problems on CAN bitrate

[Stefan Bader]

On 30.05.2011 14:25, Pete Graner wrote:
> On 05/30/2011 05:04 AM, wadjet wrote:
>> Hello,
>>
>> I don't know where to go with my specific kernel-configuration problem,
>>
>> I'm using ubuntu 11.04 with a CAN network, but couldn't  use my
>> interfaces anymore after the upgrade to 11.04.
>>
>> Help of a colleague  Kurt van Dijck (active in CAN integration in the
>> kernel) showed the bittiming calculation was not  compiled into this
>> kernel 2.6.38.
>>
>>   CONFIG_CAN_CALC_BITTIMING=n
>>
>> He had to recompile the kernel to activate this.
>>
>> Is it possible to include this bittiming on new releases of the kernel?
>>
>> Regards,
>>
>> Walter Verbruggen
>
> cc'd the kernel-team mailing list as this is the best place to ask these
> type of questions so there can be a full discussion.
>
> Thanks
>
> ~pete

This seems to be only affecting the can driver itself and is default y and does 
not seem to be experimental at a glance. So it should be fairly safe. But I 
wonder from where the upgrade was made as this seems to have been introduced in 
2.6.31 and ever since then been not set in our config.

-Stefan