target/linux/generic/patches-3.2/102-ehci_hcd_ignore_oc.patch

   1 --- a/drivers/usb/host/ehci-hcd.c
   2 +++ b/drivers/usb/host/ehci-hcd.c
   3 @@ -753,7 +753,7 @@ static int ehci_run (struct usb_hcd *hcd
   4                 "USB %x.%x started, EHCI %x.%02x%s\n",
   5                 ((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f),
   6                 temp >> 8, temp & 0xff,
   7 -               ignore_oc ? ", overcurrent ignored" : "");
   8 +               (ignore_oc || ehci->ignore_oc) ? ", overcurrent ignored" : "");
   9
  10         ehci_writel(ehci, INTR_MASK,
  11                     &ehci->regs->intr_enable); /* Turn On Interrupts */
  12 --- a/drivers/usb/host/ehci-hub.c
  13 +++ b/drivers/usb/host/ehci-hub.c
  14 @@ -578,7 +578,7 @@ ehci_hub_status_data (struct usb_hcd *hc
  15          * always set, seem to clear PORT_OCC and PORT_CSC when writing to
  16          * PORT_POWER; that's surprising, but maybe within-spec.
  17          */
  18 -       if (!ignore_oc)
  19 +       if (!ignore_oc || !ehci->ignore_oc)
  20                 mask = PORT_CSC | PORT_PEC | PORT_OCC;
  21         else
  22                 mask = PORT_CSC | PORT_PEC;
  23 @@ -803,7 +803,7 @@ static int ehci_hub_control (
  24                 if (temp & PORT_PEC)
  25                         status |= USB_PORT_STAT_C_ENABLE << 16;
  26
  27 -               if ((temp & PORT_OCC) && !ignore_oc){
  28 +               if ((temp & PORT_OCC) && (!ignore_oc || !ehci->ignore_oc)){
  29                         status |= USB_PORT_STAT_C_OVERCURRENT << 16;
  30
  31                         /*
  32 --- a/drivers/usb/host/ehci.h
  33 +++ b/drivers/usb/host/ehci.h
  34 @@ -147,6 +147,7 @@ struct ehci_hcd {                   /* one per controlle
  35         unsigned                use_dummy_qh:1; /* AMD Frame List table quirk*/
  36         unsigned                has_synopsys_hc_bug:1; /* Synopsys HC */
  37         unsigned                frame_index_bug:1; /* MosChip (AKA NetMos) */
  38 +       unsigned                ignore_oc:1;
  39
  40         /* required for usb32 quirk */
  41         #define OHCI_CTRL_HCFS          (3 << 6)