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| author | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-04-05 11:33:30 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-04-18 15:23:48 +0300 |
| commit | 5ef68c56e169a9249b94645a9ea9ca8d14672d26 (patch) | |
| tree | a98e1056056ed568612b7a26e346324ef4188eac /drivers/usb | |
| parent | 53fd88189e08c91cb9b43e2d51b4eb314a3d00d7 (diff) | |
| download | linux-5ef68c56e169a9249b94645a9ea9ca8d14672d26.tar.xz | |
usb: dwc3: core: document struct dwc3_request
No functional changes. Merely adding useful
documentation for future readers.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/dwc3/core.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index a29d797bfcf4..c0049c811cca 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -624,6 +624,19 @@ struct dwc3_hwparams { /* HWPARAMS7 */ #define DWC3_RAM1_DEPTH(n) ((n) & 0xffff) +/** + * struct dwc3_request - representation of a transfer request + * @request: struct usb_request to be transferred + * @list: a list_head used for request queueing + * @dep: struct dwc3_ep owning this request + * @first_trb_index: index to first trb used by this request + * @epnum: endpoint number to which this request refers + * @trb: pointer to struct dwc3_trb + * @trb_dma: DMA address of @trb + * @direction: IN or OUT direction flag + * @mapped: true when request has been dma-mapped + * @queued: true when request has been queued to HW + */ struct dwc3_request { struct usb_request request; struct list_head list; |