[PATCH -next] i2c: remove redundant dev_err_probe()

[PATCH -next] i2c: remove redundant dev_err_probe()

[Zhu Wang]

When platform_get_irq() is called, the error message has been printed,
so it need not to call dev_err_probe() to print error, and
platform_get_irq() never returned zero.

Signed-off-by: Zhu Wang <wangzhu9@huawei.com>
---
 drivers/i2c/busses/i2c-davinci.c           | 2 +-
 drivers/i2c/busses/i2c-microchip-corei2c.c | 5 ++---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 52527189a7bf..329c952d5062 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -765,7 +765,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
-		return dev_err_probe(&pdev->dev, irq, "can't get irq resource\n");
+		return irq;
 
 	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
 	if (!dev)
diff --git a/drivers/i2c/busses/i2c-microchip-corei2c.c b/drivers/i2c/busses/i2c-microchip-corei2c.c
index 7f58f7eaabb6..0b0a1c4d17ca 100644
--- a/drivers/i2c/busses/i2c-microchip-corei2c.c
+++ b/drivers/i2c/busses/i2c-microchip-corei2c.c
@@ -378,9 +378,8 @@ static int mchp_corei2c_probe(struct platform_device *pdev)
 		return PTR_ERR(idev->base);
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq <= 0)
-		return dev_err_probe(&pdev->dev, -ENXIO,
-				     "invalid IRQ %d for I2C controller\n", irq);
+	if (irq < 0)
+		return irq;
 
 	idev->i2c_clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(idev->i2c_clk))
-- 
2.17.1


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Re: [PATCH -next] i2c: remove redundant dev_err_probe()

[Conor Dooley]

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On Tue, Aug 01, 2023 at 08:45:51PM +0800, Zhu Wang wrote:
> When platform_get_irq() is called, the error message has been printed,
> so it need not to call dev_err_probe() to print error, and

> platform_get_irq() never returned zero.

Is that strictly true?

> Signed-off-by: Zhu Wang <wangzhu9@huawei.com>
> ---
>  drivers/i2c/busses/i2c-davinci.c           | 2 +-

>  drivers/i2c/busses/i2c-microchip-corei2c.c | 5 ++---

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Thanks,
Conor.


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