usb: ohci-at91: Set RemoteWakeupConnected bit explicitly.

The reset value of RWC is 0, set RemoteWakeupConnected bit explicitly
before calling ohci_run, it also fixes the issue that the mass
storage stick connected wasn't suspended when the system suspend.

Signed-off-by: Wenyou Yang <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/host/ohci-at91.c

···
 	ohci->num_ports = board->ports;
 	at91_start_hc(pdev);
 
+	/*
+	 * The RemoteWakeupConnected bit has to be set explicitly
+	 * before calling ohci_run. The reset value of this bit is 0.
+	 */
+	ohci->hc_control = OHCI_CTRL_RWC;
+
 	retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
 	if (retval == 0) {
 		device_wakeup_enable(hcd->self.controller);
···
 	 * REVISIT: some boards will be able to turn VBUS off...
 	 */
 	if (!ohci_at91->wakeup) {
-		ohci->hc_control = ohci_readl(ohci, &ohci->regs->control);
-		ohci->hc_control &= OHCI_CTRL_RWC;
-		ohci_writel(ohci, ohci->hc_control, &ohci->regs->control);
 		ohci->rh_state = OHCI_RH_HALTED;
 
 		/* flush the writes */