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Message-ID: <76366b180802101532k35a56e89g4c498e30834461f8@mail.gmail.com>
Date:	Sun, 10 Feb 2008 18:32:49 -0500
From:	"Andrew Paprocki" <andrew@...iboo.com>
To:	"Alan Cox" <alan@...rguk.ukuu.org.uk>
Cc:	linux-kernel@...r.kernel.org, "Jorge Boncompte" <jorge@...2.net>,
	"Jean Delvare" <khali@...ux-fr.org>
Subject: Re: I/O collisions w/ hwmon/it87.c and watchdog/it8712f_wdt.c? (Super I/O chips in general..)

Does it make sense to use the drivers/mfd directory for Super I/O
chips then? Is there any problem with having other hwmon, watchdog,
etc depend on drivers/mfd? Should this kind of setup for platform
devices be documented in the driver-model?

-Andrew

On Feb 10, 2008 6:05 PM, Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
> > Since these chips touch many different parts of traditionally separate
> > driver areas, how should the drivers be structured so that they can
> > all talk to the chip? Should the low level communications routines for
> > the chip live in a library which all the drivers could use?
>
> Probably yes. And that if possible should manage all the locking. Thats
> roughly how the majority of drivers do it. Some export the lock from base
> code and inline the accessors depending how complex it is.
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