Re: [PATCH] xhci: Disable streams on Via XHCI with device-id 0x3432

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On 08/26/2014 09:55 PM, Greg Kroah-Hartman wrote:
> On Tue, Aug 26, 2014 at 09:35:32AM +0200, Hans de Goede wrote:
>> Hi,
>>
>> On 08/25/2014 08:14 PM, Greg Kroah-Hartman wrote:
>>> On Mon, Aug 25, 2014 at 12:21:56PM +0200, Hans de Goede wrote:
>>>> This is a bit bigger hammer then I would like to use for this, but for now
>>>> it will have to make do. I'm working on getting my hands on one of these so
>>>> that I can try to get streams to work (with a quirk flag if necessary) and
>>>> then we can re-enable them.
>>>>
>>>> For now this at least makes uas capable disk enclosures work again by forcing
>>>> fallback to the usb-storage driver.
>>>>
>>>> https://bugzilla.kernel.org/show_bug.cgi?id=79511
>>>>
>>>> Cc: stable@xxxxxxxxxxxxxxx # 3.15
>>>> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
>>>> ---
>>>>  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 687d366..d973682 100644
>>>> --- a/drivers/usb/host/xhci-pci.c
>>>> +++ b/drivers/usb/host/xhci-pci.c
>>>> @@ -151,6 +151,11 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
>>>>  	if (pdev->vendor == PCI_VENDOR_ID_VIA)
>>>>  		xhci->quirks |= XHCI_RESET_ON_RESUME;
>>>>  
>>>> +	/* See https://bugzilla.kernel.org/show_bug.cgi?id=79511 */
>>>> +	if (pdev->vendor == PCI_VENDOR_ID_VIA &&
>>>> +			pdev->device == 0x3432)
>>>> +		xhci->quirks |= XHCI_BROKEN_STREAMS;
>>>> +
>>>>  	if (xhci->quirks & XHCI_RESET_ON_RESUME)
>>>>  		xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
>>>>  				"QUIRK: Resetting on resume");
>>>
>>> That's harsh :)
>>>
>>> Do you want this in 3.17-final?
>>
>> If possible, then yes please.
> 
> Ok.  Mathias, can you ack this so I can apply it now?
> 

Acked-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>

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