linux-kernel - RE: [PATCH 4/8] regulator: da9055: Add DT support

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Message-ID: <2E89032DDAA8B9408CB92943514A03376B7E36B9@SW-EX-MBX02.diasemi.com>
Date:	Thu, 6 Feb 2014 12:22:13 +0000
From:	"Opensource [Adam Thomson]" <Adam.Thomson.Opensource@...semi.com>
To:	Mark Brown <broonie@...nel.org>,
	"Opensource [Adam Thomson]" <Adam.Thomson.Opensource@...semi.com>
CC:	Lee Jones <lee.jones@...aro.org>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Guenter Roeck <linux@...ck-us.net>
Subject: RE: [PATCH 4/8] regulator: da9055: Add DT support

On Thu, Feb 06, 2014 at 12:04:52PM +0000, Mark Brown wrote:

> > Used another driver as an example for this, but if there's a better method
> > then I'm happy to use it. Will have a look.
> 
> That's probably an older driver - the code was factored out at some
> point but lots of drivers don't get much love.

Yep, fair enough. Will sort it.

> What's happening here is that the MFD framework has done the lookup for
> you when passing the interrupt resource through - you should just use
> platform_get_irq_byname() and save a little code in the driver.  If it's
> behaving differently on DT and non-DT systems it seems better to figure
> out why and then make it consistent.

Is what I summised but I obviously chose the wrong direction for my fix.
Will use platform_get_irq_byname() solely, and will make sure all works on
both DT and non-DT setups. If not I'll dig further.