linux-kernel - Re: [PATCH v5 04/16] memory: mtk-smi: Add device-link between smi-larb and smi-common

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Date:   Sat, 10 Apr 2021 14:40:11 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Yong Wu <yong.wu@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Joerg Roedel <joro@...tes.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Evan Green <evgreen@...omium.org>,
        Robin Murphy <robin.murphy@....com>,
        Tomasz Figa <tfiga@...omium.org>,
        Will Deacon <will.deacon@....com>,
        linux-mediatek@...ts.infradead.org, srv_heupstream@...iatek.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux-foundation.org, youlin.pei@...iatek.com,
        Nicolas Boichat <drinkcat@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>, anan.sun@...iatek.com,
        chao.hao@...iatek.com, ming-fan.chen@...iatek.com,
        yi.kuo@...iatek.com, eizan@...omium.org, acourbot@...omium.org
Subject: Re: [PATCH v5 04/16] memory: mtk-smi: Add device-link between
 smi-larb and smi-common

On 10/04/2021 11:11, Yong Wu wrote:
> Normally, If the smi-larb HW need work, we should enable the smi-common
> HW power and clock firstly.
> This patch adds device-link between the smi-larb dev and the smi-common
> dev. then If pm_runtime_get_sync(smi-larb-dev), the pm_runtime_get_sync
> (smi-common-dev) will be called automatically.
> 
> Also, Add DL_FLAG_STATELESS to avoid the smi-common clocks be gated when
> probe.
> 
> CC: Matthias Brugger <matthias.bgg@...il.com>
> Suggested-by: Tomasz Figa <tfiga@...omium.org>
> Signed-off-by: Yong Wu <yong.wu@...iatek.com>
> ---
>  drivers/memory/mtk-smi.c | 19 ++++++++++---------
>  1 file changed, 10 insertions(+), 9 deletions(-)

I understood this is a dependency for other patches, so:
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>

If I am wrong and I can take it via memory tree, let me know.

Best regards,
Krzysztof