summaryrefslogtreecommitdiffstats
path: root/target/linux/generic/patches-3.2/102-ehci_hcd_ignore_oc.patch
blob: 2ce8ddaa1cc407bd4f74d7a55dbc321700e925ea (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -753,7 +753,7 @@ 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
@@ -578,7 +578,7 @@ 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;
@@ -803,7 +803,7 @@ 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
@@ -147,6 +147,7 @@ struct ehci_hcd {			/* one per controlle
 	unsigned		use_dummy_qh:1;	/* AMD Frame List table quirk*/
 	unsigned		has_synopsys_hc_bug:1; /* Synopsys HC */
 	unsigned		frame_index_bug:1; /* MosChip (AKA NetMos) */
+	unsigned		ignore_oc:1;
 
 	/* required for usb32 quirk */
 	#define OHCI_CTRL_HCFS          (3 << 6)