RE: [RFC V1] mfd: da9063: Add support for AD silicon variant

From: Opensource [Steve Twiss]
Date: Thu Jul 17 2014 - 04:41:26 EST



On 16 July 2014 18:27 Alessandro Zummo wrote:

>From: Alessandro Zummo [mailto:a.zummo@xxxxxxxxxxxx]
>Sent: 16 July 2014 18:27
>To: Opensource [Steve Twiss]
>Cc: Andrew Morton; LINUX-KERNEL; Lee Jones; RTC-LINUX; Samuel Ortiz; David
>Dajun Chen; Mark Brown; Philipp Zabel; Support Opensource
>Subject: Re: [RFC V1] mfd: da9063: Add support for AD silicon variant
>
>On Wed, 16 Jul 2014 17:39:20 +0100
>"Opensource [Steve Twiss]" <stwiss.opensource@xxxxxxxxxxx> wrote:
>
>> The DA9063 probe function has been modified to use the compile time
>> directive CONFIG_MFD_DA9063_AD. This configuration option will allow
>> AD support only if this boolean is true, otherwise it will default to
>> support BB (or greater) silicon.
>
> any particular reason for not supporting both at the same time,
> either with a module option, platform data, dt, etc ?

Hi Alessandro,

If run-time distinction between AD and BB is used this makes the change
bigger, more complicated and difficult to understand.

These problems were discussed in a previous posting back in February
https://lkml.org/lkml/2014/2/16/29

This change is just a supporting option for people who have the older AD silicon
in their hardware.

Regards,
Steve

>
>--
>
> Best regards,
>
> Alessandro Zummo,
> Tower Technologies - Torino, Italy
>
> http://www.towertech.it

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