linux-kernel - Re: [RFC PATCH] mfd: pm8x41: Naive function devices registration

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Message-ID: <1398435350.4724.244.camel@iivanov-dev>
Date:	Fri, 25 Apr 2014 17:15:50 +0300
From:	"Ivan T. Ivanov" <iivanov@...sol.com>
To:	Rob Herring <robherring2@...il.com>
Cc:	Courtney Cavin <courtney.cavin@...ymobile.com>,
	Josh Cartwright <joshc@...eaurora.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-arm-msm <linux-arm-msm@...r.kernel.org>
Subject: Re: [RFC PATCH] mfd: pm8x41: Naive function devices registration

On Fri, 2014-04-25 at 08:43 -0500, Rob Herring wrote:
> On Fri, Apr 25, 2014 at 8:29 AM, Ivan T. Ivanov <iivanov@...sol.com> wrote:
> > On Fri, 2014-04-25 at 08:00 -0500, Rob Herring wrote:
> >> On Fri, Apr 25, 2014 at 7:32 AM, Ivan T. Ivanov <iivanov@...sol.com> wrote:
> >> > From: "Ivan T. Ivanov" <iivanov@...sol.com>
> >> >
> >> > Currently functions that exist in both the controller at the
> >> > same address offset can not be specified with the same names.
> >> >
> >> > Adding Unique Slave ID device address to prefix function
> >> > device names fixes this.
> >> >
> >> > Function devices are SPMI devices, so register them on
> >> > SPMI bus.
> >> >
> >> > Signed-off-by: Ivan T. Ivanov <iivanov@...sol.com>
> >> > ---
> >> >  drivers/mfd/pm8x41.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++----
> >>
> >> No, this should be fixed in the core, not the driver.
> >
> > I think that at core level they are no issues.
> 
> By core, I mean the device naming conventions used by the DT platform
> device code. There is a problem and it should be handled.
> 
> As I mentioned in the other thread, either we should not use the
> address on non-translatable addresses like this or append the parent
> address.

Ok, I see.

Regards,
Ivan

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