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path: root/target/linux/generic/patches-2.6.39/102-ehci_hcd_ignore_oc.patch
blob: f98d8ee02fdb73e5a004ac39b7678a4bd294bbd2 (plain)
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--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -744,7 +744,7 @@ static int ehci_run (struct usb_hcd *hcd
 		"USB %x.%x started, EHCI %x.%02x%s\n",
 		((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f),
 		temp >> 8, temp & 0xff,
-		ignore_oc ? ", overcurrent ignored" : "");
+		(ignore_oc || ehci->ignore_oc) ? ", overcurrent ignored" : "");
 
 	ehci_writel(ehci, INTR_MASK,
 		    &ehci->regs->intr_enable); /* Turn On Interrupts */
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -655,7 +655,7 @@ ehci_hub_status_data (struct usb_hcd *hc
 	 * always set, seem to clear PORT_OCC and PORT_CSC when writing to
 	 * PORT_POWER; that's surprising, but maybe within-spec.
 	 */
-	if (!ignore_oc)
+	if (!ignore_oc || !ehci->ignore_oc)
 		mask = PORT_CSC | PORT_PEC | PORT_OCC;
 	else
 		mask = PORT_CSC | PORT_PEC;
@@ -873,7 +873,7 @@ static int ehci_hub_control (
 		if (temp & PORT_PEC)
 			status |= USB_PORT_STAT_C_ENABLE << 16;
 
-		if ((temp & PORT_OCC) && !ignore_oc){
+		if ((temp & PORT_OCC) && (!ignore_oc || !ehci->ignore_oc)){
 			status |= USB_PORT_STAT_C_OVERCURRENT << 16;
 
 			/*
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -134,6 +134,7 @@ struct ehci_hcd {			/* one per controlle
 	unsigned		amd_pll_fix:1;
 	unsigned		fs_i_thresh:1;	/* Intel iso scheduling */
 	unsigned		use_dummy_qh:1;	/* AMD Frame List table quirk*/
+	unsigned		ignore_oc:1;
 
 	/* required for usb32 quirk */
 	#define OHCI_CTRL_HCFS          (3 << 6)