err_probe(dev, PTR_ERR(parent),
+				     "failed to get i2c-parent adapter\n");
 
 	children = of_get_child_count(np);
 
-- 
2.17.1


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Re: [PATCH 8/9] i2c: mux: gpmux: Simplify with dev_err_probe()

[Peter Rosin]

On 2020-09-02 17:06, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Peter Rosin <peda@axentia.se>

Cheers,
Peter

Re: [PATCH 8/9] i2c: mux: gpmux: Simplify with dev_err_probe()

[Peter Rosin]

On 2020-09-02 17:06, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Peter Rosin <peda@axentia.se>

Cheers,
Peter

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Re: [PATCH 8/9] i2c: mux: gpmux: Simplify with dev_err_probe()

[Peter Rosin]

On 2020-09-02 17:06, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Peter Rosin <peda@axentia.se>

Cheers,
Peter

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Re: [PATCH 8/9] i2c: mux: gpmux: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:42PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #2: signature.asc --]
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Re: [PATCH 8/9] i2c: mux: gpmux: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:42PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

[-- Attachment #2: Type: text/plain, Size: 176 bytes --]

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Re: [PATCH 8/9] i2c: mux: gpmux: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:42PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

[-- Attachment #2: Type: text/plain, Size: 170 bytes --]

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[PATCH 9/9] i2c: mux: reg: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/muxes/i2c-mux-reg.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/i2c/muxes/i2c-mux-reg.c b/drivers/i2c/muxes/i2c-mux-reg.c
index b59a62f8d7a6..0e0679f65cf7 100644
--- a/drivers/i2c/muxes/i2c-mux-reg.c
+++ b/drivers/i2c/muxes/i2c-mux-reg.c
@@ -171,13 +171,9 @@ static int i2c_mux_reg_probe(struct platform_device *pdev)
 			sizeof(mux->data));
 	} else {
 		ret = i2c_mux_reg_probe_dt(mux, pdev);
-		if (ret == -EPROBE_DEFER)
-			return ret;
-
-		if (ret < 0) {
-			dev_err(&pdev->dev, "Error parsing device tree");
-			return ret;
-		}
+		if (ret < 0)
+			return dev_err_probe(&pdev->dev, ret,
+					     "Error parsing device tree");
 	}
 
 	parent = i2c_get_adapter(mux->data.parent);
-- 
2.17.1

[PATCH 9/9] i2c: mux: reg: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/muxes/i2c-mux-reg.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/i2c/muxes/i2c-mux-reg.c b/drivers/i2c/muxes/i2c-mux-reg.c
index b59a62f8d7a6..0e0679f65cf7 100644
--- a/drivers/i2c/muxes/i2c-mux-reg.c
+++ b/drivers/i2c/muxes/i2c-mux-reg.c
@@ -171,13 +171,9 @@ static int i2c_mux_reg_probe(struct platform_device *pdev)
 			sizeof(mux->data));
 	} else {
 		ret = i2c_mux_reg_probe_dt(mux, pdev);
-		if (ret == -EPROBE_DEFER)
-			return ret;
-
-		if (ret < 0) {
-			dev_err(&pdev->dev, "Error parsing device tree");
-			return ret;
-		}
+		if (ret < 0)
+			return dev_err_probe(&pdev->dev, ret,
+					     "Error parsing device tree");
 	}
 
 	parent = i2c_get_adapter(mux->data.parent);
-- 
2.17.1


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[PATCH 9/9] i2c: mux: reg: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/i2c/muxes/i2c-mux-reg.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/i2c/muxes/i2c-mux-reg.c b/drivers/i2c/muxes/i2c-mux-reg.c
index b59a62f8d7a6..0e0679f65cf7 100644
--- a/drivers/i2c/muxes/i2c-mux-reg.c
+++ b/drivers/i2c/muxes/i2c-mux-reg.c
@@ -171,13 +171,9 @@ static int i2c_mux_reg_probe(struct platform_device *pdev)
 			sizeof(mux->data));
 	} else {
 		ret = i2c_mux_reg_probe_dt(mux, pdev);
-		if (ret == -EPROBE_DEFER)
-			return ret;
-
-		if (ret < 0) {
-			dev_err(&pdev->dev, "Error parsing device tree");
-			return ret;
-		}
+		if (ret < 0)
+			return dev_err_probe(&pdev->dev, ret,
+					     "Error parsing device tree");
 	}
 
 	parent = i2c_get_adapter(mux->data.parent);
-- 
2.17.1


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Re: [PATCH 9/9] i2c: mux: reg: Simplify with dev_err_probe()

