linux-kernel - Re: [PATCH v4 5/8] ARM: l2x0: add marvell,ecc-enable property for aurora

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Message-ID: <20180119212836.r76seqe5dx6xim3w@rob-hp-laptop>
Date:   Fri, 19 Jan 2018 15:28:36 -0600
From:   Rob Herring <robh@...nel.org>
To:     Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc:     linux@...linux.org.uk, bp@...en8.de, jlu@...gutronix.de,
        thomas.petazzoni@...e-electrons.com, kernel@...gutronix.de,
        gregory.clement@...e-electrons.com,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 5/8] ARM: l2x0: add marvell,ecc-enable property for
 aurora

On Fri, Jan 12, 2018 at 02:27:52PM +1300, Chris Packham wrote:
> The aurora cache on the Marvell Armada-XP SoC supports ECC protection
> for the L2 data arrays. Add a "marvell,ecc-enable" device tree property
> which can be used to enable this.
> 
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
> [jlu@...gutronix.de: use aurora specific define AURORA_ACR_ECC_EN]
> Signed-off-by: Jan Luebbe <jlu@...gutronix.de>
> ---
>  Documentation/devicetree/bindings/arm/l2c2x0.txt | 2 ++
>  arch/arm/mm/cache-l2x0.c                         | 7 +++++++
>  2 files changed, 9 insertions(+)

The Calxeda PL310 has ECC too so maybe shouldn't have a vendor prefix, 
but I don't think anyone will ever care to change it at this point.

Reviewed-by: Rob Herring <robh@...nel.org>