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authorOliver Neukum <oneukum@suse.de>2014-10-27 14:53:29 +0100
committerLuis Henriques <luis.henriques@canonical.com>2014-11-14 15:19:57 +0000
commit67362e4d79aa0a09a4215d32df4a146a9d78e443 (patch)
tree11c2776faef95e9cd63f7926a04898ff850832ed
parent32bc2b29f5161f14e222682090634bf26f1a8392 (diff)
xhci: no switching back on non-ULT Haswell
commit b45abacde3d551c6696c6738bef4a1805d0bf27a upstream. The switch back is limited to ULT even on HP. The contrary finding arose by bad luck in BIOS versions for testing. This fixes spontaneous resume from S3 on some HP laptops. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
-rw-r--r--drivers/usb/host/xhci-pci.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index ea14b663c8b2..d71aa5a97f0d 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -126,20 +126,6 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
xhci->quirks |= XHCI_AVOID_BEI;
}
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
- (pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI ||
- pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI)) {
- /* Workaround for occasional spurious wakeups from S5 (or
- * any other sleep) on Haswell machines with LPT and LPT-LP
- * with the new Intel BIOS
- */
- /* Limit the quirk to only known vendors, as this triggers
- * yet another BIOS bug on some other machines
- * https://bugzilla.kernel.org/show_bug.cgi?id=66171
- */
- if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP)
- xhci->quirks |= XHCI_SPURIOUS_WAKEUP;
- }
- if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI) {
xhci->quirks |= XHCI_SPURIOUS_REBOOT;
}