linux-kernel - Re: [PATCH 10/13] memory: mtk-smi: Get rid of mtk_smi_larb

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Message-ID: <CAE=gft4_D=vtM_cbrQGKz8XwHUF_JR3A7uoJ93OsiLBmvW9L-Q@mail.gmail.com>
Date:   Mon, 25 Feb 2019 15:56:10 -0800
From:   Evan Green <evgreen@...omium.org>
To:     Yong Wu <yong.wu@...iatek.com>
Cc:     Joerg Roedel <joro@...tes.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        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, Arnd Bergmann <arnd@...db.de>,
        yingjoe.chen@...iatek.com, youlin.pei@...iatek.com,
        Nicolas Boichat <drinkcat@...omium.org>
Subject: Re: [PATCH 10/13] memory: mtk-smi: Get rid of mtk_smi_larb_get/put

On Mon, Dec 31, 2018 at 8:53 PM Yong Wu <yong.wu@...iatek.com> wrote:
>
> After adding device_link between the iommu consumer and smi-larb,
> the pm_runtime_get(_sync) of smi-larb and smi-common will be called
> automatically. we can get rid of mtk_smi_larb_get/put.
>
> CC: Matthias Brugger <matthias.bgg@...il.com>
> Signed-off-by: Yong Wu <yong.wu@...iatek.com>

It's possible that there's so little left in mediatek/smi.h that it
could be deleted entirely and its last remaining bits absorbed into
other locations. But maybe it's nice to keep those last little bits
used by mtk-smi.c away from the iommu definitions. So it seems fine
as-is to me.

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