[Peter Rosin]

On 2020-09-02 17:06, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Peter Rosin <peda@axentia.se>

Cheers,
Peter

Re: [PATCH 9/9] i2c: mux: reg: Simplify with dev_err_probe()

[Peter Rosin]

On 2020-09-02 17:06, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Peter Rosin <peda@axentia.se>

Cheers,
Peter


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Re: [PATCH 9/9] i2c: mux: reg: Simplify with dev_err_probe()

[Peter Rosin]

On 2020-09-02 17:06, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Acked-by: Peter Rosin <peda@axentia.se>

Cheers,
Peter


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Re: [PATCH 9/9] i2c: mux: reg: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:43PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

Re: [PATCH 9/9] i2c: mux: reg: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:43PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

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Re: [PATCH 9/9] i2c: mux: reg: Simplify with dev_err_probe()

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 297 bytes --]

On Wed, Sep 02, 2020 at 05:06:43PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Applied to for-next, thanks!


[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

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Re: [PATCH 1/9] i2c: stm32: Simplify with dev_err_probe()

[Alain Volmat]

Hi,

On Wed, Sep 02, 2020 at 05:06:35PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Reviewed-by: Alain Volmat <alain.volmat@st.com>

> ---
>  drivers/i2c/busses/i2c-stm32.c   | 11 ++++-------
>  drivers/i2c/busses/i2c-stm32f4.c |  6 ++----
>  drivers/i2c/busses/i2c-stm32f7.c | 24 +++++++++---------------
>  3 files changed, 15 insertions(+), 26 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-stm32.c b/drivers/i2c/busses/i2c-stm32.c
> index 3f69a3bb6119..198f848b7be9 100644
> --- a/drivers/i2c/busses/i2c-stm32.c
> +++ b/drivers/i2c/busses/i2c-stm32.c
> @@ -25,9 +25,8 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
>  	/* Request and configure I2C TX dma channel */
>  	dma->chan_tx = dma_request_chan(dev, "tx");
>  	if (IS_ERR(dma->chan_tx)) {
> -		ret = PTR_ERR(dma->chan_tx);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(dev, "can't request DMA tx channel\n");
> +		ret = dev_err_probe(dev, PTR_ERR(dma->chan_tx),
> +				    "can't request DMA tx channel\n");
>  		goto fail_al;
>  	}
>  
> @@ -45,10 +44,8 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
>  	/* Request and configure I2C RX dma channel */
>  	dma->chan_rx = dma_request_chan(dev, "rx");
>  	if (IS_ERR(dma->chan_rx)) {
> -		ret = PTR_ERR(dma->chan_rx);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(dev, "can't request DMA rx channel\n");
> -
