diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-23 08:20:44 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-23 08:21:03 -0800 |
| commit | c69263c66e5b2a5d0c7e5a41c189b1846ae1de92 (patch) | |
| tree | 81c6cf0f5b3b05739e2e73b0118077d9dd245182 /drivers/usb/host/xhci-mem.c | |
| parent | 45196cee28a5bcfb6ddbe2bffa4270cbed66ae4b (diff) | |
| parent | 5407a3c3d942e75d4d123d213fd692bce5acc961 (diff) | |
Merge branch 'usb-3.3-rc4' into usb-next
This is to pull in the xhci changes and the other fixes and device id
updates that were done in Linus's tree.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-mem.c')
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 383fc857491c..8339d826ce58 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -2157,7 +2157,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) unsigned int val, val2; u64 val_64; struct xhci_segment *seg; - u32 page_size; + u32 page_size, temp; int i; page_size = xhci_readl(xhci, &xhci->op_regs->page_size); @@ -2340,6 +2340,15 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) INIT_LIST_HEAD(&xhci->lpm_failed_devs); + /* Enable USB 3.0 device notifications for function remote wake, which + * is necessary for allowing USB 3.0 devices to do remote wakeup from + * U3 (device suspend). + */ + temp = xhci_readl(xhci, &xhci->op_regs->dev_notification); + temp &= ~DEV_NOTE_MASK; + temp |= DEV_NOTE_FWAKE; + xhci_writel(xhci, temp, &xhci->op_regs->dev_notification); + return 0; fail: |