Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines

From: Jean Delvare
Date: Wed Jan 04 2017 - 04:45:20 EST


On Wed, 28 Dec 2016 15:02:52 +0100, Wolfram Sang wrote:
> On Tue, Dec 27, 2016 at 02:51:01PM +0100, Pali RohÃr wrote:
> > i2c_new_device() with lis3lv02d for i801 i2c bus needs to be called
> > after initializing i2c-i801 bus driver.
> >
> > I have no idea how to do it (properly) outside of i2c-i801.c file.
>
> I once used bus_notifiers to achieve something similar. You could check
> arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c to see an action
> triggered once a client device got added, but you could act on another
> action like BUS_NOTIFY_BOUND_DRIVER. I used exactly that, too, somewhen
> somewhere. Haven't checked if that helps here, too. And since we have
> a
> precedence (Fujitsu case), I'll leave it to Jean who is the maintainer
> of this driver.

I don't have a strong opinion on the matter, whatever works is fine
with me.

--
Jean Delvare
SUSE L3 Support