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-rw-r--r--arch/arm/mach-tango/smc.S10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-tango/smc.S b/arch/arm/mach-tango/smc.S
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index 000000000..361a8dc89
--- /dev/null
+++ b/arch/arm/mach-tango/smc.S
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/linkage.h>
+
+ENTRY(tango_smc)
+ push {lr}
+ mov ip, r1
+ dsb /* This barrier is probably unnecessary */
+ smc #0
+ pop {pc}
+ENDPROC(tango_smc)