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| author | Minas Harutyunyan <Minas.Harutyunyan@synopsys.com> | 2018-06-12 12:37:29 +0400 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2018-06-18 12:41:00 +0300 |
| commit | 1ffba9058737af2ddeebc813faa8ea9b16bc892a (patch) | |
| tree | 0c5ad5c1361ddc63820e4509b44b308861d415e3 | |
| parent | 3ec148ebe3112b40c9a2c0c543bcb0cd1a3abd43 (diff) | |
| download | linux-stable-1ffba9058737af2ddeebc813faa8ea9b16bc892a.tar.gz linux-stable-1ffba9058737af2ddeebc813faa8ea9b16bc892a.tar.bz2 linux-stable-1ffba9058737af2ddeebc813faa8ea9b16bc892a.zip | |
usb: dwc2: gadget: Fix issue in dwc2_gadget_start_isoc()
In case of requests queue is empty reset EP target_frame to
initial value.
This allow restarting ISOC traffic in case when function
driver queued requests with interruptions.
Tested-by: Zeng Tao <prime.zeng@hisilicon.com>
Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| -rw-r--r-- | drivers/usb/dwc2/gadget.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index f0d9ccf1d665..bb499fea6100 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -884,6 +884,7 @@ static void dwc2_gadget_start_isoc_ddma(struct dwc2_hsotg_ep *hs_ep) struct dwc2_dma_desc *desc; if (list_empty(&hs_ep->queue)) { + hs_ep->target_frame = TARGET_FRAME_INITIAL; dev_dbg(hsotg->dev, "%s: No requests in queue\n", __func__); return; } |