[RESEND PATCH] usb: dwc3: fix NULL pointer issue

[Chunfeng Yun]

Hi Marek,

On Thu, 2020-05-14 at 13:55 +0800, Chunfeng Yun wrote:
> The phy_bulk pointer *usb_phys is used before allocated,
> fix it by using a phy_bulk variable instead in
> xhci_dwc3_platdata struct
> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
> ---
>  drivers/usb/host/xhci-dwc3.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c
> index 563db1a426..51c04a9de2 100644
> --- a/drivers/usb/host/xhci-dwc3.c
> +++ b/drivers/usb/host/xhci-dwc3.c
> @@ -19,7 +19,7 @@
>  #include <linux/usb/otg.h>
>  
>  struct xhci_dwc3_platdata {
> -	struct phy_bulk *usb_phys;
> +	struct phy_bulk phys;
>  };
>  
>  void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode)
> @@ -124,7 +124,7 @@ static int xhci_dwc3_probe(struct udevice *dev)
>  	hcor = (struct xhci_hcor *)((uintptr_t)hccr +
>  			HC_LENGTH(xhci_readl(&(hccr)->cr_capbase)));
>  
> -	ret = dwc3_setup_phy(dev, plat->usb_phys);
> +	ret = dwc3_setup_phy(dev, &plat->phys);
>  	if (ret && (ret != -ENOTSUPP))
>  		return ret;
>  
> @@ -167,7 +167,7 @@ static int xhci_dwc3_remove(struct udevice *dev)
>  {
>  	struct xhci_dwc3_platdata *plat = dev_get_platdata(dev);
>  
> -	dwc3_shutdown_phy(dev, plat->usb_phys);
> +	dwc3_shutdown_phy(dev, &plat->phys);
>  
>  	return xhci_deregister(dev);
>  }

Would you please help to pick up this patch?  This bug is introduced
when I support MTK xHCI driver. Thanks