problems on CAN bitrate

[Stefan Bader]

On 30.05.2011 15:27, Stefan Bader wrote:
> 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
> 
Trying to push up the thread. Ok, there was not really feedback by the guy. But
maybe it is a riskless enough thing. At least for Oneiric, which still has it
not set.

-Stefan