Messages in this thread | | | Date | Wed, 21 Dec 2022 15:27:20 -0500 | From | Alan Stern <> | Subject | Re: [PATCH v4] USB: Improve usb_fill_* documentation |
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On Wed, Dec 21, 2022 at 08:34:51PM +0100, Ricardo Ribalda wrote: > 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> > --- > USB: Improve usb_fill_* documentation > > After trying to "cleanup" the uvc code, I was patiently explained about > the requirements of the urb transfer buffers. > > Lets make this explicit, so other developers do not make the same mistake. > > To: Bagas Sanjaya <bagasdotme@gmail.com> > To: Randy Dunlap <rdunlap@infradead.org> > To: Alan Stern <stern@rowland.harvard.edu> > To: Christoph Hellwig <hch@lst.de> > To: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > To: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > Cc: linux-usb@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > ---
Acked-by: Alan Stern <stern@rowland.harvard.edu>
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