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

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Message-Id: <20230728150857.2374886-1-frank.jungclaus@esd.eu>
Date:   Fri, 28 Jul 2023 17:08:56 +0200
From:   Frank Jungclaus <frank.jungclaus@....eu>
To:     linux-can@...r.kernel.org, Marc Kleine-Budde <mkl@...gutronix.de>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>
Cc:     Stefan Mätje <stefan.maetje@....eu>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Frank Jungclaus <frank.jungclaus@....eu>
Subject: [PATCH 0/1] can: esd_usb: Add support for esd CAN-USB/3

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.

Frank Jungclaus (1):
  can: esd_usb: Add support for esd CAN-USB/3

 drivers/net/can/usb/esd_usb.c | 275 ++++++++++++++++++++++++++++++----
 1 file changed, 244 insertions(+), 31 deletions(-)

base-commit: 68af900072c157c0cdce0256968edd15067e1e5a
-- 
2.25.1