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usb: dwc3: gadget: split dwc3_gadget_ep_cleanup_completed_requests() 

No functional changes, it just makes the code slightly easier to read.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi 2018-04-06 15:56:35 +03:00
parent 6d9d22dac1
commit f38e35dd84
1 changed files with 36 additions and 24 deletions
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60
drivers/usb/dwc3/gadget.c
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@ -2308,6 +2308,40 @@ static bool dwc3_gadget_ep_request_completed(struct dwc3_request *req)
return req->request.actual == req->request.length;
}
static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep,
const struct dwc3_event_depevt *event,
struct dwc3_request *req, int status)
{
int ret;
if (req->num_pending_sgs)
ret = dwc3_gadget_ep_reclaim_trb_sg(dep, req, event,
status);
else
ret = dwc3_gadget_ep_reclaim_trb_linear(dep, req, event,
status);
if (req->unaligned || req->zero) {
ret = dwc3_gadget_ep_reclaim_trb_linear(dep, req, event,
status);
req->unaligned = false;
req->zero = false;
}
req->request.actual = req->request.length - req->remaining;
if (!dwc3_gadget_ep_request_completed(req) &&
req->num_pending_sgs) {
__dwc3_gadget_kick_transfer(dep);
goto out;
}
dwc3_gadget_giveback(dep, req, status);
out:
return ret;
}
static void dwc3_gadget_ep_cleanup_completed_requests(struct dwc3_ep *dep,
const struct dwc3_event_depevt *event, int status)
{
@ -2317,30 +2351,8 @@ static void dwc3_gadget_ep_cleanup_completed_requests(struct dwc3_ep *dep,
list_for_each_entry_safe(req, tmp, &dep->started_list, list) {
int ret;
if (req->num_pending_sgs)
ret = dwc3_gadget_ep_reclaim_trb_sg(dep, req, event,
status);
else
ret = dwc3_gadget_ep_reclaim_trb_linear(dep, req, event,
status);
if (req->unaligned || req->zero) {
ret = dwc3_gadget_ep_reclaim_trb_linear(dep, req, event,
status);
req->unaligned = false;
req->zero = false;
}
req->request.actual = req->request.length - req->remaining;
if (!dwc3_gadget_ep_request_completed(req) ||
req->num_pending_sgs) {
__dwc3_gadget_kick_transfer(dep);
break;
}
dwc3_gadget_giveback(dep, req, status);
ret = dwc3_gadget_ep_cleanup_completed_request(dep, event,
req, status);
if (ret)
break;
}