[PATCH 08/12] mpc5121: Added I2C support.

Wolfgang Grandegger wg at grandegger.com
Thu May 7 16:36:50 EST 2009


Grant Likely wrote:
> On Wed, May 6, 2009 at 4:51 PM, Grant Likely <grant.likely at secretlab.ca> wrote:
>> On Wed, May 6, 2009 at 4:19 PM, Wolfgang Denk <wd at denx.de> wrote:
>>> Dear Grant Likely,
>>>
>>> In message <fa686aa40905061401k319313c5q89fd3e245c30808f at mail.gmail.com> you wrote:
>>>> On Wed, May 6, 2009 at 2:15 PM, Wolfgang Denk <wd at denx.de> wrote:
>>>>> From: Piotr Ziecik <kosmo at semihalf.com>
>>>>>
>>>>> - Enabled I2C interrupts on MPC5121.
>>>>> - Updated Kconfig for i2c-mpc driver.
>>>> I think this workaround belongs in the driver itself.
>>> Sorry, I don't get it. Which workaround? What exactly should I change?
>> Sorry, I misread the patch.  Never mind.
> 
> Actually, on 3rd reading, I think my first impression was correct
> (even if I was wrong about it being a workaround).  This code in
> mpc512x_init_i2c() is only relevant for i2c busses (it isn't shared
> with any other drivers).  Therefore, it belongs with the i2c bus
> itself.  It does not belong in platform code.

Right. Furthermore, the i2c-mpc.c should be extened to support bus speed
setting for the MPC512x, which has been merged recently (see commit id
f2bd5efe).

Wolfgang.




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