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authorFelipe Balbi <felipe.balbi@linux.intel.com>2018-04-06 14:56:35 +0200
committerFelipe Balbi <felipe.balbi@linux.intel.com>2018-05-21 09:00:57 +0200
commitf38e35dd84e2eee9c1dfadba90db3855da2b1116 (patch)
tree36133da8e0b377d156c17c069d8ee66fbd25512c /drivers/usb/dwc3/gadget.c
parentusb: dwc3: gadget: get rid of the length variable (diff)
downloadlinux-f38e35dd84e2eee9c1dfadba90db3855da2b1116.tar.xz
linux-f38e35dd84e2eee9c1dfadba90db3855da2b1116.zip
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>
Diffstat (limited to 'drivers/usb/dwc3/gadget.c')
-rw-r--r--drivers/usb/dwc3/gadget.c60
1 files changed, 36 insertions, 24 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index a4ba5d3a5332..bdd1d61818fc 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -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;
}