From mboxrd@z Thu Jan 1 00:00:00 1970 From: thomas.petazzoni@free-electrons.com (Thomas Petazzoni) Date: Wed, 24 Oct 2012 13:55:56 +0200 Subject: [PATCH 1/2] arm: plat-orion: Add coherency attribute when setup mbus target In-Reply-To: <1351065841-18654-2-git-send-email-gregory.clement@free-electrons.com> References: <1351065841-18654-1-git-send-email-gregory.clement@free-electrons.com> <1351065841-18654-2-git-send-email-gregory.clement@free-electrons.com> Message-ID: <20121024135556.157d2e59@skate> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > Reviewed-by: Yehuda Yitschak Acked-by: Thomas Petazzoni -- Thomas Petazzoni, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com