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

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Date:	Mon, 3 Nov 2008 19:20:06 +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>
Subject: Re: [PATCH] power_supply: only register tosa_battery driver on tosa

2008/11/3 Anton Vorontsov <avorontsov@...mvista.com>:
> On Sun, Nov 02, 2008 at 11:36:08PM +0300, Dmitry wrote:
>> 2008/10/29 Dmitry Baryshkov <dbaryshkov@...il.com>:
>> > There are already several wm97xx-battery drivers. Do register the tosa one
>> > only on tosa machines.
>> >
>> > Signed-off-by: Dmitry Baryshkov <dbaryshkov@...il.com>
>> > ---
>> >  drivers/power/tosa_battery.c |    3 +++
>> >  1 files changed, 3 insertions(+), 0 deletions(-)
>>
>> What about this patch?
>
> Sorry for the delay.
>
>> IMO it can and should be merged during 2.6.28-rc cycle.
>>
>> diff --git a/drivers/power/tosa_battery.c b/drivers/power/tosa_battery.c
>> index 2eab35a..4e52c22 100644
>> --- a/drivers/power/tosa_battery.c
>> +++ b/drivers/power/tosa_battery.c
>> @@ -469,6 +469,9 @@ static struct platform_driver tosa_bat_driver = {
>>
>>  static int __init tosa_bat_init(void)
>>  {
>> +     if (!machine_is_tosa())
>> +             return -EINVAL;
>> +
>
> I tend to reject this approach. You should rename the driver instead.
>
> I.e.
> -.driver.name    = "wm97xx-battery",
> -.driver.name    = "tosa-battery",
>
> And make sure that this won't break users of that driver (though
> I don't see any).

The wm97xx-battery device is registered by
drivers/input/toucscreen/wm97xx-core.c

>
>>       return platform_driver_register(&tosa_bat_driver);
>>  }
>
> Thanks,
>
> --
> Anton Vorontsov
> email: cbouatmailru@...il.com
> irc://irc.freenode.net/bd2
>



-- 
With best wishes
Dmitry
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