[PATCH v3 0/5] i2c: i2c-mpc: make I2C bus speed configurable

Grant Likely grant.likely at secretlab.ca
Mon Apr 20 23:26:14 EST 2009


On Mon, Apr 20, 2009 at 3:01 AM, Wolfgang Grandegger <wg at grandegger.com> wrote:
> Hi Ben,
>
> Wolfgang Grandegger wrote:
>> Wolfgang Grandegger wrote:
>>> Kumar Gala wrote:
>>>> On Apr 8, 2009, at 2:25 AM, Wolfgang Grandegger wrote:
>>>>
>>>>>> So I'm a bit concerned with the output we now get:
>>>>>>
>>>>>> mpc-i2c fffe03000.i2c: clock 0 Hz (dfsrr=16 fdr=49)
>>>>>>
>>>>>> why 0? is that right?
>>>>> This is the backward compatibility mode using hard-coded FDR values. The
>>>>> output is missleading, I agree.
>>>>>
>>>>> Wolfgang.
>>>> Can the output be fixed.  0 Hz seemed bad to me.
>>> Of course. No info message will be printed for the legacy case
>>> like it was with the old driver version. I just realized a bug in the
>>> MPC52xx part. Will send patches tomorrow, after some more thorough testing.
>>
>> The patch below fixes both issues. Ben, could you please apply it. Sorry for
>> the inconvenience caused.
>>
>> Thanks,
>>
>> Wolfgang.
>>
>>
>>
>> [PATCH] i2c: i2c-mpc: bug fix for MPC52xx clock setting and printout
>>
>> The clock setting did not work for the MPC52xx due to a stupid bug.
>> Furthermore, the dev info output "clock=0" for old device trees was
>> misleading. This patch fixes both issues.
>>
>> Signed-off-by: Wolfgang Grandegger <wg at grandegger.com>
>
> Could you please apply this bug-fix for the MPC driver for 2.6.30.

Acked-by: Grant Likely <grant.likely at secretlab.ca>

>
>  http://marc.info/?l=linux-i2c&m=123927120910293&w=2
>
> Thanks,
>
> Wolfgang.
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>



-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.



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