Re: [PATCH] i2c: virtual i2c adapter support.

From: Rodolfo Giometti <giometti-AVVDYK/kqiJWk0Htik3J/w@public.gmane.org>
To: Peter Korsgaard <jacmet-OfajU3CKLf1/SzgSGea1oA@public.gmane.org>
Cc: Ben Dooks <ben-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>,
	i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org,
	Kumar Gala
	<galak-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH] i2c: virtual i2c adapter support.
Date: Sun, 22 Jun 2008 14:50:10 +0200	[thread overview]
Message-ID: <20080622125010.GP10695@enneenne.com> (raw)
In-Reply-To: <8763s1spuw.fsf-uXGAPMMVk8amE9MCos8gUmSdvHPH+/yF@public.gmane.org>

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On Sun, Jun 22, 2008 at 12:53:11PM +0200, Peter Korsgaard wrote:
> >>>>> "Rodolfo" == Rodolfo Giometti <giometti-AVVDYK/kqiJWk0Htik3J/w@public.gmane.org> writes:
> 
>  Rodolfo> Maybe if you provide a littke code I may understand exactly
>  Rodolfo> what you mean. ;)
> 
> But I did?!

I mean the code that shows how you wish adding your i2c mux by using
i2c_add_virt_adapter(). :)

However, we also should make attention at i2c_del_virt_adapter() which
must call (new) i2c_del_adapter_nolock() since the core_lock is hold
by i2c_del_driver() when the mux is an i2c device.

If you define a virtual adapter as a non-i2c device I suppose we
should use the lock...

Ciao,

Rodolfo

-- 

GNU/Linux Solutions                  e-mail: giometti-AVVDYK/kqiJWk0Htik3J/w@public.gmane.org
Linux Device Driver                          giometti-k2GhghHVRtY@public.gmane.org
Embedded Systems                     phone:  +39 349 2432127
UNIX programming                     skype:  rodolfo.giometti

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