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

From: Pawel Laszczak
Date: Thu Oct 08 2020 - 00:18:33 EST


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 ?

>
>> 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