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usb: dwc3: gadget: simplify short packet event

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We know that only OUT endpoints can trigger SHORT. We also know that
count MUST be > 0 whenever SHORT triggers.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi
2018-04-06 11:04:21 +03:00
parent b27972b508
commit d80fe1b6e3
1 changed files with 1 additions and 7 deletions
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8
drivers/usb/dwc3/gadget.c
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@@ -2221,7 +2221,6 @@ static int dwc3_gadget_ep_reclaim_completed_trb(struct dwc3_ep *dep,
const struct dwc3_event_depevt *event, int status, int chain) const struct dwc3_event_depevt *event, int status, int chain)
{ {
unsigned int count; unsigned int count;
unsigned int s_pkt = 0;
dwc3_ep_inc_deq(dep); dwc3_ep_inc_deq(dep);
@@ -2256,12 +2255,7 @@ static int dwc3_gadget_ep_reclaim_completed_trb(struct dwc3_ep *dep,
if ((trb->ctrl & DWC3_TRB_CTRL_HWO) && status != -ESHUTDOWN) if ((trb->ctrl & DWC3_TRB_CTRL_HWO) && status != -ESHUTDOWN)
return 1; return 1;
if (!dep->direction) { if (event->status & DEPEVT_STATUS_SHORT && !chain)
if (count && (event->status & DEPEVT_STATUS_SHORT))
s_pkt = 1;
}
if (s_pkt && !chain)
return 1; return 1;
if ((event->status & DEPEVT_STATUS_IOC) && if ((event->status & DEPEVT_STATUS_IOC) &&