[PATCH v4 2/3] ARM: mvebu: Add quirk for i2c

Gregory CLEMENT gregory.clement at free-electrons.com
Wed Jan 8 09:10:29 EST 2014


On 08/01/2014 14:45, Arnd Bergmann wrote:
> On Wednesday 08 January 2014 14:39:59 Wolfram Sang wrote:
>>>>>>> However, when I first read this I thought it should be a -a0 specific
>>>>>>> compatible string, not a 'offload-broken' property - any idea what the
>>>>>>> DT consensus is here? I've seen both approach in use ..
>>>>>>
>>>>>> I prefer the replacement of the compatible string. If it should really
>>>>>> be a seperate property, then it should be a vendor specific property. It
>>>>>> is not generic, at all.
>>>>>
>>>>> Something like "marvell,offload-broken" would be acceptable?
>>>>
>>>> A tad more, yes. Still, since this is a feature/quirk of the IP core
>>>> revision, it should be deduced from the compatible property IMO. It
>>>> cannot be configured anywhere, so it doesn't change on board level.
>>>
>>> So you would prefer using the "marvell,mv78230-a0-i2c" comaptible string and
>>> updating it with the follwing piece of code?
>>
>> This is the approach I favour, yes. Can't say much about the
>> implementation. Looks OK, but dunno if this is minimal...
>>
> 
> I would prefer the separate property in this case, but only because it's
> easier to add in the quirk than to change the compatible string, but it's
> not a strong preference and I don't mind getting overruled if you all
> favor the alternative.

Great, all the different part seems to be validated, I can now send the last
version.


Thanks,

Gregory

-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com



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