linux-kernel - Re: [PATCH v2 4/6] iommu/ipmmu-vmsa: Move num

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Message-ID: <20190411083518.enlytqnwukzgwslz@verge.net.au>
Date:   Thu, 11 Apr 2019 10:35:18 +0200
From:   Simon Horman <horms@...ge.net.au>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Joerg Roedel <joro@...tes.org>,
        Magnus Damm <damm+renesas@...nsource.se>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        iommu@...ts.linux-foundation.org,
        linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/6] iommu/ipmmu-vmsa: Move num_utlbs to SoC-specific
 features

On Thu, Apr 11, 2019 at 10:32:40AM +0200, Simon Horman wrote:
> On Wed, Apr 03, 2019 at 08:21:46PM +0200, Geert Uytterhoeven wrote:
> > The maximum number of micro-TLBs per IPMMU instance is not fixed, but
> > depends on the SoC type.  Hence move it from struct ipmmu_vmsa_device to
> > struct ipmmu_features, and set up the correct value for both R-Car Gen2
> > and Gen3 SoCs.
> > 
> > Note that currently no code uses this value.
> > 
> > Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> > Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> 
> Are there any plans to use num_utlbs in the driver or anywhere else in the
> kernel? If not, perhaps it should be removed?

I see that I spoke too soon and it is used by a patch later on in this
series.

Reviewed-by: Simon Horman <horms+renesas@...ge.net.au>