diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/r8a66597-udc.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c index 834a0202ae3..b8b30059f8a 100644 --- a/drivers/usb/gadget/r8a66597-udc.c +++ b/drivers/usb/gadget/r8a66597-udc.c @@ -622,6 +622,7 @@ static void disable_controller(struct r8a66597 *r8a66597) { if (r8a66597->pdata->on_chip) { r8a66597_bset(r8a66597, SCKE, SYSCFG0); + r8a66597_bclr(r8a66597, UTST, TESTMODE); /* disable interrupts */ r8a66597_write(r8a66597, 0, INTENB0); @@ -639,6 +640,7 @@ static void disable_controller(struct r8a66597 *r8a66597) r8a66597_bclr(r8a66597, SCKE, SYSCFG0); } else { + r8a66597_bclr(r8a66597, UTST, TESTMODE); r8a66597_bclr(r8a66597, SCKE, SYSCFG0); udelay(1); r8a66597_bclr(r8a66597, PLLC, SYSCFG0); @@ -1003,10 +1005,29 @@ static void clear_feature(struct r8a66597 *r8a66597, static void set_feature(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl) { + u16 tmp; + int timeout = 3000; switch (ctrl->bRequestType & USB_RECIP_MASK) { case USB_RECIP_DEVICE: - control_end(r8a66597, 1); + switch (le16_to_cpu(ctrl->wValue)) { + case USB_DEVICE_TEST_MODE: + control_end(r8a66597, 1); + /* Wait for the completion of status stage */ + do { + tmp = r8a66597_read(r8a66597, INTSTS0) & CTSQ; + udelay(1); + } while (tmp != CS_IDST || timeout-- > 0); + + if (tmp == CS_IDST) + r8a66597_bset(r8a66597, + le16_to_cpu(ctrl->wIndex >> 8), + TESTMODE); + break; + default: + pipe_stall(r8a66597, 0); + break; + } break; case USB_RECIP_INTERFACE: control_end(r8a66597, 1); |