linux-kernel - Re: [patch 4/4] MFD: Change mfd platform device usage to wrapper platform_device

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Message-ID: <20080711214103.GB2561@sortiz.org>
Date:	Fri, 11 Jul 2008 23:41:05 +0200
From:	Samuel Ortiz <sameo@...nedhand.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Dmitry <dbaryshkov@...il.com>, linux-kernel@...r.kernel.org,
	Ben Dooks <ben-linux@...ff.org>,
	linux-arm-kernel@...ts.arm.linux.org.uk
Subject: Re: [patch 4/4] MFD: Change mfd platform device usage to wrapper
	platform_device

On Wed, Jul 09, 2008 at 10:03:14PM +0100, Russell King - ARM Linux wrote:
> On Wed, Jul 09, 2008 at 03:52:08PM +0400, Dmitry wrote:
> > 2008/7/9 ian <spyro@....com>:
> > > On Wed, 2008-07-09 at 15:15 +0400, Dmitry wrote:
> > >> NAK.
> > >> 0) It was discussed yesterday on the list and the decision was to go
> > >> in a different way.
> > >
> > > It was?
> > >
> > > I prefer the wrapped way personally...
> > 
> > In any case IMO it's better to call platform_device_register() rather than
> >  device_initialise()/platform_device_add().
> > 
> > Samuel? Russell?
> 
> WTF???  That's just completely wrong - assuming the internals of how the
> platform device alloc API works...
> 
> What it's clear from my *brief* read of this thread is that the MFD
> support doesn't seem to be ready for mainline yet - there's clearly issues
> here that need further work.
I think the main issue at the moment is that it's not passing generic
platform data if we ever want to use an existing driver as a cell driver.
I'd say this is more of a lack of feature rather than broken code, so please
dont drop the mfd-core patch.

Cheers,
Samuel.

> Given that, and where we are (there's maybe two of *my* days left until
> the merge window opens) I'm *very* tempted to drop the MFD support out
> of my tree for this merge window - which basically means removing
> 5127/1, 5128/1 and 5129/1.
> 
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