From mboxrd@z Thu Jan 1 00:00:00 1970 From: thomas.petazzoni@free-electrons.com (Thomas Petazzoni) Date: Sun, 18 Jan 2015 17:29:58 +0100 Subject: [PATCH] bus: mvebu-mbus: fix support of MBus window 13 In-Reply-To: <1421596214-15924-1-git-send-email-andrew@lunn.ch> References: <1419943428-18491-3-git-send-email-thomas.petazzoni@free-electrons.com> <1421596214-15924-1-git-send-email-andrew@lunn.ch> Message-ID: <20150118172958.0fc11eb5@free-electrons.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Dear Andrew Lunn, On Sun, 18 Jan 2015 16:50:14 +0100, Andrew Lunn wrote: > On Armada XP, 375 and 38x the MBus window 13 has the remap capability, > like windows 0 to 7. However, the mvebu-mbus driver isn't currently > taking into account this special case, which means that when window 13 > is actually used, the remap registers are left to 0, making the device > using this MBus window unavailable. > > As a minimal fix for stable, don't use window 13. A full fix will > follow later. > > Fixes: fddddb52a6c ("bus: introduce an Marvell EBU MBus driver") > Cc: # v3.10+ > Signed-off-by: Andrew Lunn Thanks a lot for doing this! Reviewed-by: Thomas Petazzoni Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com