diff options
| author | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2014-01-17 15:38:12 -0800 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2014-03-31 14:22:34 +0200 |
| commit | 1e716a5e78cb28cb004ccb58d904191f0d1cbba3 (patch) | |
| tree | 17e7737697301592674051ef1713d97f282c403c | |
| parent | 16cf0c328d308b4bfb2baf0257bfdff47899a6ca (diff) | |
xhci: Fix resume issues on Renesas chips in Samsung laptops
commit 1aa9578c1a9450fb21501c4f549f5b1edb557e6d upstream.
Don Zickus <dzickus@redhat.com> writes:
Some co-workers of mine bought Samsung laptops that had mostly usb3 ports.
Those ports did not resume correctly (the driver would timeout communicating
and fail). This led to frustration as suspend/resume is a common use for
laptops.
Poking around, I applied the reset on resume quirk to this chipset and the
resume started working. Reloading the xhci_hcd module had been the temporary
workaround.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Reported-by: Don Zickus <dzickus@redhat.com>
Tested-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
| -rw-r--r-- | drivers/usb/host/xhci-pci.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 73f5208714a4..1af67a214d33 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -142,6 +142,11 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) "QUIRK: Resetting on resume"); 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) + xhci->quirks |= XHCI_RESET_ON_RESUME; if (pdev->vendor == PCI_VENDOR_ID_VIA) xhci->quirks |= XHCI_RESET_ON_RESUME; } |