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authorRussell King <rmk+kernel@arm.linux.org.uk>2015-04-14 21:28:32 (GMT)
committerRussell King <rmk+kernel@arm.linux.org.uk>2015-04-14 21:28:32 (GMT)
commit4b2f8838479eb2abe042e094f7d2cced6d5ea772 (patch)
tree5ef3236b354a494c8d71a572896283e44989c696 /arch/arm/mach-socfpga/socfpga.c
parentc848791f0336914a3081ea3fe029cf177d81de81 (diff)
parent9fd85eb502a78bd812db58bd1f668b2a06ee30a5 (diff)
downloadlinux-4b2f8838479eb2abe042e094f7d2cced6d5ea772.tar.xz
Merge branch 'devel-stable' into for-next
Diffstat (limited to 'arch/arm/mach-socfpga/socfpga.c')
-rw-r--r--arch/arm/mach-socfpga/socfpga.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c
index 383d61e..f5e597c 100644
--- a/arch/arm/mach-socfpga/socfpga.c
+++ b/arch/arm/mach-socfpga/socfpga.c
@@ -23,6 +23,7 @@
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
+#include <asm/cacheflush.h>
#include "core.h"
@@ -73,6 +74,10 @@ void __init socfpga_sysmgr_init(void)
(u32 *) &socfpga_cpu1start_addr))
pr_err("SMP: Need cpu1-start-addr in device tree.\n");
+ /* Ensure that socfpga_cpu1start_addr is visible to other CPUs */
+ smp_wmb();
+ sync_cache_w(&socfpga_cpu1start_addr);
+
sys_manager_base_addr = of_iomap(np, 0);
np = of_find_compatible_node(NULL, NULL, "altr,rst-mgr");