diff options
| author | Peter Chen <peter.chen@freescale.com> | 2014-08-29 13:24:15 +0800 |
|---|---|---|
| committer | Peng Fushi <fushi.peng@freescale.com> | 2014-09-01 10:20:59 +0800 |
| commit | ae20a4870e652ba55bb6f0b9528cdaf3ad8321d1 (patch) | |
| tree | 1e8ac74e334f2b059bdf6c852f6447ac39830fa3 | |
| parent | e314064d431d32a5a81da6681f57cdb3c20cad5b (diff) | |
ENGR00329306 usb: gadget: imx: disable stream mode
The USB OTG controller may respond nothing to USB Host token,
if the RXFIFO overrun occurs due to busy system bus when the USB
OTG controller works in device mode, disable stream mode can work
around this issue.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
| -rwxr-xr-x | drivers/usb/gadget/arcotg_udc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/gadget/arcotg_udc.c b/drivers/usb/gadget/arcotg_udc.c index 2182aa0617ee..b32b786f1b1c 100755 --- a/drivers/usb/gadget/arcotg_udc.c +++ b/drivers/usb/gadget/arcotg_udc.c @@ -398,6 +398,7 @@ static int dr_controller_setup(struct fsl_udc *udc) tmp |= USB_MODE_SETUP_LOCK_OFF; if (pdata->es) tmp |= USB_MODE_ES; + tmp |= USB_MODE_STREAM_DISABLE; fsl_writel(tmp, &dr_regs->usbmode); /* wait dp to 0v */ dr_discharge_line(pdata, true); |