linux-kernel - Re: [PATCH 4/4] ARM: dove: add initial DT file for Globalscale D2Plug

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Date:	Tue, 30 Jul 2013 10:03:56 +0200
From:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
To:	Andrew Lunn <andrew@...n.ch>
CC:	Russell King <linux@....linux.org.uk>,
	Jason Cooper <jason@...edaemon.net>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] ARM: dove: add initial DT file for Globalscale D2Plug

On 07/29/2013 08:45 PM, Andrew Lunn wrote:
> On Mon, Jul 29, 2013 at 02:29:06PM +0200, Sebastian Hesselbarth wrote:
>> This adds an initial DT file for the Globalscale D2Plug with Dove SoC.
>> Currently, one LED is missing and I have not been able to get SD8787 driver
>> working. Those will be taken care of later.
>
> I took a hard look at SDIO and failed to get it working when doing
> DMA. Polled IO does however work. I guess we need some help from
> Marvell engineers before we get stable SDIO with DMA.

Andrew,

have you tried this on the Dove D2Plug or any other Marvell SoC?
Dove is using a different SDHCI compatible SDIO controller.

Anyway, I haven't had a deep look into neither SDIO/SDHCI DMA nor
sd8787 driver.

Also, the DMA issue is not holding back this patch, is it?

Sebastian

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