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

[Christian Zigotzky]

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