From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2] usb: dwc2: Do not mix data toggle for IN and OUT endpoints, check bounds
Date: Sat, 23 Jan 2016 16:24:09 +0100 [thread overview]
Message-ID: <201601231624.09561.marex@denx.de> (raw)
In-Reply-To: <1453509745-16518-1-git-send-email-stefan.bruens@rwth-aachen.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 <stefan.bruens@rwth-aachen.de>
Applied, thanks!
Best regards,
Marek Vasut
prev parent reply other threads:[~2016-01-23 15:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-23 0:42 [U-Boot] [PATCH v2] usb: dwc2: Do not mix data toggle for IN and OUT endpoints, check bounds Stefan Brüns
2016-01-23 15:24 ` Marek Vasut [this message]
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