diff options
Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
-rw-r--r-- | drivers/usb/host/ehci-hub.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index c75d9270c752..19372673bf09 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c | |||
@@ -196,7 +196,9 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) | |||
196 | if (hostpc_reg) { | 196 | if (hostpc_reg) { |
197 | u32 t3; | 197 | u32 t3; |
198 | 198 | ||
199 | spin_unlock_irq(&ehci->lock); | ||
199 | msleep(5);/* 5ms for HCD enter low pwr mode */ | 200 | msleep(5);/* 5ms for HCD enter low pwr mode */ |
201 | spin_lock_irq(&ehci->lock); | ||
200 | t3 = ehci_readl(ehci, hostpc_reg); | 202 | t3 = ehci_readl(ehci, hostpc_reg); |
201 | ehci_writel(ehci, t3 | HOSTPC_PHCD, hostpc_reg); | 203 | ehci_writel(ehci, t3 | HOSTPC_PHCD, hostpc_reg); |
202 | t3 = ehci_readl(ehci, hostpc_reg); | 204 | t3 = ehci_readl(ehci, hostpc_reg); |
@@ -904,17 +906,18 @@ static int ehci_hub_control ( | |||
904 | if ((temp & PORT_PE) == 0 | 906 | if ((temp & PORT_PE) == 0 |
905 | || (temp & PORT_RESET) != 0) | 907 | || (temp & PORT_RESET) != 0) |
906 | goto error; | 908 | goto error; |
907 | ehci_writel(ehci, temp | PORT_SUSPEND, status_reg); | 909 | |
908 | /* After above check the port must be connected. | 910 | /* After above check the port must be connected. |
909 | * Set appropriate bit thus could put phy into low power | 911 | * Set appropriate bit thus could put phy into low power |
910 | * mode if we have hostpc feature | 912 | * mode if we have hostpc feature |
911 | */ | 913 | */ |
914 | temp &= ~PORT_WKCONN_E; | ||
915 | temp |= PORT_WKDISC_E | PORT_WKOC_E; | ||
916 | ehci_writel(ehci, temp | PORT_SUSPEND, status_reg); | ||
912 | if (hostpc_reg) { | 917 | if (hostpc_reg) { |
913 | temp &= ~PORT_WKCONN_E; | 918 | spin_unlock_irqrestore(&ehci->lock, flags); |
914 | temp |= (PORT_WKDISC_E | PORT_WKOC_E); | ||
915 | ehci_writel(ehci, temp | PORT_SUSPEND, | ||
916 | status_reg); | ||
917 | msleep(5);/* 5ms for HCD enter low pwr mode */ | 919 | msleep(5);/* 5ms for HCD enter low pwr mode */ |
920 | spin_lock_irqsave(&ehci->lock, flags); | ||
918 | temp1 = ehci_readl(ehci, hostpc_reg); | 921 | temp1 = ehci_readl(ehci, hostpc_reg); |
919 | ehci_writel(ehci, temp1 | HOSTPC_PHCD, | 922 | ehci_writel(ehci, temp1 | HOSTPC_PHCD, |
920 | hostpc_reg); | 923 | hostpc_reg); |