usb: dwc3: add a flags field to event buffer

that way we know if a particular event buffer
has pending events, or not.

Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 80f763f..e7b0679 100644 (file)
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -369,6 +369,8 @@ struct dwc3_trb;
  * @list: a list of event buffers
  * @buf: _THE_ buffer
  * @length: size of this buffer
+ * @lpos: event offset
+ * @flags: flags related to this event buffer
  * @dma: dma_addr_t
  * @dwc: pointer to DWC controller
  */
@@ -376,6 +378,9 @@ struct dwc3_event_buffer {
        void                    *buf;
        unsigned                length;
        unsigned int            lpos;
+       unsigned int            flags;
+
+#define DWC3_EVENT_PENDING     BIT(0)
 
        dma_addr_t              dma;