[PATCH] i2c: change the id to let the i2c device work

Bo Shen voice.shen at atmel.com
Fri Oct 12 05:02:49 EDT 2012


On 10/12/2012 16:21, Mark Brown wrote:
> On Fri, Oct 12, 2012 at 10:05:21AM +0200, Jean Delvare wrote:
>
>> Ah sorry I misread Mark's request. i2c-gpio will turn the platform
>> device ID into bus number, it can indeed not be forced through platform
>> data. But I don't think any other i2c bus driver allows this either. I
>> don't quite see the problem with setting a platform device ID even if
>> there's only one instance of the platform device. I have many examples
>> of this on my machine:
>> Fixed MDIO bus.0
>> coretemp.0
>> vesafb.0
>
> This is generally bad style; if it's required by APIs we really should
> be fixing the APIs to remove this sort of dependency.  Aside from the
> ugliness it tends to be fragile.
>
>> So please just set the platform device ID to 0 (or whatever i2c adapter
>> number you want) and your problem is solved. As you just proposed
>> initially, actually :)
>
> Though it *does* need a comprehensible commit message so people can
> understand what on earth the change is intended to do.

I will update the commit message and send v2 patch.
Thanks

BR,
Bo Shen




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