From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Miquel Raynal <miquel.raynal@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 11:18:07 +0200 [thread overview]
Message-ID: <20190405091807.itjp5uvsoqdfbm2u@flea> (raw)
In-Reply-To: <20190404162111.22618-4-miquel.raynal@bootlin.com>
[-- Attachment #1.1: Type: text/plain, Size: 565 bytes --]
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?
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 228 bytes --]
[-- Attachment #2: Type: text/plain, Size: 176 bytes --]
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-04-05 9:18 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 [this message]
2019-04-05 9:38 ` Miquel Raynal
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190405091807.itjp5uvsoqdfbm2u@flea \
--to=maxime.ripard@bootlin.com \
--cc=Tudor.Ambarus@microchip.com \
--cc=computersforpeace@gmail.com \
--cc=devicetree@vger.kernel.org \
--cc=dwmw2@infradead.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-mtd@lists.infradead.org \
--cc=marek.vasut@gmail.com \
--cc=mark.rutland@arm.com \
--cc=miquel.raynal@bootlin.com \
--cc=richard@nod.at \
--cc=robh+dt@kernel.org \
--cc=vigneshr@ti.com \
--cc=wens@csie.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox