From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Subject: Re: [PATCH] i2c: Warn on deprecated binding model use Date: Tue, 13 Jan 2009 15:44:29 +0000 Message-ID: <20090113154428.GK8032@fluff.org.uk> References: <20090113144044.5b6fb53a@hyperion.delvare> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20090113144044.5b6fb53a-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jean Delvare Cc: Linux I2C List-Id: linux-i2c@vger.kernel.org On Tue, Jan 13, 2009 at 02:40:44PM +0100, Jean Delvare wrote: > Let the kernel developers know that i2c_attach_client() and > i2c_detach_client() are deprecated and should no longer be used. > Drivers using these should be converted to the standard device > driver binding model (probe and remove methods.) > > Signed-off-by: Jean Delvare This is a good idea, we should also signal a kernel date when the old probe method will be removed (IMHO, the next merge window). Acked-by: Ben Dooks > --- > This is only for linux-next for now, in the hope that it will speed up > the conversion of the remaining legacy i2c drivers. > > include/linux/i2c.h | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > --- linux-2.6.29-rc1.orig/include/linux/i2c.h 2009-01-12 18:43:41.000000000 +0100 > +++ linux-2.6.29-rc1/include/linux/i2c.h 2009-01-13 14:37:27.000000000 +0100 > @@ -151,7 +151,7 @@ struct i2c_driver { > * has been dynamically allocated by the driver in the function above, > * it must be freed here. (LEGACY I2C DRIVERS ONLY) > */ > - int (*detach_client)(struct i2c_client *); > + int (*detach_client)(struct i2c_client *) __deprecated; > > /* Standard driver model interfaces, for "new style" i2c drivers. > * With the driver model, device enumeration is NEVER done by drivers; > @@ -429,8 +429,10 @@ static inline int i2c_add_driver(struct > return i2c_register_driver(THIS_MODULE, driver); > } > > -extern int i2c_attach_client(struct i2c_client *); > -extern int i2c_detach_client(struct i2c_client *); > +/* These are deprecated, your driver should use the standard .probe() > + * and .remove() methods instead. */ > +extern int __deprecated i2c_attach_client(struct i2c_client *); > +extern int __deprecated i2c_detach_client(struct i2c_client *); > > extern struct i2c_client *i2c_use_client(struct i2c_client *client); > extern void i2c_release_client(struct i2c_client *client); > > > -- > Jean Delvare > -- > To unsubscribe from this list: send the line "unsubscribe linux-i2c" in > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Ben (ben-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org, http://www.fluff.org/) 'a smiley only costs 4 bytes'