From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Date: Fri, 30 May 2014 14:59:10 -0600 Subject: [U-Boot] [PATCH] dfu: fix some issues with reads/uploads In-Reply-To: <20140530102857.414614cc@amdc2363> References: <1400543980-406-1-git-send-email-swarren@wwwdotorg.org> <20140522122029.429fd10c@amdc2363> <537E2E92.7060407@wwwdotorg.org> <20140530102857.414614cc@amdc2363> Message-ID: <5388F11E.5080906@wwwdotorg.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 05/30/2014 02:28 AM, Lukasz Majewski wrote: ... > I've tested if raw u-boot can be downloaded and uploaded via DFU. The > u-boot size is 1MiB precisely. > > Corresponding dfu_alt_info entry: > "u-boot raw 0x80 0x800;" \ ... > 2. Upload (raw): > > dfu-util -a0 -U u-boot-mmc.bin_target > It exits immediately and I can only see the file size of 0. > > So obviously we have regression here. However, since I didn't covered > this case in my tests I don't know when it was broken. Hmmm. I tested with that exact value of dfu_alt_info and got back an exactly 1MB file with either the dfu-util packaged in Ubuntu 12.10, or with the latest git tree of dfu-util. Can you investigate why you're getting back a 0-length file? Perhaps there's some error condition, so dfu-util exits before any data is downloaded, or perhaps when dfu_get_medium_size_mmc() is called, either lba_size or lba_blk_size is 0 (neither should be...) Thanks.