This is a note to let you know that I've just added the patch titled
ARM: OMAP2: Fix up interconnect barrier initialization for DRA7
to the 4.5-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm-omap2-fix-up-interconnect-barrier-initialization-for-dra7.patch
and it can be found in the queue-4.5 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 456e8d53482537616899a146b706eccd095404e6 Mon Sep 17 00:00:00 2001
From: Nishanth Menon <nm@xxxxxx>
Date: Fri, 11 Mar 2016 10:12:28 -0600
Subject: ARM: OMAP2: Fix up interconnect barrier initialization for DRA7
From: Nishanth Menon <nm@xxxxxx>
commit 456e8d53482537616899a146b706eccd095404e6 upstream.
The following commits:
commit 3fa609755c11 ("ARM: omap2: restore OMAP4 barrier behaviour")
commit f746929ffdc8 ("Revert "ARM: OMAP4: remove dead kconfig option OMAP4_ERRATA_I688"")
and
commit ea827ad5ffbb ("ARM: DRA7: Provide proper IO map table")
came in around the same time, unfortunately this seem to have missed
initializing the barrier for DRA7 platforms - omap5_map_io was reused
for dra7 till it was split out by the last patch. barrier_init
needs to be hence carried forward as it is valid for DRA7 family of
processors as they are for OMAP5.
Fixes: ea827ad5ffbb7 ("ARM: DRA7: Provide proper IO map table")
Reported-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Reported-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Cc: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Signed-off-by: Nishanth Menon <nm@xxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-omap2/io.c | 1 +
1 file changed, 1 insertion(+)
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -368,6 +368,7 @@ void __init omap5_map_io(void)
void __init dra7xx_map_io(void)
{
iotable_init(dra7xx_io_desc, ARRAY_SIZE(dra7xx_io_desc));
+ omap_barriers_init();
}
#endif
/*
Patches currently in stable-queue which might be from nm@xxxxxx are
queue-4.5/arm-dts-am43x-epos-fix-clk-parent-for-synctimer.patch
queue-4.5/arm-omap2-fix-up-interconnect-barrier-initialization-for-dra7.patch
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