From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5999DE7C6E8 for ; Sat, 31 Jan 2026 20:27:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=7N4x00WabAhzbpmSnEGSvY0DpJfSjp5shw/eD3lJ22I=; b=Bj4Kk95C+msWQRAHBxASipiNcP GoW3i4JBn3is6+w+zJvORXuJ5xcedgKsxCCKbhuH076kVxwGAaqZ3UxGFvXjrEEBSR3o9VIGgqzD0 fExG91CPxpqpnLEOaRDh7Q41kqH6FkLkJ51UZmatcw5gIH7qHp+QELHFImQL3eL/4WiATRV+8/CF+ TpV7wSZjuLm1UNMqdZgCHqyW8ndWNSr1TPdvvKVSyG+VemFRZEnjeolk7FhSwAMfOp+inMCZzi1l8 J1caZOk9fS2ZMo/oMEaYoc09Q/aywQWRzW6qtpE8zGf//sdYRrqMUBQYu/ubFFfekMvD75qnV5Ype peYyBl5g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vmHYY-00000002yij-27WM; Sat, 31 Jan 2026 20:26:58 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vmHYW-00000002yiZ-0kyq for linux-mtd@lists.infradead.org; Sat, 31 Jan 2026 20:26:56 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 9129960200; Sat, 31 Jan 2026 20:26:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7411CC4CEF1; Sat, 31 Jan 2026 20:26:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769891214; bh=finr/t0IWVErbqezcZg2K/mk2l1/0gJ1JtoOL5FLY9E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hhaaQWW/Fc8RUzZY2NYOIVNeDuq6S/Gbxr25Udm1XDdfixkW/xAhac/mSMtvNVcsI wfqkVF8C8+vvVg9uRJEKCoZm3n9xGOQ7PEmuWzKt7j7UZcqlNMNO3kv0RL9VRIesAu 9Ny/UD/eSh1zV+yGmi4jtT6dpX/pDjJEXJjNnL/lLCKMuhpcWTwE6J/7Rw8+zHgW42 qhtpX8v7YFGNPOl44cKcUFGviG1m6lmKPguoHtWjrhfGvPGfNdjRU2PmFlpdsMWsQ2 3hbWo3berkkyW03HctonP2wW4z6PPhxz0okCKu9n09S34TsZircKAKHH2yXPWG/NZ0 3MCa55bhg8krw== Date: Sat, 31 Jan 2026 20:26:50 +0000 From: Conor Dooley To: Dinh Nguyen Cc: miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Khairul Anuar Romli , Rob Herring Subject: Re: [PATCH] dt-bindings: mtd: cdns,hp-nfc: Add dma-coherent property Message-ID: <20260131-pasty-dicing-4ed7799aa546@spud> References: <20260131172611.28807-1-dinguyen@kernel.org> MIME-Version: 1.0 In-Reply-To: <20260131172611.28807-1-dinguyen@kernel.org> X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5275337995761515128==" Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org --===============5275337995761515128== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="RRuFemgFGMlzCbXk" Content-Disposition: inline --RRuFemgFGMlzCbXk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jan 31, 2026 at 11:26:11AM -0600, Dinh Nguyen wrote: > From: Khairul Anuar Romli >=20 > The Cadence HP NAND Flash Controller on supports DMA transactions through > a coherent interconnect. In previous generations SoC (Stratix10 and Agile= x) > the interconnect was non-coherent, hence there is no need for dma-coherent > property to be presence. In Agilex 5, the architecture has changed. It > introduced a coherent interconnect that supports cache-coherent DMA. >=20 > Signed-off-by: Khairul Anuar Romli > Reviewed-by: Rob Herring (Arm) Why does this v1 have an ack? > Signed-off-by: Dinh Nguyen > --- > Documentation/devicetree/bindings/mtd/cdns,hp-nfc.yaml | 2 ++ > 1 file changed, 2 insertions(+) >=20 > diff --git a/Documentation/devicetree/bindings/mtd/cdns,hp-nfc.yaml b/Doc= umentation/devicetree/bindings/mtd/cdns,hp-nfc.yaml > index 73dc69cee4d8..367257a227b1 100644 > --- a/Documentation/devicetree/bindings/mtd/cdns,hp-nfc.yaml > +++ b/Documentation/devicetree/bindings/mtd/cdns,hp-nfc.yaml > @@ -40,6 +40,8 @@ properties: > dmas: > maxItems: 1 > =20 > + dma-coherent: true > + > iommus: > maxItems: 1 > =20 > --=20 > 2.42.0.411.g813d9a9188 >=20 >=20 --RRuFemgFGMlzCbXk Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaX5ligAKCRB4tDGHoIJi 0uqrAQDJqiDs2z9/vn0uTVoXXdfFJff7Y8B3koUjb48EyO0ErgEAvIy+w4bmoc85 T5+l9F4uA02AbVjF3Jj1hFON6oAokwU= =e7EK -----END PGP SIGNATURE----- --RRuFemgFGMlzCbXk-- --===============5275337995761515128== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ --===============5275337995761515128==--