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authorIngo Molnar <mingo@kernel.org>2016-11-16 10:16:28 +0100
committerIngo Molnar <mingo@kernel.org>2016-11-16 10:16:28 +0100
commit0acbc7aa4713b450ff46f9c9f6ce0060ea6947b1 (patch)
tree480508a78b7d9e9c0da0ffbd33b40e0b4e076a16 /drivers/usb/host/pci-quirks.c
parent353c50ebe329daaf2c94dc41c1c481cbba2a31fd (diff)
parent81bcfe5e48f9b8c42cf547f1c74c7f60c44c34c8 (diff)
Merge branch 'linus' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.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);