linux-kernel - Re: [PATCH v2] i2c/mux: Driver for PCA9541 I2C Master Selector

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Message-ID: <1287525559.9690.309.camel@groeck-laptop>
Date:	Tue, 19 Oct 2010 14:59:19 -0700
From:	Guenter Roeck <guenter.roeck@...csson.com>
To:	Jean Delvare <khali@...ux-fr.org>
CC:	Ben Dooks <ben-linux@...ff.org>,
	Rodolfo Giometti <giometti@...ux.it>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] i2c/mux: Driver for PCA9541 I2C Master Selector

On Tue, 2010-10-19 at 17:49 -0400, Jean Delvare wrote:
> On Tue, 19 Oct 2010 13:50:53 -0700, Guenter Roeck wrote:
> > Hi Jean,
> > 
> > On Tue, 2010-10-19 at 13:06 -0400, Jean Delvare wrote:
> > [ ... ]
> > > > +
> > > > +/*
> > > > + * I2C init/probing/exit functions
> > > > + */
> > > > +static int __devinit pca9541_probe(struct i2c_client *client,
> > > > +                                const struct i2c_device_id *id)
> > > 
> > > The use of __devinit and __devexit isn't recommended for i2c drivers.
> > > If your driver is built into the kernel but the underlying i2c bus
> > > driver is build as a module, you're in trouble.
> > > 
> > I don't mind changing this, but ... the code is copied from pca954x.c,
> > which also uses __devinit and __devexit for the same functions. Wouldn't
> > that be a problem there as well ? Or am I missing something ?
> 
> You're right, this should be fixed. I take patches ;)
> 
Ok, I'll add that to my pending list.

Guenter


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