USB: Improve usb_fill_* documentation

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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>

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Ricardo Ribalda 2022-12-21 20:34:51 +01:00 • committed by Greg Kroah-Hartman

parent 2582d629c9

commit 28e1ff70a0

1 changed files with 23 additions and 4 deletions

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include/linux/usb.h

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