> +		ret = dev_err_probe(dev, PTR_ERR(dma->chan_rx),
> +				    "can't request DMA rx channel\n");
>  		goto fail_tx;
>  	}
>  
> diff --git a/drivers/i2c/busses/i2c-stm32f4.c b/drivers/i2c/busses/i2c-stm32f4.c
> index 48e269284369..937c2c8fd349 100644
> --- a/drivers/i2c/busses/i2c-stm32f4.c
> +++ b/drivers/i2c/busses/i2c-stm32f4.c
> @@ -797,10 +797,8 @@ static int stm32f4_i2c_probe(struct platform_device *pdev)
>  
>  	rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
>  	if (IS_ERR(rst)) {
> -		ret = PTR_ERR(rst);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
> -
> +		ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
> +				    "Error: Missing reset ctrl\n");
>  		goto clk_free;
>  	}
>  	reset_control_assert(rst);
> diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
> index bff3479fe122..a8f1758e4c5b 100644
> --- a/drivers/i2c/busses/i2c-stm32f7.c
> +++ b/drivers/i2c/busses/i2c-stm32f7.c
> @@ -1968,11 +1968,9 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
>  						    "wakeup-source");
>  
>  	i2c_dev->clk = devm_clk_get(&pdev->dev, NULL);
> -	if (IS_ERR(i2c_dev->clk)) {
> -		if (PTR_ERR(i2c_dev->clk) != -EPROBE_DEFER)
> -			dev_err(&pdev->dev, "Failed to get controller clock\n");
> -		return PTR_ERR(i2c_dev->clk);
> -	}
> +	if (IS_ERR(i2c_dev->clk))
> +		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->clk),
> +				     "Failed to get controller clock\n");
>  
>  	ret = clk_prepare_enable(i2c_dev->clk);
>  	if (ret) {
> @@ -1982,10 +1980,8 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
>  
>  	rst = devm_reset_control_get(&pdev->dev, NULL);
>  	if (IS_ERR(rst)) {
> -		ret = PTR_ERR(rst);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
> -
> +		ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
> +				    "Error: Missing reset ctrl\n");
>  		goto clk_free;
>  	}
>  	reset_control_assert(rst);
> @@ -2052,13 +2048,11 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
>  	i2c_dev->dma = stm32_i2c_dma_request(i2c_dev->dev, phy_addr,
>  					     STM32F7_I2C_TXDR,
>  					     STM32F7_I2C_RXDR);
> -	if (PTR_ERR(i2c_dev->dma) == -ENODEV)
> +	if (PTR_ERR(i2c_dev->dma) == -ENODEV) {
>  		i2c_dev->dma = NULL;
> -	else if (IS_ERR(i2c_dev->dma)) {
> -		ret = PTR_ERR(i2c_dev->dma);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(&pdev->dev,
> -				"Failed to request dma error %i\n", ret);
> +	} else if (IS_ERR(i2c_dev->dma)) {
> +		ret = dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->dma),
> +				    "Failed to request dma error\n");
>  		goto fmp_clear;
>  	}
>  
> -- 
> 2.17.1
> 

Re: [PATCH 1/9] i2c: stm32: Simplify with dev_err_probe()

[Alain Volmat]

Hi,

On Wed, Sep 02, 2020 at 05:06:35PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Reviewed-by: Alain Volmat <alain.volmat@st.com>

