diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-01-07 14:14:15 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-01-07 14:14:15 +0100 |
| commit | 1c2a48cf65580a276552151eb8f78d78c55b828e (patch) | |
| tree | 68ed0628a276b33cb5aa0ad4899c1afe0a33a69d /drivers/usb/host/xhci-hub.c | |
| parent | 0aa002fe602939370e9476e5ec32b562000a0425 (diff) | |
| parent | cb600d2f83c854ec3d6660063e4466431999489b (diff) | |
Merge branch 'linus' into x86/apic-cleanups
Conflicts:
arch/x86/include/asm/io_apic.h
Merge reason: Resolve the conflict, update to a more recent -rc base
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/usb/host/xhci-hub.c')
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index fef5a1f9d48..5d963e35049 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -229,6 +229,13 @@ void xhci_ring_device(struct xhci_hcd *xhci, int slot_id) static void xhci_disable_port(struct xhci_hcd *xhci, u16 wIndex, u32 __iomem *addr, u32 port_status) { + /* Don't allow the USB core to disable SuperSpeed ports. */ + if (xhci->port_array[wIndex] == 0x03) { + xhci_dbg(xhci, "Ignoring request to disable " + "SuperSpeed port.\n"); + return; + } + /* Write 1 to disable the port */ xhci_writel(xhci, port_status | PORT_PE, addr); port_status = xhci_readl(xhci, addr); |