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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-11-14 08:53:56 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-11-14 08:53:56 +0100
commitce0347c2b089eb6ad6c14ab628a0ba5eb42f1492 (patch)
treeac46f6168ebf7d44e33903f35f699cda2ec21ace /drivers/usb/host/pci-quirks.c
parentabbdc56b17d662ae710bc0c30cf0d0e9da805fd4 (diff)
parenta25f0944ba9b1d8a6813fd6f1a86f1bd59ac25a6 (diff)
downloadlinux-ce0347c2b089eb6ad6c14ab628a0ba5eb42f1492.tar.bz2
Merge 4.9-rc5 into staging-next
We want the staging/iio fixes in here as well to resolve issues and merge problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/pci-quirks.c')
-rw-r--r--drivers/usb/host/pci-quirks.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index d793f548dfe2..a9a1e4c40480 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -995,6 +995,14 @@ static void quirk_usb_handoff_xhci(struct pci_dev *pdev)
}
val = readl(base + ext_cap_offset);
+ /* Auto handoff never worked for these devices. Force it and continue */
+ if ((pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241) ||
+ (pdev->vendor == PCI_VENDOR_ID_RENESAS
+ && pdev->device == 0x0014)) {
+ val = (val | XHCI_HC_OS_OWNED) & ~XHCI_HC_BIOS_OWNED;
+ writel(val, base + ext_cap_offset);
+ }
+
/* 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);