linux-kernel - RE: [PATCH 5/5 v9] iommu/fsl: Freescale PAMU driver and iommu implementation.

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Date:	Thu, 14 Mar 2013 21:14:52 +0000
From:	Yoder Stuart-B08248 <B08248@...escale.com>
To:	Kumar Gala <galak@...nel.crashing.org>,
	Sethi Varun-B16395 <B16395@...escale.com>
CC:	"joro@...tes.org" <joro@...tes.org>,
	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"benh@...nel.crashing.org" <benh@...nel.crashing.org>,
	Wood Scott-B07421 <B07421@...escale.com>
Subject: RE: [PATCH 5/5 v9] iommu/fsl: Freescale PAMU driver and iommu
 implementation.



> -----Original Message-----
> From: Kumar Gala [mailto:galak@...nel.crashing.org]
> Sent: Thursday, March 14, 2013 3:20 PM
> To: Sethi Varun-B16395
> Cc: joro@...tes.org; iommu@...ts.linux-foundation.org; linuxppc-dev@...ts.ozlabs.org; linux-
> kernel@...r.kernel.org; benh@...nel.crashing.org; Wood Scott-B07421; Yoder Stuart-B08248
> Subject: Re: [PATCH 5/5 v9] iommu/fsl: Freescale PAMU driver and iommu implementation.
> 
> 
> On Mar 13, 2013, at 1:49 PM, Varun Sethi wrote:
> 
> > +/*
> > + * Table of SVRs and the corresponding PORT_ID values.
> > + *
> > + * All future CoreNet-enabled SOCs will have this erratum fixed, so this table
> > + * should never need to be updated.  SVRs are guaranteed to be unique, so
> > + * there is no worry that a future SOC will inadvertently have one of these
> > + * values.
> > + */
> 
> Maybe add to the comment about what port_id represents

When you update the comment, I would also suggest identifying the specific
errata here (A-004510) so that it's easy to reference back to the specific
issue this code is fixing.

Stuart

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