diff options
Diffstat (limited to 'target/linux/generic/patches-3.1')
| -rw-r--r-- | target/linux/generic/patches-3.1/102-ehci_hcd_ignore_oc.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.1/102-ehci_hcd_ignore_oc.patch b/target/linux/generic/patches-3.1/102-ehci_hcd_ignore_oc.patch new file mode 100644 index 0000000000..6cef4d9918 --- /dev/null +++ b/target/linux/generic/patches-3.1/102-ehci_hcd_ignore_oc.patch @@ -0,0 +1,41 @@ +--- 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 +@@ -581,7 +581,7 @@ 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; +@@ -806,7 +806,7 @@ 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 +@@ -139,6 +139,7 @@ struct ehci_hcd { /* one per controlle + unsigned fs_i_thresh:1; /* Intel iso scheduling */ + unsigned use_dummy_qh:1; /* AMD Frame List table quirk*/ + unsigned has_synopsys_hc_bug:1; /* Synopsys HC */ ++ unsigned ignore_oc:1; + + /* required for usb32 quirk */ + #define OHCI_CTRL_HCFS (3 << 6) |