2.6.33-longterm review patch. If anyone has any objections, please let us know.
------------------ From: JiSheng Zhang <jszha...@gmail.com> commit 6768458b17f9bf48a4c3a34e49b20344091b5f7e upstream. Software should set XHCI_HC_OS_OWNED bit to request ownership of xHC. This patch should be backported to kernels as far back as 2.6.31. Signed-off-by: JiSheng Zhang <jszha...@gmail.com> Signed-off-by: Sarah Sharp <sarah.a.sh...@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gre...@suse.de> --- drivers/usb/host/pci-quirks.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -412,7 +412,7 @@ static void __devinit quirk_usb_handoff_ /* If the BIOS owns the HC, signal that the OS wants it, and wait */ if (val & XHCI_HC_BIOS_OWNED) { - writel(val & XHCI_HC_OS_OWNED, base + ext_cap_offset); + writel(val | XHCI_HC_OS_OWNED, base + ext_cap_offset); /* Wait for 5 seconds with 10 microsecond polling interval */ timeout = handshake(base + ext_cap_offset, XHCI_HC_BIOS_OWNED, _______________________________________________ stable mailing list stable@linux.kernel.org http://linux.kernel.org/mailman/listinfo/stable