Re: [FSL P50x0] Keyboard and mouse don't work anymore after the devicetree updates for 5.19

[Christian Zigotzky <chzigotzky@xenosoft.de>]

On 27 May 2022 at 04:23 pm, Rob Herring wrote:
> The issue is in drivers/usb/host/fsl-mph-dr-of.c which copies the
> resources to a child platform device. Can you try the following
> change:
>
> diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
> index 44a7e58a26e3..47d9b7be60da 100644
> --- a/drivers/usb/host/fsl-mph-dr-of.c
> +++ b/drivers/usb/host/fsl-mph-dr-of.c
> @@ -80,8 +80,6 @@ static struct platform_device *fsl_usb2_device_register(
>                                          const char *name, int id)
>   {
>          struct platform_device *pdev;
> -       const struct resource *res = ofdev->resource;
> -       unsigned int num = ofdev->num_resources;
>          int retval;
>
>          pdev = platform_device_alloc(name, id);
> @@ -106,11 +104,7 @@ static struct platform_device *fsl_usb2_device_register(
>          if (retval)
>                  goto error;
>
> -       if (num) {
> -               retval = platform_device_add_resources(pdev, res, num);
> -               if (retval)
> -                       goto error;
> -       }
> +       pdev->dev.of_node = ofdev->dev.of_node;
>
>          retval = platform_device_add(pdev);
>          if (retval)
Hello Rob,

Thanks a lot for your patch! Unfortunately, this leads to a boot loop. 
Do you have another idea?

Thanks,
Christian