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From: Thomas Gleixner <tglx@kernel.org>
To: John Madieu <john.madieu.xa@bp.renesas.com>, Vinod Koul
 <vkoul@kernel.org>, Frank Li <Frank.Li@kernel.org>, Geert Uytterhoeven
 <geert+renesas@glider.be>, Fabrizio Castro
 <fabrizio.castro.jz@renesas.com>
Cc: Claudiu Beznea <claudiu.beznea@tuxon.dev>, Biju Das
 <biju.das.jz@bp.renesas.com>, Lad Prabhakar
 <prabhakar.mahadev-lad.rj@bp.renesas.com>, Cosmin Tanislav
 <cosmin-gabriel.tanislav.xa@renesas.com>, john.madieu@gmail.com,
 linux-renesas-soc@vger.kernel.org, dmaengine@vger.kernel.org,
 linux-kernel@vger.kernel.org, John Madieu <john.madieu.xa@bp.renesas.com>
Subject: Re: [PATCh v3 1/2] irqchip/renesas-rzv2h: Add DMA ACK signal
 routing support
In-Reply-To: <20260402162212.12016-2-john.madieu.xa@bp.renesas.com>
References: <20260402162212.12016-1-john.madieu.xa@bp.renesas.com>
 <20260402162212.12016-2-john.madieu.xa@bp.renesas.com>
Date: Wed, 29 Apr 2026 09:23:08 +0200
Message-ID: <87qznyxmar.ffs@tglx>
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On Thu, Apr 02 2026 at 18:22, John Madieu wrote:
> Some peripherals on RZ/G3E SoCs (SSIU, SPDIF, SCU/SRC, DVC) require
> explicit ACK signal routing through the ICU via the ICU_DMACKSELk
> registers for level-based DMA handshaking.
>
> Add rzv2h_icu_register_dma_ack() to configure ICU_DMACKSELk, routing
> a DMAC channel's ACK signal to the specified peripheral.
>
> Signed-off-by: John Madieu <john.madieu.xa@bp.renesas.com>

Assuming this goes through the DMA tree:

Acked-by: Thomas Gleixner <tglx@kernel.org>