Re: [PATCH 3.18+] Tag current CAN FD controllers as non-ISO

[Marc Kleine-Budde <mkl@pengutronix.de>]

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On 01/05/2015 07:47 PM, Oliver Hartkopp wrote:
> During the CAN FD standardization process within the ISO it turned out that
> the failure detection capability has to be improved.
> 
> The CAN in Automation organization (CiA) defined the already implemented CAN
> FD controllers as 'non-ISO' and the upcoming improved CAN FD controllers as
> 'ISO' compliant. See at http://www.can-cia.com/index.php?id=1937
> 
> Finally there will be three types of CAN FD controllers in the future:
> 
> 1. ISO compliant (fixed)
> 2. non-ISO compliant (fixed, like the M_CAN IP v3.0.1 in m_can.c)
> 3. ISO/non-ISO CAN FD controllers (switchable, like the PEAK USB FD)
> 
> So the current M_CAN driver for the M_CAN IP v3.0.1 has to expose its non-ISO
> implementation by setting the CAN_CTRLMODE_FD_NON_ISO ctrlmode at startup.
> As this bit cannot be switched at configuration time CAN_CTRLMODE_FD_NON_ISO
> must not be set in ctrlmode_supported of the current M_CAN driver.
> 
> Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>

Applied to can/master and added stable on Cc.

thanks,
Marc

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