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Date:   Thu, 11 Apr 2019 10:35:18 +0200
From:   Simon Horman <>
To:     Geert Uytterhoeven <>
Cc:     Joerg Roedel <>,
        Magnus Damm <>,
        Laurent Pinchart <>,,,
Subject: Re: [PATCH v2 4/6] iommu/ipmmu-vmsa: Move num_utlbs to SoC-specific

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 <>
> > Reviewed-by: Laurent Pinchart <>
> 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

Reviewed-by: Simon Horman <>

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