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usb: dwc3: add count field to event buffer

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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@ti.com>
This commit is contained in:
Felipe Balbi 2011-07-04 20:23:14 +03:00
parent abed411869
commit 60d04bbee0
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/dwc3/core.h
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@ -370,6 +370,7 @@ struct dwc3_trb;
* @buf: _THE_ buffer * @buf: _THE_ buffer
* @length: size of this buffer * @length: size of this buffer
* @lpos: event offset * @lpos: event offset
* @count: cache of last read event count register
* @flags: flags related to this event buffer * @flags: flags related to this event buffer
* @dma: dma_addr_t * @dma: dma_addr_t
* @dwc: pointer to DWC controller * @dwc: pointer to DWC controller
@ -378,6 +379,7 @@ struct dwc3_event_buffer {
void *buf; void *buf;
unsigned length; unsigned length;
unsigned int lpos; unsigned int lpos;
unsigned int count;
unsigned int flags; unsigned int flags;
#define DWC3_EVENT_PENDING BIT(0) #define DWC3_EVENT_PENDING BIT(0)