[PATCH v2] usb: dwc3: Fix documentation warning for sg member

[Usman Akinyemi]

The 'sg' member in struct dwc3_request was undocumented, causing a
documentation warning when building the kernel docs.

This patch adds a description for the 'sg' field, resolving the warning.

Fixes: 61440628a4ff ("usb: dwc3: gadget: Cleanup SG handling")
Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Usman Akinyemi <usmanakinyemi202@xxxxxxxxx>
---
 drivers/usb/dwc3/core.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index ee73789326bc..0c417a12e6f4 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -941,6 +941,7 @@ struct dwc3_hwparams {
  * @request: struct usb_request to be transferred
  * @list: a list_head used for request queueing
  * @dep: struct dwc3_ep owning this request
+ * @sg: pointer to a scatterlist for DMA operations
  * @start_sg: pointer to the sg which should be queued next
  * @num_pending_sgs: counter to pending sgs
  * @remaining: amount of data remaining
-- 
2.48.0