From mboxrd@z Thu Jan 1 00:00:00 1970 From: thomas.petazzoni@free-electrons.com (Thomas Petazzoni) Date: Fri, 9 Jan 2015 16:52:04 +0100 Subject: [PATCH 0/6] ARM: mvebu: mvebu-mbus and I/O coherency fixes In-Reply-To: <1419943428-18491-1-git-send-email-thomas.petazzoni@free-electrons.com> References: <1419943428-18491-1-git-send-email-thomas.petazzoni@free-electrons.com> Message-ID: <20150109165204.3d0d3d99@free-electrons.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hello Andrew, On Tue, 30 Dec 2014 13:43:41 +0100, Thomas Petazzoni wrote: > Michal Mazur (1): > bus: mvebu-mbus: fix support of MBus window 13 on Armada XP/375/38x > > Thomas Petazzoni (5): > dt: bindings: update mvebu-mbus DT binding with new compatible > properties > ARM: mvebu: fix compatible strings of MBus on Armada 375 and Armada > 38x > bus: mvebu-mbus: make sure SDRAM CS for DMA don't overlap the MBus > bridge window > bus: mvebu-mbus: use automatic I/O synchronization barriers > ARM: mvebu: use arm_coherent_dma_ops Would it be possible to get those patches applied? Simon has started doing some testing with the automatic I/O sync barriers. It is still not working 100% properly, but it is apparently not worse than it was. And clearly the current situation is not good, and those patches make it slightly better. Thanks, Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com