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
Date: Wed, 29 Apr 2026 09:23:08 +0200 [thread overview]
Message-ID: <87qznyxmar.ffs@tglx> (raw)
In-Reply-To: <20260402162212.12016-2-john.madieu.xa@bp.renesas.com>
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>
next prev parent reply other threads:[~2026-04-29 7:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-02 16:22 [PATCh v3 0/2] Add DMA ACK signal routing for RZ/V2H family John Madieu
2026-04-02 16:22 ` [PATCh v3 1/2] irqchip/renesas-rzv2h: Add DMA ACK signal routing support John Madieu
2026-04-29 7:23 ` Thomas Gleixner [this message]
2026-04-02 16:22 ` [PATCh v3 2/2] dma: sh: rz-dmac: " John Madieu
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