linux-kernel - Re: [PATCH 0/1] can: esd_usb: Add support for esd CAN-USB/3

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Message-ID: <20230803-champion-shrewdly-2eb7dfa82f84-mkl@pengutronix.de>
Date:   Thu, 3 Aug 2023 10:10:04 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Frank Jungclaus <frank.jungclaus@....eu>
Cc:     linux-can@...r.kernel.org, Wolfgang Grandegger <wg@...ndegger.com>,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>,
        Stefan Mätje <stefan.maetje@....eu>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/1] can: esd_usb: Add support for esd CAN-USB/3

On 28.07.2023 17:08:56, Frank Jungclaus wrote:
> After having applied a vast number of improvements to the existing
> CAN-USB/2 driver here now is a new attempt to add support for the esd
> CAN-USB/3 CAN FD interface.
> 
> Beside this patch there are the following to-do's left for follow-up
> patches:
> 
> * In principle, the esd CAN-USB/3 supports Transmitter Delay
> Compensation (TDC), but currently only the automatic TDC mode is
> supported by this driver. An implementation for manual TDC
> configuration will follow.
> 
> * Rework the code to no longer switch directly on the USB product IDs
> to handle different device setting for each supported USB
> device. Instead use the driver_info member within struct usb_device_id
> to hold / point to specific properties for each supported device.
> 
> * Try to switch from synchronous send usb_bulk_msg() to asynchronous
> communication by means of usb_submit_urb() where it is feasible.

Added to linux-can-next/testing.

Thanks,
Marc

-- 
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