Re: [PATCH 063/100] usb: dwc3: add count field to event buffer

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Hello.

On 26-02-2013 13:34, Felipe Balbi wrote:

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;

You probably wanted to insert this member after the next #define since that one is related to the 'flags' member as follows from the previous patch.


  #define DWC3_EVENT_PENDING	BIT(0)

WBR, Sergei


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