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| author | Felipe Balbi <felipe.balbi@linux.intel.com> | 2018-08-01 13:53:29 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2018-11-26 09:08:29 +0200 |
| commit | d5443bbf5fc8f8389cce146b1fc2987cdd229d12 (patch) | |
| tree | 820ccda60260434a28c2f2b34e02f919a0f545f8 | |
| parent | 7746a8dfb3f9c91b3a0b63a1d5c2664410e6498d (diff) | |
| download | linux-d5443bbf5fc8f8389cce146b1fc2987cdd229d12.tar.bz2 | |
usb: dwc3: gadget: introduce cancelled_list
This list will host cancelled requests who still have TRBs being
processed.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| -rw-r--r-- | drivers/usb/dwc3/core.h | 2 | ||||
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 1 | ||||
| -rw-r--r-- | drivers/usb/dwc3/gadget.h | 15 |
3 files changed, 18 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 8405519413a4..9798c73c09ce 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -646,6 +646,7 @@ struct dwc3_event_buffer { /** * struct dwc3_ep - device side endpoint representation * @endpoint: usb endpoint + * @cancelled_list: list of cancelled requests for this endpoint * @pending_list: list of pending requests for this endpoint * @started_list: list of started requests on this endpoint * @wait_end_transfer: wait_queue_head_t for waiting on End Transfer complete @@ -673,6 +674,7 @@ struct dwc3_event_buffer { */ struct dwc3_ep { struct usb_ep endpoint; + struct list_head cancelled_list; struct list_head pending_list; struct list_head started_list; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 9728978070b7..17203944d77f 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2284,6 +2284,7 @@ static int dwc3_gadget_init_endpoint(struct dwc3 *dwc, u8 epnum) INIT_LIST_HEAD(&dep->pending_list); INIT_LIST_HEAD(&dep->started_list); + INIT_LIST_HEAD(&dep->cancelled_list); return 0; } diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index 2aacd1afd9ff..023a473648eb 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -79,6 +79,21 @@ static inline void dwc3_gadget_move_started_request(struct dwc3_request *req) list_move_tail(&req->list, &dep->started_list); } +/** + * dwc3_gadget_move_cancelled_request - move @req to the cancelled_list + * @req: the request to be moved + * + * Caller should take care of locking. This function will move @req from its + * current list to the endpoint's cancelled_list. + */ +static inline void dwc3_gadget_move_cancelled_request(struct dwc3_request *req) +{ + struct dwc3_ep *dep = req->dep; + + req->started = false; + list_move_tail(&req->list, &dep->cancelled_list); +} + void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, int status); |