USB: ohci: make distrust_firmware a quirk

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 26bc479..96fe76e 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -483,6 +483,9 @@
 	int ret;
 	struct usb_hcd *hcd = ohci_to_hcd(ohci);
 
+	if (distrust_firmware)
+		ohci->flags |= OHCI_QUIRK_HUB_POWER;
+
 	disable (ohci);
 	ohci->regs = hcd->regs;
 
@@ -689,7 +692,8 @@
 		temp |= RH_A_NOCP;
 		temp &= ~(RH_A_POTPGT | RH_A_NPS);
 		ohci_writel (ohci, temp, &ohci->regs->roothub.a);
-	} else if ((ohci->flags & OHCI_QUIRK_AMD756) || distrust_firmware) {
+	} else if ((ohci->flags & OHCI_QUIRK_AMD756) ||
+			(ohci->flags & OHCI_QUIRK_HUB_POWER)) {
 		/* hub power always on; required for AMD-756 and some
 		 * Mac platforms.  ganged overcurrent reporting, if any.
 		 */