Re: [PATCH 1/2] usb: cdns3: Rids of duplicate error message

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On 08/10/2020 07:18, Pawel Laszczak wrote:
Hi Roger,


On 07/10/2020 06:35, Pawel Laszczak wrote:
On failure, the platform_get_irq_byname prints an error message
so, patch removes error message related to this function from
core.c file.

A change was suggested during reviewing CDNSP driver by Chunfeng Yun.

Signed-off-by: Pawel Laszczak <pawell@xxxxxxxxxxx>
---
   drivers/usb/cdns3/core.c | 7 +------
   1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c
index a0f73d4711ae..4fd3c742d9d5 100644
--- a/drivers/usb/cdns3/core.c
+++ b/drivers/usb/cdns3/core.c
@@ -469,9 +469,6 @@ static int cdns3_probe(struct platform_device *pdev)
   	if (cdns->dev_irq == -EPROBE_DEFER)

if (cdns->dev_irq < 0 && cdns->dev_irq == -EPROBE_DEFER)

It's the same - cdns->dev_irq == -EPROBE_DEFER < 0


   		return cdns->dev_irq;

-	if (cdns->dev_irq < 0)
-		dev_err(dev, "couldn't get peripheral irq\n");
-
   	regs = devm_platform_ioremap_resource_byname(pdev, "dev");
   	if (IS_ERR(regs))
   		return PTR_ERR(regs);
@@ -481,10 +478,8 @@ static int cdns3_probe(struct platform_device *pdev)
   	if (cdns->otg_irq == -EPROBE_DEFER)

if (cdns->otg_irq < 0 && cdns->otg_irq == -EPROBE_DEFER)

It should be:
if (cdns->dev_irq < 0 || cdns->dev_irq == -EPROBE_DEFER)
or event
if (cdns->dev_irq < 0)

Am I right ?

Yeah, at both places just

	if (cdns->dev_irq < 0)
		return cdns->dev_irq;

should be enough.

cheers,
-roger



   		return cdns->otg_irq;

-	if (cdns->otg_irq < 0) {
-		dev_err(dev, "couldn't get otg irq\n");
+	if (cdns->otg_irq < 0)

you can then get rid of this if {}.

   		return cdns->otg_irq;
-	}

   	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "otg");
   	if (!res) {


Cheers,
Pawell


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