linux-kernel - Re: [PATCH 8/9] pinctrl: abx500: Rejiggle platform data and DT initialisation

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Date:	Tue, 14 May 2013 09:47:56 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Linus WALLEIJ <linus.walleij@...ricsson.com>,
	Srinidhi KASAGAR <srinidhi.kasagar@...ricsson.com>
Subject: Re: [PATCH 8/9] pinctrl: abx500: Rejiggle platform data and DT
 initialisation

On Tue, 14 May 2013, Linus Walleij wrote:

> On Wed, May 8, 2013 at 3:29 PM, Lee Jones <lee.jones@...aro.org> wrote:
> 
> > A pointer to GPIO platform data is always passed to the driver now, so
> > there's little point in checking for 'pdata' and executing the DT case if
> > it's not there. The difference between booting with DT and !DT is when
> > booting with DT, plat_id is not populated. Thus, in the DT case we have
> > to use a DT match table in order to find out which platform we're
> > executing on. So, we're changing the semantics here to only use the
> > match table if no plat_id is supplied though platform data.
> >
> > Signed-off-by: Lee Jones <lee.jones@...aro.org>
> 
> Is this really included in the [0/9] fire alarm wrapper statement
> "Important ux500 fixups due for the v3.10 -rc:s"?
> 
> It seems more like a random refactoring to me.
> 
> The commit message fails to specify which regression this
> is fixing, like if it's causing an oops or so.
> 
> So I've tentatively applied it to the pinctrl devel branch for
> v3.11 unless something comes up...

Perhaps the commit message is a bit weak, but yes, it _needs_ to go
into v3.10, or this driver will be _broken_ when we boot with DT.

Please apply this to your -fixes branch.

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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