linux-kernel - Re: [PATCH v9 06/15] media: mtk-jpeg: Get rid of mtk_smi_larb

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Date:   Tue, 11 Jan 2022 11:57:44 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.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>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        David Airlie <airlied@...ux.ie>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     Xia Jiang <xia.jiang@...iatek.com>,
        Dafna Hirschfeld <dafna.hirschfeld@...labora.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Will Deacon <will.deacon@....com>,
        dri-devel@...ts.freedesktop.org, yf.wang@...iatek.com,
        anthony.huang@...iatek.com, youlin.pei@...iatek.com,
        Rick Chang <rick.chang@...iatek.com>,
        Evan Green <evgreen@...omium.org>,
        Eizan Miyamoto <eizan@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        linux-arm-kernel@...ts.infradead.org, mingyuan.ma@...iatek.com,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        Philipp Zabel <p.zabel@...gutronix.de>, libo.kang@...iatek.com,
        yi.kuo@...iatek.com, linux-mediatek@...ts.infradead.org,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Tiffany Lin <tiffany.lin@...iatek.com>, anan.sun@...iatek.com,
        srv_heupstream@...iatek.com, acourbot@...omium.org,
        linux-kernel@...r.kernel.org, Tomasz Figa <tfiga@...omium.org>,
        iommu@...ts.linux-foundation.org, Daniel Vetter <daniel@...ll.ch>,
        Robin Murphy <robin.murphy@....com>
Subject: Re: [PATCH v9 06/15] media: mtk-jpeg: Get rid of mtk_smi_larb_get/put

Il 12/11/21 11:55, Yong Wu ha scritto:
> MediaTek IOMMU has already added device_link between the consumer
> and smi-larb device. If the jpg device call the pm_runtime_get_sync,
> the smi-larb's pm_runtime_get_sync also be called automatically.
> 
> After removing the larb_get operations, then mtk_jpeg_clk_init is
> also unnecessary. Remove it too.
> 
> CC: Rick Chang <rick.chang@...iatek.com>
> CC: Xia Jiang <xia.jiang@...iatek.com>
> Signed-off-by: Yong Wu <yong.wu@...iatek.com>
> Reviewed-by: Evan Green <evgreen@...omium.org>
> Acked-by: Rick Chang <rick.chang@...iatek.com>
> Reviewed-by: Dafna Hirschfeld <dafna.hirschfeld@...labora.com>
> Tested-by: Frank Wunderlich <frank-w@...lic-files.de> # BPI-R2/MT7623

Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>