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| author | J. Bruce Fields <bfields@redhat.com> | 2010-12-17 13:29:07 -0500 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2010-12-17 13:29:07 -0500 |
| commit | ec66ee3797e5848356cf593c6ec7aabf30a00cf1 (patch) | |
| tree | 7ed5c84cc914644ffa1cd1b6a2b45db53fc224e8 /drivers/usb/host/xhci-hub.c | |
| parent | 1205065764f2eda3216ebe213143f69891ee3460 (diff) | |
| parent | b0c3844d8af6b9f3f18f31e1b0502fbefa2166be (diff) | |
| download | op-kernel-dev-ec66ee3797e5848356cf593c6ec7aabf30a00cf1.zip op-kernel-dev-ec66ee3797e5848356cf593c6ec7aabf30a00cf1.tar.gz | |
Merge commit 'v2.6.37-rc6' into for-2.6.38
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 fef5a1f..5d963e3 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); |
