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-rw-r--r--drivers/usb/host/ehci-hub.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index d9e8d713f48..bf2c8f65e1a 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -816,10 +816,11 @@ static int ehci_hub_control (
* power switching; they're allowed to just limit the
* current. khubd will turn the power back on.
*/
- if (HCS_PPC (ehci->hcs_params)){
+ if ((temp & PORT_OC) && HCS_PPC(ehci->hcs_params)) {
ehci_writel(ehci,
temp & ~(PORT_RWC_BITS | PORT_POWER),
status_reg);
+ temp = ehci_readl(ehci, status_reg);
}
}