From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Sat, 23 Jan 2016 16:24:09 +0100 Subject: [U-Boot] [PATCH v2] usb: dwc2: Do not mix data toggle for IN and OUT endpoints, check bounds In-Reply-To: <1453509745-16518-1-git-send-email-stefan.bruens@rwth-aachen.de> References: <1453509745-16518-1-git-send-email-stefan.bruens@rwth-aachen.de> Message-ID: <201601231624.09561.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 On Saturday, January 23, 2016 at 01:42:25 AM, Stefan Br?ns wrote: > USB protocol allows for 16 IN and 16 OUT endpoints (USB 2.0 Spec, > 8.3.2.2 Endpoint Field). A function may have an EP 1 for both IN and OUT, > so these two should be kept separate. As EPs are either BULK or INTERRUPT > (or ISO), it is fine to have one array per direction for all transfer > types (also see e236519b7365ef75c5da6a5623f0b03d9c00cfae). > > USB device address is 7 bits, so a bus may have more than 16 devices. > Check the device number, as the DWC2 driver only supports BULK/ISO for > the first 16 devices. > > Signed-off-by: Stefan Br?ns Applied, thanks! Best regards, Marek Vasut