> ---
>  drivers/i2c/busses/i2c-stm32.c   | 11 ++++-------
>  drivers/i2c/busses/i2c-stm32f4.c |  6 ++----
>  drivers/i2c/busses/i2c-stm32f7.c | 24 +++++++++---------------
>  3 files changed, 15 insertions(+), 26 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-stm32.c b/drivers/i2c/busses/i2c-stm32.c
> index 3f69a3bb6119..198f848b7be9 100644
> --- a/drivers/i2c/busses/i2c-stm32.c
> +++ b/drivers/i2c/busses/i2c-stm32.c
> @@ -25,9 +25,8 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
>  	/* Request and configure I2C TX dma channel */
>  	dma->chan_tx = dma_request_chan(dev, "tx");
>  	if (IS_ERR(dma->chan_tx)) {
> -		ret = PTR_ERR(dma->chan_tx);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(dev, "can't request DMA tx channel\n");
> +		ret = dev_err_probe(dev, PTR_ERR(dma->chan_tx),
> +				    "can't request DMA tx channel\n");
>  		goto fail_al;
>  	}
>  
> @@ -45,10 +44,8 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
>  	/* Request and configure I2C RX dma channel */
>  	dma->chan_rx = dma_request_chan(dev, "rx");
>  	if (IS_ERR(dma->chan_rx)) {
> -		ret = PTR_ERR(dma->chan_rx);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(dev, "can't request DMA rx channel\n");
> -
> +		ret = dev_err_probe(dev, PTR_ERR(dma->chan_rx),
> +				    "can't request DMA rx channel\n");
>  		goto fail_tx;
>  	}
>  
> diff --git a/drivers/i2c/busses/i2c-stm32f4.c b/drivers/i2c/busses/i2c-stm32f4.c
> index 48e269284369..937c2c8fd349 100644
> --- a/drivers/i2c/busses/i2c-stm32f4.c
> +++ b/drivers/i2c/busses/i2c-stm32f4.c
> @@ -797,10 +797,8 @@ static int stm32f4_i2c_probe(struct platform_device *pdev)
>  
>  	rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
>  	if (IS_ERR(rst)) {
> -		ret = PTR_ERR(rst);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
> -
> +		ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
> +				    "Error: Missing reset ctrl\n");
>  		goto clk_free;
>  	}
>  	reset_control_assert(rst);
> diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
> index bff3479fe122..a8f1758e4c5b 100644
> --- a/drivers/i2c/busses/i2c-stm32f7.c
> +++ b/drivers/i2c/busses/i2c-stm32f7.c
> @@ -1968,11 +1968,9 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
>  						    "wakeup-source");
>  
>  	i2c_dev->clk = devm_clk_get(&pdev->dev, NULL);
> -	if (IS_ERR(i2c_dev->clk)) {
> -		if (PTR_ERR(i2c_dev->clk) != -EPROBE_DEFER)
> -			dev_err(&pdev->dev, "Failed to get controller clock\n");
> -		return PTR_ERR(i2c_dev->clk);
> -	}
> +	if (IS_ERR(i2c_dev->clk))
> +		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->clk),
> +				     "Failed to get controller clock\n");
>  
>  	ret = clk_prepare_enable(i2c_dev->clk);
>  	if (ret) {
> @@ -1982,10 +1980,8 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
>  
>  	rst = devm_reset_control_get(&pdev->dev, NULL);
>  	if (IS_ERR(rst)) {
> -		ret = PTR_ERR(rst);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
> -
> +		ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
> +				    "Error: Missing reset ctrl\n");
>  		goto clk_free;
>  	}
>  	reset_control_assert(rst);
> @@ -2052,13 +2048,11 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
>  	i2c_dev->dma = stm32_i2c_dma_request(i2c_dev->dev, phy_addr,
>  					     STM32F7_I2C_TXDR,
>  					     STM32F7_I2C_RXDR);
> -	if (PTR_ERR(i2c_dev->dma) == -ENODEV)
> +	if (PTR_ERR(i2c_dev->dma) == -ENODEV) {
>  		i2c_dev->dma = NULL;
> -	else if (IS_ERR(i2c_dev->dma)) {
> -		ret = PTR_ERR(i2c_dev->dma);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(&pdev->dev,
> -				"Failed to request dma error %i\n", ret);
> +	} else if (IS_ERR(i2c_dev->dma)) {
> +		ret = dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->dma),
> +				    "Failed to request dma error\n");
>  		goto fmp_clear;
>  	}
>  
> -- 
> 2.17.1
> 

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Re: [PATCH 1/9] i2c: stm32: Simplify with dev_err_probe()

[Alain Volmat]

Hi,

On Wed, Sep 02, 2020 at 05:06:35PM +0200, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Reviewed-by: Alain Volmat <alain.volmat@st.com>

