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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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______________________________________________________
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http://lists.infradead.org/mailman/listinfo/linux-mtd/

WARNING: multiple messages have this Message-ID (diff)
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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_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2019-04-05  9:38 UTC|newest]

Thread overview: 40+ 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 ` Miquel Raynal
2019-04-04 16:21 ` [PATCH 1/3] dt-bindings: mtd: sunxi: Add new compatible Miquel Raynal
2019-04-04 16:21   ` Miquel Raynal
2019-04-04 16:21   ` Miquel Raynal
2019-04-05  9:13   ` Maxime Ripard
2019-04-05  9:13     ` Maxime Ripard
2019-04-05  9:28     ` Miquel Raynal
2019-04-05  9:28       ` Miquel Raynal
2019-04-05  9:56       ` Maxime Ripard
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
2019-04-04 16:21   ` Miquel Raynal
2019-04-04 16:21   ` Miquel Raynal
2019-04-05  9:16   ` Maxime Ripard
2019-04-05  9:16     ` Maxime Ripard
2019-04-05  9:37     ` Miquel Raynal
2019-04-05  9:37       ` Miquel Raynal
2019-04-05 10:55       ` Maxime Ripard
2019-04-05 10:55         ` Maxime Ripard
2019-04-05 12:25         ` Miquel Raynal
2019-04-05 12:25           ` Miquel Raynal
2019-04-05 12:47           ` Maxime Ripard
2019-04-05 12:47             ` Maxime Ripard
2019-04-14  9:05   ` Boris Brezillon
2019-04-14  9:05     ` Boris Brezillon
2019-04-14  9:05     ` Boris Brezillon
2019-04-15  6:58     ` Miquel Raynal
2019-04-15  6:58       ` Miquel Raynal
2019-04-15  7:14       ` Boris Brezillon
2019-04-15  7:14         ` Boris Brezillon
2019-04-15  7:14         ` Boris Brezillon
2019-04-16 16:53         ` Miquel Raynal
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
2019-04-04 16:21   ` Miquel Raynal
2019-04-05  9:18   ` Maxime Ripard
2019-04-05  9:18     ` Maxime Ripard
2019-04-05  9:38     ` Miquel Raynal [this message]
2019-04-05  9:38       ` Miquel Raynal

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