diff options
| author | James Morris <jmorris@namei.org> | 2011-01-10 09:46:24 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-01-10 09:46:24 +1100 |
| commit | d2e7ad19229f982fc1eb731827d82ceac90abfb3 (patch) | |
| tree | 98a3741b4d4b27a48b3c7ea9babe331e539416a8 /drivers/usb/host/xhci-hub.c | |
| parent | d03a5d888fb688c832d470b749acc5ed38e0bc1d (diff) | |
| parent | 0c21e3aaf6ae85bee804a325aa29c325209180fd (diff) | |
Merge branch 'master' into next
Conflicts:
security/smack/smack_lsm.c
Verified and added fix by Stephen Rothwell <sfr@canb.auug.org.au>
Ok'd by Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: James Morris <jmorris@namei.org>
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); |