From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH v2 4/4] ARM: dts: sunxi: Improve A33 NAND transfers by using DMA Date: Mon, 8 Apr 2019 10:40:15 +0200 Message-ID: <20190408084015.6iw74ub5ay6q73v2@flea> References: <20190408074147.26797-1-miquel.raynal@bootlin.com> <20190408074147.26797-4-miquel.raynal@bootlin.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============2071094980206693189==" Return-path: In-Reply-To: <20190408074147.26797-4-miquel.raynal@bootlin.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Miquel Raynal 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 List-Id: devicetree@vger.kernel.org --===============2071094980206693189== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="l4v334xptnbawb4e" Content-Disposition: inline --l4v334xptnbawb4e Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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 Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --l4v334xptnbawb4e Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXKsI7wAKCRDj7w1vZxhR xfJBAQCyiU4fGQ/u3wNkniYvCVQT9Nx6ofTiHrLhW8PTWWwr4wD9GdmqZLVM3/HK tvkvK5R/x68kflFbe/dhdEoXf21s7Qk= =QTXJ -----END PGP SIGNATURE----- --l4v334xptnbawb4e-- --===============2071094980206693189== 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 --===============2071094980206693189==--