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Merge branch 'for-usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-linus 

* 'for-usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci:
  Revert "xHCI: reset-on-resume quirk for NEC uPD720200"
  xHCI: fix bug in xhci_clear_command_ring()
This commit is contained in:
Greg Kroah-Hartman 2011-12-01 11:11:43 -08:00
parent 307369b0ca 0de13500ad
commit 8593b6f6b0
2 changed files with 5 additions and 7 deletions
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7
drivers/usb/host/xhci-pci.c
View File

@ -33,8 +33,6 @@
#define PCI_VENDOR_ID_ETRON 0x1b6f
#define PCI_DEVICE_ID_ASROCK_P67 0x7023
#define PCI_DEVICE_ID_NEC_uPD720200 0x0194
static const char hcd_name[] = "xhci_hcd";
/* called after powerup, by probe or system-pm "wakeup" */
@ -76,11 +74,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
pdev->revision);
}
if (pdev->vendor == PCI_VENDOR_ID_NEC) {
if (pdev->vendor == PCI_VENDOR_ID_NEC)
xhci->quirks |= XHCI_NEC_HOST;
if (pdev->device == PCI_DEVICE_ID_NEC_uPD720200)
xhci->quirks |= XHCI_RESET_ON_RESUME;
}
if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version == 0x96)
xhci->quirks |= XHCI_AMD_0x96_HOST;

5
drivers/usb/host/xhci.c
View File

@ -711,7 +711,10 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci)
ring = xhci->cmd_ring;
seg = ring->deq_seg;
do {
memset(seg->trbs, 0, SEGMENT_SIZE);
memset(seg->trbs, 0,
sizeof(union xhci_trb) * (TRBS_PER_SEGMENT - 1));
seg->trbs[TRBS_PER_SEGMENT - 1].link.control &=
cpu_to_le32(~TRB_CYCLE);
seg = seg->next;
} while (seg != ring->deq_seg);