Re: [PATCH 1/2] arm: plat-orion: Add coherency attribute when setupmbus target

From: Thomas Petazzoni
Date: Wed Oct 24 2012 - 07:56:00 EST



On Wed, 24 Oct 2012 10:04:00 +0200, Gregory CLEMENT wrote:
> Recent SoC such as Armada 370/XP came with the possibility to deal
> with the I/O coherency by hardware. In this case the transaction
> attribute of the window must be flagged as "Shared transaction". Once
> this flag is set, then the transactions will be forced to be sent
> through the coherency block, in other case transaction is driven
> directly to DRAM.
>
> Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
> Reviewed-by: Yehuda Yitschak <yehuday@xxxxxxxxxxx>

Acked-by: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>
--
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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