From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Fri, 20 Sep 2013 12:58:00 +0200 Subject: [U-Boot] [PATCH V4 10/17] usb: gadget: mv_udc: optimize bounce In-Reply-To: <1379647780-2623-11-git-send-email-troy.kisky@boundarydevices.com> References: <1379647780-2623-1-git-send-email-troy.kisky@boundarydevices.com> <1379647780-2623-11-git-send-email-troy.kisky@boundarydevices.com> Message-ID: <201309201258.00209.marex@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Dear Troy Kisky, > Only perform one copy, either in the bounce > routine for IN transfers, or the debounce > rtn for OUT transfer. > > On out transfers, only copy the number > of bytes received from the bounce buffer > > Signed-off-by: Troy Kisky > > --- > v4: no change Just a question here. Are you sure we never Send AND Reserve the data in one turn? Because that would need two copyings. Best regards, Marek Vasut