USB: Improve usb_fill_* documentation
authorRicardo Ribalda <ribalda@chromium.org>
Wed, 21 Dec 2022 19:34:51 +0000 (20:34 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 17 Jan 2023 16:19:40 +0000 (17:19 +0100)
commit28e1ff70a08d331703f115534bd4278e11451439
tree99476e112b354dbc1be82212c5cb3b5cb51af4db
parent2582d629c9e01687aee905ac0bce33615a8a004a
USB: Improve usb_fill_* documentation

Document the transfer buffer requirement. That is, the buffer must be
DMAble - otherwise data corruption might occur.

Acked-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20221220-usb-dmadoc-v4-0-74a045bf14f4@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
include/linux/usb.h