From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabio Estevam Date: Thu, 18 Feb 2016 15:14:22 -0200 Subject: [U-Boot] Issue with USB mass storage (thumb drives) In-Reply-To: <56C5E3F5.4040906@denx.de> References: <56B08683.9000607@exceet.de> <56B309F3.9000503@exceet.de> <201602041228.53313.marex@denx.de> <56C5974E.10600@exceet.de> <56C5E3F5.4040906@denx.de> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Thu, Feb 18, 2016 at 1:32 PM, Marek Vasut wrote: >> Also one of our customers tested a few non-working sticks with this >> change and reported, that it fixed it for him. >> Here's a list of those devices, but I guess there are a lot more: >> >> 1. Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) Flash >> Drive, VID: 0x090c, PID: 0x1000 >> 2. Freecom Technologies, VID: 0x07ab, PID: 0xfcf1 >> 3. Newron, VID: 0x8644, PID: 0x800e >> 4. GEMBIRD PhotoFrame PF-15-1, VID: 0x1908, PID: 0x1320 >> > Maybe we need a quirk table then ? It seems the list of affected devices is unknown. What would be the impact of changing USB_MAX_XFER_BLK from 65535 to 32767? Would this impact the USB transfer rate? Frieder, do you know?