Re: [PATCH v2] usb: Fix problem with xhci resume from suspend

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On 9/19/24 21:42, Jose Alberto Reguero wrote:

> I have a ASUS PN51 S mini pc that has two xhci devices. One from AMD, and other
> from ASMEDIA. The one from ASMEDIA have problems when resume from suspend, and
> keep broken until unplug the  power cord. I use this kernel parameter:
> xhci-hcd.quirks=128 and then it works ok. I make a path to reset only the
> ASMEDIA xhci. 
> 
> 
> Signed-off-by: Jose Alberto Reguero <jose.alberto.reguero@xxxxxxxxx>
> 
> ---
>  drivers/usb/host/xhci-pci.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
> index dc1e345ab67e..8f075ab63f65 100644
> --- a/drivers/usb/host/xhci-pci.c
> +++ b/drivers/usb/host/xhci-pci.c
[...]
> @@ -447,6 +448,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
>  		pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI)
>  		xhci->quirks |= XHCI_ASMEDIA_MODIFY_FLOWCONTROL;
>  
> +	if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
> +		pdev->device == PCI_DEVICE_ID_ASMEDIA_3042_XHCI)

   Hum, please either add 1 more tab here or start the continuation line
under pdev jn the broken up line. The *if* expression should not blend with
code in the branch.

> +		xhci->quirks |= XHCI_RESET_ON_RESUME;
> +
>  	if (pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241)
>  		xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_7;

MBR, Sergey




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