linux-kernel - Re: [PATCH v2 3/5] media: mediatek: vcodec: Read HW active status from clock

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Message-ID: <b40de764-3673-fe5c-1eba-c17e63af55f5@collabora.com>
Date:   Thu, 8 Jun 2023 09:34:07 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>
Cc:     kernel@...labora.com, Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Tiffany Lin <tiffany.lin@...iatek.com>,
        Yunfei Dong <yunfei.dong@...iatek.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v2 3/5] media: mediatek: vcodec: Read HW active status
 from clock

Il 07/06/23 22:53, Nícolas F. R. A. Prado ha scritto:
> Remove the requirement of a VDEC_SYS reg iospace. To achieve that, rely
> on the "active" clock being passed through the DT, and read its status
> during IRQ handling to check whether the HW is active.
> 
> The old behavior is still present when reg-names aren't supplied, as to
> keep backward compatibility.
> 
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

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