linux-kernel - Re: [PATCH v6 09/22] iommu/mediatek: Refine protect memory definition

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Message-ID: <CAE=gft5UxHBwQ_fm+MD-x-yX8fUd5miFzzMnc8nmet+8JvqXKA@mail.gmail.com>
Date:   Tue, 19 Feb 2019 15:30:27 -0800
From:   Evan Green <evgreen@...omium.org>
To:     Yong Wu <yong.wu@...iatek.com>
Cc:     Joerg Roedel <joro@...tes.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Robin Murphy <robin.murphy@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Tomasz Figa <tfiga@...gle.com>,
        Will Deacon <will.deacon@....com>,
        linux-mediatek@...ts.infradead.org, srv_heupstream@...iatek.com,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux-foundation.org, yingjoe.chen@...iatek.com,
        youlin.pei@...iatek.com, Nicolas Boichat <drinkcat@...omium.org>,
        anan.sun@...iatek.com, Matthias Kaehlcke <mka@...omium.org>
Subject: Re: [PATCH v6 09/22] iommu/mediatek: Refine protect memory definition

On Sun, Feb 17, 2019 at 1:08 AM Yong Wu <yong.wu@...iatek.com> wrote:
>
> The protect memory setting is a little different in the different SoCs.
> In the register REG_MMU_CTRL_REG(0x110), the TF_PROT(translation fault
> protect) shift bit is normally 4 while it shift 5 bits only in the
> mt8173. This patch delete the complex MACRO and use a common if-else
> instead.
>
> Signed-off-by: Yong Wu <yong.wu@...iatek.com>

Reviewed-by: Evan Green <evgreen@...omium.org>