diff mbox series

[3/3] xhci: Add missing CAS workaround for Intel Sunrise Point xHCI

Message ID 1536928411-12045-4-git-send-email-mathias.nyman@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series xhci fixes for usb-linus | expand

Commit Message

Mathias Nyman Sept. 14, 2018, 12:33 p.m. UTC
The workaround for missing CAS bit is also needed for xHC on Intel
sunrisepoint PCH. For more details see:

Intel 100/c230 series PCH specification update Doc #332692-006 Errata #8

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
---
 drivers/usb/host/xhci-pci.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Greg KH Sept. 14, 2018, 1:01 p.m. UTC | #1
On Fri, Sep 14, 2018 at 03:33:31PM +0300, Mathias Nyman wrote:
> The workaround for missing CAS bit is also needed for xHC on Intel
> sunrisepoint PCH. For more details see:
> 
> Intel 100/c230 series PCH specification update Doc #332692-006 Errata #8
> 
> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
> ---
>  drivers/usb/host/xhci-pci.c | 2 ++
>  1 file changed, 2 insertions(+)

No stable tree tagging?
Mathias Nyman Sept. 17, 2018, 7:45 a.m. UTC | #2
On 14.09.2018 16:01, Greg KH wrote:
> On Fri, Sep 14, 2018 at 03:33:31PM +0300, Mathias Nyman wrote:
>> The workaround for missing CAS bit is also needed for xHC on Intel
>> sunrisepoint PCH. For more details see:
>>
>> Intel 100/c230 series PCH specification update Doc #332692-006 Errata #8
>>
>> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
>> ---
>>   drivers/usb/host/xhci-pci.c | 2 ++
>>   1 file changed, 2 insertions(+)
> 
> No stable tree tagging?
> 

Sorry, my bad, this should go to stable as well.

-Mathias
diff mbox series

Patch

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 6372edf..722860e 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -185,6 +185,8 @@  static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 	}
 	if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
 	    (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI ||
 	     pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI ||
 	     pdev->device == PCI_DEVICE_ID_INTEL_DNV_XHCI))
 		xhci->quirks |= XHCI_MISSING_CAS;