linux-kernel - Re: [RFC PATCH v3] edac: synps: Added EDAC support for zynq ddr ecc controller

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Date:	Thu, 31 Jul 2014 15:17:02 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Michal Simek <michal.simek@...inx.com>
Cc:	Punnaiah Choudary Kalluri <punnaiah.choudary.kalluri@...inx.com>,
	"dougthompson@...ssion.com" <dougthompson@...ssion.com>,
	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	"pawel.moll@....com" <pawel.moll@....com>,
	"mark.rutland@....com" <mark.rutland@....com>,
	"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Rob Landley <rob@...dley.net>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Punnaiah Choudary <kpc528@...il.com>,
	Anirudha Sarangi <anirudh@...inx.com>,
	Srikanth Vemula <svemula@...inx.com>
Subject: Re: [RFC PATCH v3] edac: synps: Added EDAC support for zynq ddr ecc
 controller

On Thu, Jul 31, 2014 at 02:13:48PM +0200, Michal Simek wrote:
> Mixing two drivers in the one file is not a good idea because with
> more memory controllers it is just a mess and you are not able to
> cover all cases.

Why is it a mess?

> If this is just about providing uniq number we can easily extend
> binding and provide that uniq value. That's remind me solution with
> edac_mc_get_id() can caused that you won't have exact number all the
> time - depends on driver loading (deferred probing too).

-ENOPARSE for this sentence.

> One option via DT can be via aliases where you can easily specify
> order. But all of these issues can be solved in follow-up patch.

Whatever you do, it should be designed cleanly and not introduce some
homegrown solution.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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