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authorFelipe Balbi <felipe.balbi@linux.intel.com>2019-01-11 12:57:09 +0200
committerFelipe Balbi <felipe.balbi@linux.intel.com>2019-01-28 12:53:15 +0200
commita3af5e3ad3f11a0001317da9e9fb78b371c5f603 (patch)
tree90f88bfd5fbfd8351ff1938386429b98e3c08d20 /drivers/usb/dwc3/core.h
parent546970fdab1da5fead4f0f5c8cbf4b1c68213707 (diff)
usb: dwc3: gadget: add dwc3_request status tracking
This patch starts tracking dwc3_request status. A following patch will build on top of this to prevent a request from being queued twice. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc3/core.h')
-rw-r--r--drivers/usb/dwc3/core.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index df876418cb78..5c3ee741541f 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -863,6 +863,7 @@ struct dwc3_hwparams {
* @num_pending_sgs: counter to pending sgs
* @num_queued_sgs: counter to the number of sgs which already got queued
* @remaining: amount of data remaining
+ * @status: internal dwc3 request status tracking
* @epnum: endpoint number to which this request refers
* @trb: pointer to struct dwc3_trb
* @trb_dma: DMA address of @trb
@@ -883,6 +884,14 @@ struct dwc3_request {
unsigned num_pending_sgs;
unsigned int num_queued_sgs;
unsigned remaining;
+
+ unsigned int status;
+#define DWC3_REQUEST_STATUS_QUEUED 0
+#define DWC3_REQUEST_STATUS_STARTED 1
+#define DWC3_REQUEST_STATUS_CANCELLED 2
+#define DWC3_REQUEST_STATUS_COMPLETED 3
+#define DWC3_REQUEST_STATUS_UNKNOWN -1
+
u8 epnum;
struct dwc3_trb *trb;
dma_addr_t trb_dma;