From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, Vignesh Raghavendra <vigneshr@ti.com>,
Tudor Ambarus <Tudor.Ambarus@microchip.com>,
Richard Weinberger <richard@nod.at>,
Marek Vasut <marek.vasut@gmail.com>, Chen-Yu Tsai <wens@csie.org>,
Rob Herring <robh+dt@kernel.org>,
linux-mtd@lists.infradead.org,
Brian Norris <computersforpeace@gmail.com>,
David Woodhouse <dwmw2@infradead.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 3/3] ARM: dts: sunxi: Improve sun8i NAND transfers by using DMA
Date: Fri, 5 Apr 2019 11:38:18 +0200 [thread overview]
Message-ID: <20190405113818.4dd5206b@xps13> (raw)
In-Reply-To: <20190405091807.itjp5uvsoqdfbm2u@flea>
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Hi Maxime,
Maxime Ripard <maxime.ripard@bootlin.com> 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
>
> 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,
Miquèl
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prev parent reply other threads:[~2019-04-05 9:38 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-04 16:21 [PATCH 0/3] Sun8i NAND DMA support Miquel Raynal
2019-04-04 16:21 ` [PATCH 1/3] dt-bindings: mtd: sunxi: Add new compatible Miquel Raynal
2019-04-05 9:13 ` Maxime Ripard
2019-04-05 9:28 ` Miquel Raynal
2019-04-05 9:56 ` Maxime Ripard
2019-04-04 16:21 ` [PATCH 2/3] mtd: rawnand: sunxi: Add DMA support for sun8i Miquel Raynal
2019-04-05 9:16 ` Maxime Ripard
2019-04-05 9:37 ` Miquel Raynal
2019-04-05 10:55 ` Maxime Ripard
2019-04-05 12:25 ` Miquel Raynal
2019-04-05 12:47 ` Maxime Ripard
2019-04-14 9:05 ` Boris Brezillon
2019-04-15 6:58 ` Miquel Raynal
2019-04-15 7:14 ` Boris Brezillon
2019-04-16 16:53 ` Miquel Raynal
2019-04-04 16:21 ` [PATCH 3/3] ARM: dts: sunxi: Improve sun8i NAND transfers by using DMA Miquel Raynal
2019-04-05 9:18 ` Maxime Ripard
2019-04-05 9:38 ` Miquel Raynal [this message]
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