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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D4D3AC4360F for ; Fri, 5 Apr 2019 09:38:50 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 9DF8C21738 for ; Fri, 5 Apr 2019 09:38:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="PDtBRRbc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9DF8C21738 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: MIME-Version:References:In-Reply-To:Message-ID:Subject: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=sAev6CwUVu/SliQqnIFUCZBgpePHvwNU4V5o0S8EpsI=; b=PDtBRRbchndeFwOlrwfwR//Lo Ojb7Wqo3MKF6DdEVNRt/BRD1NASY3EBg4Roujn3rHw+5nBUWt9GUW2tZVYHIoVcU9r5FPwtVkk3Sw WUUCu1k3+4d/Op4/Bs2zxQ3y9hbt4eFgzcQFVfPH9a/TN5sqy+OvZ4vpEpqxbAfU/pDvZm0Wuq74q Cd5g1YbET2/5d8VDMmNDKPTbfihhT3/UglukQTjJAVbHSGlvBqYkytlX9R6ThJwPI5J5vg2mR2XP3 Mj53j/IzkRnCWyVr7sUIwKyaQbDiaZ35nFTbRdGHnbSsLibhrW5mS4georC2qbbyistrB4+Bj78y4 npRLuNEVA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hCLJ8-0005Cv-Do; Fri, 05 Apr 2019 09:38:46 +0000 Received: from relay5-d.mail.gandi.net ([217.70.183.197]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hCLIt-000525-KQ; Fri, 05 Apr 2019 09:38:37 +0000 X-Originating-IP: 90.88.30.125 Received: from xps13 (aaubervilliers-681-1-89-125.w90-88.abo.wanadoo.fr [90.88.30.125]) (Authenticated sender: miquel.raynal@bootlin.com) by relay5-d.mail.gandi.net (Postfix) with ESMTPSA id 73BAB1C0006; Fri, 5 Apr 2019 09:38:24 +0000 (UTC) Date: Fri, 5 Apr 2019 11:38:18 +0200 From: Miquel Raynal To: Maxime Ripard Subject: Re: [PATCH 3/3] ARM: dts: sunxi: Improve sun8i NAND transfers by using DMA Message-ID: <20190405113818.4dd5206b@xps13> In-Reply-To: <20190405091807.itjp5uvsoqdfbm2u@flea> References: <20190404162111.22618-1-miquel.raynal@bootlin.com> <20190404162111.22618-4-miquel.raynal@bootlin.com> <20190405091807.itjp5uvsoqdfbm2u@flea> Organization: Bootlin X-Mailer: Claws Mail 3.17.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190405_023831_823024_7204574D X-CRM114-Status: GOOD ( 12.96 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Vignesh Raghavendra , Tudor Ambarus , Richard Weinberger , Marek Vasut , Chen-Yu Tsai , Rob Herring , linux-mtd@lists.infradead.org, Brian Norris , David Woodhouse , linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============4028677370355772689==" Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org --===============4028677370355772689== Content-Type: multipart/signed; micalg=pgp-sha512; boundary="Sig_/fJprKWxm.XYVgpO+/RDR/f="; protocol="application/pgp-signature" --Sig_/fJprKWxm.XYVgpO+/RDR/f= Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Maxime, Maxime Ripard wrote on Fri, 5 Apr 2019 11:18:07 +0200: > On Thu, Apr 04, 2019 at 06:21:11PM +0200, Miquel Raynal wrote: > > In the current state, sun8i NAND controllers use PIO during > > transfers. Throughput can be increased thanks to the use of DMA > > (mostly during reads, because of the ECC pipelining feature). > > > > Besides the usual addition of DMA DT properties, because the sun8i =20 >=20 > The only thing that "sun8i" means for Allwinner is that the SoC has > Cortex-A7 CPUs. You need to be more precise than that, why not just > use A33? I am always confused. I'll stick to A33 then. Thanks, Miqu=C3=A8l --Sig_/fJprKWxm.XYVgpO+/RDR/f= Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEE9HuaYnbmDhq/XIDIJWrqGEe9VoQFAlynIgoACgkQJWrqGEe9 VoQR5gf/V1zoo50dot4Qi7vWluGfiJibRWvqen8W/jVwORD89T6jAO68MsYl1efz Zpu0GQe2LiFZPcfQONosKIItiN/ulebusz9A718S3l6tNsbBSj3CX/6IUg9yiDul ZHV/+YQG47pRojdCLyaA7znyxP3ArobygCidOcf2gOcQdU9jzsUXRT4P2PH7cLlQ iUrraiJf0pSvagTWRCBqlVbjdg8Dvzu/EUNOqBu/0jZaDFrjILRGsSNk9VhqOkAK 7SjLYqPfkkMUVbyL9wPbKPZEc+0EUPxkqB05zkZheo0nwTIkhRgkEWhHLhCwuVhu NOsZUrKouHqrka6P+kDxNCbGTbq9BA== =HoTh -----END PGP SIGNATURE----- --Sig_/fJprKWxm.XYVgpO+/RDR/f=-- --===============4028677370355772689== 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/ --===============4028677370355772689==--