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Date:   Wed, 18 Jan 2023 14:09:20 +0100
From:   Wolfram Sang <wsa+renesas@sang-engineering.com>
To:     Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc:     linux-renesas-soc@vger.kernel.org,
        Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] media: renesas: vsp1: blacklist r8a7795 ES1.*
Message-ID: <Y8fvgCBbBVCqPDUZ@ninjato>
Mail-Followup-To: Wolfram Sang <wsa+renesas@sang-engineering.com>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        linux-renesas-soc@vger.kernel.org,
        Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20230118122003.132905-1-wsa+renesas@sang-engineering.com>
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> Overall, how much support do we still have upstream for H3 ES1.x, and do
> we need to keep it ? H3 ES.1x is relatively old, does someone still rely
> on it ?

SDHI also had numerous problems with H3 ES1. The agreement was: If it is
"easily" upstreamable, then we want to support ES1 as much as possible.
If it is complex and a maintenance burden, then we don't upstream it.
This is why ES1 has no HS400 support for eMMC. It would have involved
activating the SDHI sequencer which we don't use otherwise.

I copied this behaviour and think it makes sense (for upstream).


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