linux-kernel - Re: [PATCH] power_supply: only register tosa

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Date:	Mon, 3 Nov 2008 21:14:46 +0300
From:	Dmitry <dbaryshkov@...il.com>
To:	avorontsov@...mvista.com
Cc:	linux-kernel@...r.kernel.org, cbou@...l.ru,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Mark Brown" <broonie@...nsource.wolfsonmicro.com>
Subject: Re: [PATCH] power_supply: only register tosa_battery driver on tosa

2008/11/3 Anton Vorontsov <avorontsov@...mvista.com>:
> On Mon, Nov 03, 2008 at 08:09:14PM +0300, Dmitry wrote:
> [...]
>> >> Yup.
>> >> I see few ways to resolve this:
>> >> * write better wm97xx interface. Dunno if that is feasible or possible.
>> >>   One of the possible solutions is to pass battery and ts device names
>> >>   and data from within board data via ac97 layer to wm97xx-core. This
>> >>   will provide several benefits (e.g. then we can drop lots of parameters
>> >>   from wm97xx-core, which are really board parameters).
>> >
>> > That would be great indeed. But for now, just don't compile the two
>> > drivers on the tosa platform. No need for machine_is_*() hacks...
>>
>> That is a bit strange requirement. During several past months there was
>> a lot of efforts put into supporting multi-machine PXA kernel images.
>
> Yes, I know this.
>
> But you're implementing hacks instead of fixing the problem.
>
> Btw, you inserted the machine_is() into the tosa driver, but
> wm97xx driver registers unconditionally. That could be a problem
> when wm97xx loads first, and then you try to load the tosa_battery
> module on tosa machine.
>
> Let's insert machine_is() hack into the wm97xx driver as well?

That's why I suggested moving driver registration into _set_pdata()
function in that driver.

>
> --
> Anton Vorontsov
> email: cbouatmailru@...il.com
> irc://irc.freenode.net/bd2
>



-- 
With best wishes
Dmitry
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