we can cache the last read value of the event
buffer count register on this field, for later
handling.
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/usb/dwc3/core.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index e7b0679..5e87cc0 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -371,6 +371,7 @@ struct dwc3_trb;
* @length: size of this buffer
* @lpos: event offset
* @flags: flags related to this event buffer
+ * @count: cache of last read event count register
* @dma: dma_addr_t
* @dwc: pointer to DWC controller
*/
@@ -379,6 +380,7 @@ struct dwc3_event_buffer {
unsigned length;
unsigned int lpos;
unsigned int flags;
+ unsigned int count;
#define DWC3_EVENT_PENDING BIT(0)
--
1.8.1.rc1.5.g7e0651a
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