Hi Roger,

On 12/10/2020 09:42, 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 <paw...@cadence.com>
> ---
> Changelog:
> v2
> - simplified code as sugested by Roger Quadros.
> 
>   drivers/usb/cdns3/core.c | 10 +---------
>   1 file changed, 1 insertion(+), 9 deletions(-)
> 
> diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c
> index a0f73d4711ae..85ef3025b293 100644
> --- a/drivers/usb/cdns3/core.c
> +++ b/drivers/usb/cdns3/core.c
> @@ -469,22 +469,14 @@ static int cdns3_probe(struct platform_device *pdev)
>       if (cdns->dev_irq == -EPROBE_DEFER)

Shouldn't this be
        if (cdns->dev_irq < 0)
?

No, such line will change the original behavior of driver.

Current patch allows to run driver when we support only host. 
In such case the dev_irq can be < 0 and we still can use host  side.

Regards,
Pawel Laszczak

>               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);
>       cdns->dev_regs  = regs;
>   
>       cdns->otg_irq = platform_get_irq_byname(pdev, "otg");
> -     if (cdns->otg_irq == -EPROBE_DEFER)
> -             return cdns->otg_irq;
> -
> -     if (cdns->otg_irq < 0) {
> -             dev_err(dev, "couldn't get otg irq\n");
> +     if (cdns->otg_irq < 0)
>               return cdns->otg_irq;
> -     }
>   
>       res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "otg");
>       if (!res) {
> 

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