diff options
| author | Felipe Balbi <balbi@ti.com> | 2015-10-02 08:39:01 -0500 |
|---|---|---|
| committer | Sekhar Nori <nsekhar@ti.com> | 2015-10-07 12:06:31 +0530 |
| commit | 6d0853ef48475327b3df3922e6ccb3ed3efe0df9 (patch) | |
| tree | edb938b012ca9573e41f86e0e5676c85419ff8b1 | |
| parent | b2240d22ff79d4e024172a95507c8f168774ba2b (diff) | |
| download | jacinto6evm-6d0853ef48475327b3df3922e6ccb3ed3efe0df9.tar.gz | |
usb: dwc3: gadget: start transfer on XFER_COMPLETE
if by the time we get to XFER_COMPLETE we have
pending requests to be processed, instead of waiting
for a following XFER_NOT_READY, let's start the request
right away and, maybe, save the time of a few NAKs
due to lack of started transfers.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 33d2a9f86590..33689a8fc2ce 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2062,6 +2062,14 @@ static void dwc3_endpoint_transfer_complete(struct dwc3 *dwc, dwc->u1u2 = 0; } + + if (is_xfer_complete && !usb_endpoint_xfer_isoc(dep->endpoint.desc)) { + int ret; + + ret = __dwc3_gadget_kick_transfer(dep, 0, 1); + if (!ret || ret == -EBUSY) + return; + } } static void dwc3_endpoint_interrupt(struct dwc3 *dwc, |