linux-kernel - Re: [PATCH v3 0/2] Enable 64-bit polling mode for R-Car Gen3 and RZ/G2+ family

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Message-ID: <aMF43hiNrlosrFUQ@shikoro>
Date: Wed, 10 Sep 2025 15:10:54 +0200
From: wsa+renesas <wsa+renesas@...g-engineering.com>
To: Biju Das <biju.das.jz@...renesas.com>
Cc: geert <geert@...ux-m68k.org>, "biju.das.au" <biju.das.au@...il.com>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	"linux-renesas-soc@...r.kernel.org" <linux-renesas-soc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v3 0/2] Enable 64-bit polling mode for R-Car Gen3 and
 RZ/G2+ family

Hi,

> I guess we need to add support for 64-bit polling for r8a77970(R-Car V3M) and RZ/A2
> and 32-bit polling for RZ/A1.

From a glimpse, A1 is the only one already using 32 bit ports? I'd think
we can enable that for R-Car Gen2, too. Probably Gen1 as well, but I
have no SDHI docs for that one.

Happy hacking,

   Wolfram


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