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| author | Tony Lindgren <tony@atomide.com> | 2010-12-10 09:44:39 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-12-10 09:44:39 -0800 |
| commit | 67b738ef32df7ec429004866d2a739a3775894d2 (patch) | |
| tree | 5c67fa0cea6cc7298321480eda2df04bef795305 /drivers/usb/host/xhci-hub.c | |
| parent | c451278c2864e253a4bb303b596a29edc3bb527c (diff) | |
| parent | 5d190c40100793a6dfc37bf325677c10f3c80edf (diff) | |
| download | talos-op-linux-67b738ef32df7ec429004866d2a739a3775894d2.tar.gz talos-op-linux-67b738ef32df7ec429004866d2a739a3775894d2.zip | |
Merge branch 'devel-omap-irq' into omap-for-linus
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 fef5a1f9d483..5d963e350494 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); |
