diff options
Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
-rw-r--r-- | drivers/usb/host/ehci-hub.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index bf2c8f65e1ae..e051b30c1847 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c | |||
@@ -1046,7 +1046,19 @@ static int ehci_hub_control ( | |||
1046 | if (!selector || selector > 5) | 1046 | if (!selector || selector > 5) |
1047 | goto error; | 1047 | goto error; |
1048 | ehci_quiesce(ehci); | 1048 | ehci_quiesce(ehci); |
1049 | |||
1050 | /* Put all enabled ports into suspend */ | ||
1051 | while (ports--) { | ||
1052 | u32 __iomem *sreg = | ||
1053 | &ehci->regs->port_status[ports]; | ||
1054 | |||
1055 | temp = ehci_readl(ehci, sreg) & ~PORT_RWC_BITS; | ||
1056 | if (temp & PORT_PE) | ||
1057 | ehci_writel(ehci, temp | PORT_SUSPEND, | ||
1058 | sreg); | ||
1059 | } | ||
1049 | ehci_halt(ehci); | 1060 | ehci_halt(ehci); |
1061 | temp = ehci_readl(ehci, status_reg); | ||
1050 | temp |= selector << 16; | 1062 | temp |= selector << 16; |
1051 | ehci_writel(ehci, temp, status_reg); | 1063 | ehci_writel(ehci, temp, status_reg); |
1052 | break; | 1064 | break; |