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authorMark Brown <broonie@kernel.org>2015-03-26 17:50:42 -0700
committerMark Brown <broonie@kernel.org>2015-03-26 17:50:42 -0700
commit1be38e041f8eaa935f370aa0f34dd7a2fe39b1d8 (patch)
tree2d89734fc831593784bd411be03a1b9649de4c9d /arch/arm/mach-socfpga/socfpga.c
parent6935224da2482a261c786501fbccb1dc4a675225 (diff)
parentbc465aa9d045feb0e13b4a8f32cc33c1943f62d6 (diff)
Merge tag 'v4.0-rc5' into spi-bcm2835
Linux 4.0-rc5
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 383d61e138af..f5e597c207b9 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");