> ---
>  drivers/i2c/busses/i2c-stm32.c   | 11 ++++-------
>  drivers/i2c/busses/i2c-stm32f4.c |  6 ++----
>  drivers/i2c/busses/i2c-stm32f7.c | 24 +++++++++---------------
>  3 files changed, 15 insertions(+), 26 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-stm32.c b/drivers/i2c/busses/i2c-stm32.c
> index 3f69a3bb6119..198f848b7be9 100644
> --- a/drivers/i2c/busses/i2c-stm32.c
> +++ b/drivers/i2c/busses/i2c-stm32.c
> @@ -25,9 +25,8 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
>  	/* Request and configure I2C TX dma channel */
>  	dma->chan_tx = dma_request_chan(dev, "tx");
>  	if (IS_ERR(dma->chan_tx)) {
> -		ret = PTR_ERR(dma->chan_tx);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(dev, "can't request DMA tx channel\n");
> +		ret = dev_err_probe(dev, PTR_ERR(dma->chan_tx),
> +				    "can't request DMA tx channel\n");
>  		goto fail_al;
>  	}
>  
> @@ -45,10 +44,8 @@ struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev,
>  	/* Request and configure I2C RX dma channel */
>  	dma->chan_rx = dma_request_chan(dev, "rx");
>  	if (IS_ERR(dma->chan_rx)) {
> -		ret = PTR_ERR(dma->chan_rx);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(dev, "can't request DMA rx channel\n");
> -
> +		ret = dev_err_probe(dev, PTR_ERR(dma->chan_rx),
> +				    "can't request DMA rx channel\n");
>  		goto fail_tx;
>  	}
>  
> diff --git a/drivers/i2c/busses/i2c-stm32f4.c b/drivers/i2c/busses/i2c-stm32f4.c
> index 48e269284369..937c2c8fd349 100644
> --- a/drivers/i2c/busses/i2c-stm32f4.c
> +++ b/drivers/i2c/busses/i2c-stm32f4.c
> @@ -797,10 +797,8 @@ static int stm32f4_i2c_probe(struct platform_device *pdev)
>  
>  	rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
>  	if (IS_ERR(rst)) {
> -		ret = PTR_ERR(rst);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
> -
> +		ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
> +				    "Error: Missing reset ctrl\n");
>  		goto clk_free;
>  	}
>  	reset_control_assert(rst);
> diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
> index bff3479fe122..a8f1758e4c5b 100644
> --- a/drivers/i2c/busses/i2c-stm32f7.c
> +++ b/drivers/i2c/busses/i2c-stm32f7.c
> @@ -1968,11 +1968,9 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
>  						    "wakeup-source");
>  
>  	i2c_dev->clk = devm_clk_get(&pdev->dev, NULL);
> -	if (IS_ERR(i2c_dev->clk)) {
> -		if (PTR_ERR(i2c_dev->clk) != -EPROBE_DEFER)
> -			dev_err(&pdev->dev, "Failed to get controller clock\n");
> -		return PTR_ERR(i2c_dev->clk);
> -	}
> +	if (IS_ERR(i2c_dev->clk))
> +		return dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->clk),
> +				     "Failed to get controller clock\n");
>  
>  	ret = clk_prepare_enable(i2c_dev->clk);
>  	if (ret) {
> @@ -1982,10 +1980,8 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
>  
>  	rst = devm_reset_control_get(&pdev->dev, NULL);
>  	if (IS_ERR(rst)) {
> -		ret = PTR_ERR(rst);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(&pdev->dev, "Error: Missing reset ctrl\n");
> -
> +		ret = dev_err_probe(&pdev->dev, PTR_ERR(rst),
> +				    "Error: Missing reset ctrl\n");
>  		goto clk_free;
>  	}
>  	reset_control_assert(rst);
> @@ -2052,13 +2048,11 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
>  	i2c_dev->dma = stm32_i2c_dma_request(i2c_dev->dev, phy_addr,
>  					     STM32F7_I2C_TXDR,
>  					     STM32F7_I2C_RXDR);
> -	if (PTR_ERR(i2c_dev->dma) == -ENODEV)
> +	if (PTR_ERR(i2c_dev->dma) == -ENODEV) {
>  		i2c_dev->dma = NULL;
> -	else if (IS_ERR(i2c_dev->dma)) {
> -		ret = PTR_ERR(i2c_dev->dma);
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(&pdev->dev,
> -				"Failed to request dma error %i\n", ret);
> +	} else if (IS_ERR(i2c_dev->dma)) {
> +		ret = dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->dma),
> +				    "Failed to request dma error\n");
>  		goto fmp_clear;
>  	}
>  
> -- 
> 2.17.1
> 

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