On 12/22/2017 02:31 PM, Faiz Abbas wrote: > From: Franklin S Cooper Jr <[email protected]> > > Various CAN or CAN-FD IP may be able to run at a faster rate than > what the transceiver the CAN node is connected to. This can lead to > unexpected errors. However, CAN transceivers typically have fixed > limitations and provide no means to discover these limitations at > runtime. Therefore, add support for a can-transceiver node that > can be reused by other CAN peripheral drivers to determine for both > CAN and CAN-FD what the max bitrate that can be used. If the user > tries to configure CAN to pass these maximum bitrates it will throw > an error.
Please add support to read the maximum bitrate via netlink. Have a look
at 12a6075cabc0 ("can: dev: add CAN interface termination API"). I think
you need to extend the following functions: can_get_size() and
can_fill_info().
Marc
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Pengutronix e.K. | Marc Kleine-Budde |
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