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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_NEOMUTT 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 20D11C282DD for ; Mon, 8 Apr 2019 08:44:23 +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 DC44C20880 for ; Mon, 8 Apr 2019 08:44:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="EBP0kijE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DC44C20880 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-arm-kernel-bounces+infradead-linux-arm-kernel=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: In-Reply-To:MIME-Version:References: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=nqGkR8PhOfSvHKabUYL6GXJlCHEqtINhl2veYZV1fWY=; b=EBP0kijEu6g6sAZB2ItSO9OxG R5QZAKxJiiw1e5x41IMyM8QHpYC/8e0vogV3mvy9DFqjqjZ4BDGjcjhBb5ok1mIMSlF7+3pEkCLQo 2FpqgcOIYpKHqaU+5KxC+wX0YF5yp1tDoRQlhGaE6ftkpFMwgYq1ELGVz1EkhfYZEBORSkMWu06PH SI8gWqA804Aiv9H24Z1IZIhwdOn4ZUjZhaH/kWrh2a3Vy5rW6RrrolnFn5LmlmifCZtPfFaRihd43 z+xkzqar24pGCE1ijcg/omqw8vLZaNY+fyOQBi3StliLpGEa9WBt8Fp7IJZEmqY6TuOkqnzBS7B4S BpGPZ54cQ==; 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 1hDPt5-0004K8-2r; Mon, 08 Apr 2019 08:44:19 +0000 Received: from relay3-d.mail.gandi.net ([217.70.183.195]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hDPt1-0004JB-3b; Mon, 08 Apr 2019 08:44:17 +0000 X-Originating-IP: 90.88.30.125 Received: from localhost (aaubervilliers-681-1-89-125.w90-88.abo.wanadoo.fr [90.88.30.125]) (Authenticated sender: maxime.ripard@bootlin.com) by relay3-d.mail.gandi.net (Postfix) with ESMTPSA id 7E84260003; Mon, 8 Apr 2019 08:44:07 +0000 (UTC) Date: Mon, 8 Apr 2019 10:44:07 +0200 From: Maxime Ripard To: Miquel Raynal Subject: Re: [PATCH v2 4/4] ARM: dts: sunxi: Improve A33 NAND transfers by using DMA Message-ID: <20190408084407.7wauneg3wzjsqg4l@flea> References: <20190408074147.26797-1-miquel.raynal@bootlin.com> <20190408074147.26797-4-miquel.raynal@bootlin.com> <20190408084015.6iw74ub5ay6q73v2@flea> MIME-Version: 1.0 In-Reply-To: <20190408084015.6iw74ub5ay6q73v2@flea> User-Agent: NeoMutt/20180716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190408_014415_377031_77189980 X-CRM114-Status: GOOD ( 15.86 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: 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="===============1110615940704874896==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============1110615940704874896== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="nrzlspwk2lkrapo4" Content-Disposition: inline --nrzlspwk2lkrapo4 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Apr 08, 2019 at 10:40:15AM +0200, Maxime Ripard wrote: > On Mon, Apr 08, 2019 at 09:41:47AM +0200, Miquel Raynal wrote: > > In the current state, A33 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 A33 > > NAND DMA handling is different than for older SoCs, we must also > > update the compatible which has recently been introduced for this > > purpose. > > > > Signed-off-by: Miquel Raynal > > Applied, thanks! > > The rest is > Acked-by: Maxime Ripard Actually, the A23 was introduced before the A33, so we want to use that in the compatible. I've updated the patch while applying it, you might want to do the same. Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --nrzlspwk2lkrapo4 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXKsJ1gAKCRDj7w1vZxhR xb6tAQCFytNO1wQYB2mMklz+JlqcgAGC0MQGJZNsg63QE75RUAD/WI8SmGt2IZbh N9SXJSTVexPP7u9sovNL6dP9D3/BLAA= =whwQ -----END PGP SIGNATURE----- --nrzlspwk2lkrapo4-- --===============1110615940704874896== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============1110615940704874896==--