From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Icenowy Zheng <icenowy@aosc.xyz>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>,
Russell King <linux@armlinux.org.uk>,
Chen-Yu Tsai <wens@csie.org>, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-sunxi@googlegroups.com" <linux-sunxi@googlegroups.com>
Subject: Re: [PATCH] ARM: dts: sun8i: add NAND controller node for A23/A33
Date: Thu, 25 Aug 2016 22:53:43 +0200 [thread overview]
Message-ID: <20160825205343.GJ32598@lukather> (raw)
In-Reply-To: <16141472026895@web4j.yandex.ru>
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Hi,
On Wed, Aug 24, 2016 at 04:21:35PM +0800, Icenowy Zheng wrote:
> Hi Maxime,
>
> 24.08.2016, 14:02, "Maxime Ripard" <maxime.ripard@free-electrons.com>:
> > Hi,
> >
> > On Tue, Aug 23, 2016 at 09:55:46PM +0800, Icenowy Zheng wrote:
> >> A23/A33 has a NAND controller which can now be used properly.
> >>
> >> Add a device node for it.
> >>
> >> The DMA function cannot work because of changed DMA IP block, so it's
> >> temporarily removed in the device node. However, with PIO mode it can still
> >> work.
> >
> > What is preventing the NAND driver to work with DMA with the sun6i driver?
>
> It seems that under sun6i we should use dedicated rx and tx DMAs, but not a
> "rxtx" DMA.
Ah, I see. I just applied your patch, thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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prev parent reply other threads:[~2016-08-25 21:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20160823135546.60179-1-icenowy@aosc.xyz>
2016-08-24 6:02 ` [PATCH] ARM: dts: sun8i: add NAND controller node for A23/A33 Maxime Ripard
[not found] ` <16141472026895@web4j.yandex.ru>
2016-08-25 20:53 ` Maxime Ripard [this message]
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