diff options
author | James Morris <jmorris@namei.org> | 2011-05-19 18:51:57 +1000 |
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committer | James Morris <jmorris@namei.org> | 2011-05-19 18:51:57 +1000 |
commit | 12a5a2621b1ee14d32beca35304d7c6076a58815 (patch) | |
tree | 213e13f99de690b3c4a510f504393b63ada626bd /drivers/usb/host/xhci-hub.c | |
parent | e77dc3460fa59be5759e9327ad882868eee9d61b (diff) | |
parent | 61c4f2c81c61f73549928dfd9f3e8f26aa36a8cf (diff) | |
download | linux-3.10-12a5a2621b1ee14d32beca35304d7c6076a58815.tar.gz linux-3.10-12a5a2621b1ee14d32beca35304d7c6076a58815.tar.bz2 linux-3.10-12a5a2621b1ee14d32beca35304d7c6076a58815.zip |
Merge branch 'master' into next
Conflicts:
include/linux/capability.h
Manually resolve merge conflict w/ thanks to Stephen Rothwell.
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 | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index a78f2ebd11b..73f75d26436 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -777,7 +777,7 @@ int xhci_bus_suspend(struct usb_hcd *hcd) if (t1 != t2) xhci_writel(xhci, t2, port_array[port_index]); - if (DEV_HIGHSPEED(t1)) { + if (hcd->speed != HCD_USB3) { /* enable remote wake up for USB 2.0 */ u32 __iomem *addr; u32 tmp; @@ -866,6 +866,21 @@ int xhci_bus_resume(struct usb_hcd *hcd) temp |= PORT_LINK_STROBE | XDEV_U0; xhci_writel(xhci, temp, port_array[port_index]); } + /* wait for the port to enter U0 and report port link + * state change. + */ + spin_unlock_irqrestore(&xhci->lock, flags); + msleep(20); + spin_lock_irqsave(&xhci->lock, flags); + + /* Clear PLC */ + temp = xhci_readl(xhci, port_array[port_index]); + if (temp & PORT_PLC) { + temp = xhci_port_state_to_neutral(temp); + temp |= PORT_PLC; + xhci_writel(xhci, temp, port_array[port_index]); + } + slot_id = xhci_find_slot_id_by_port(hcd, xhci, port_index + 1); if (slot_id) @@ -873,7 +888,7 @@ int xhci_bus_resume(struct usb_hcd *hcd) } else xhci_writel(xhci, temp, port_array[port_index]); - if (DEV_HIGHSPEED(temp)) { + if (hcd->speed != HCD_USB3) { /* disable remote wake up for USB 2.0 */ u32 __iomem *addr; u32 tmp; |