Re: [PATCH v2] xhci: extend quirk for Renesas cards

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Mathias, this is fine to apply as-is.  Since it's after -rc6, Greg's
tree is probably now frozen.  Stick this patch in your queue for
usb-linus, mark it for stable, and send it off once 3.15-rc1 is out.

Igor, please do not add Signed-off-by lines unless the developer
explicitly types those words.  Same with Acked-by lines.

Sarah Sharp

On Wed, Mar 12, 2014 at 11:16:24AM +0400, Igor Gnatenko wrote:
> After suspend another Renesas PCI-X USB 3.0 card doesn't work.
> [root@fedora-20 ~]# lspci -vmnnd 1912:
> Device:	03:00.0
> Class:	USB controller [0c03]
> Vendor:	Renesas Technology Corp. [1912]
> Device:	uPD720202 USB 3.0 Host Controller [0015]
> SVendor:	Renesas Technology Corp. [1912]
> SDevice:	uPD720202 USB 3.0 Host Controller [0015]
> Rev:	02
> ProgIf:	30
> 
> Reported-and-tested-by: Anatoly Kharchenko <rfr-bugs@xxxxxxxxx>
> Reference: http://redmine.russianfedora.pro/issues/1315
> Signed-off-by: Igor Gnatenko <i.gnatenko.brain@xxxxxxxxx>
> Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
> ---
>  drivers/usb/host/xhci-pci.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
> index 04f986d..13d4add 100644
> --- a/drivers/usb/host/xhci-pci.c
> +++ b/drivers/usb/host/xhci-pci.c
> @@ -143,9 +143,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
>  		xhci->quirks |= XHCI_TRUST_TX_LENGTH;
>  	}
>  	if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
> -			pdev->device == 0x0015 &&
> -			pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG &&
> -			pdev->subsystem_device == 0xc0cd)
> +			pdev->device == 0x0015)
>  		xhci->quirks |= XHCI_RESET_ON_RESUME;
>  	if (pdev->vendor == PCI_VENDOR_ID_VIA)
>  		xhci->quirks |= XHCI_RESET_ON_RESUME;
> -- 
> 1.9.0
> 
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