2 files changed, 7 insertions, 4 deletions

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 03e37af315d7..0453dcc757b4 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -839,8 +839,11 @@ static int __init topology_init(void)
 {
         int cpu;
 
-        for_each_possible_cpu(cpu)
-                register_cpu(&per_cpu(cpu_data, cpu).cpu, cpu);
+        for_each_possible_cpu(cpu) {
+                struct cpuinfo_arm *cpuinfo = &per_cpu(cpu_data, cpu);
+                cpuinfo->cpu.hotpluggable = 1;
+                register_cpu(&cpuinfo->cpu, cpu);
+        }
 
         return 0;
 }
diff --git a/include/asm-arm/atomic.h b/include/asm-arm/atomic.h
index ea88aa6bfc78..f266c2795124 100644
--- a/include/asm-arm/atomic.h
+++ b/include/asm-arm/atomic.h
@@ -103,9 +103,9 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
         unsigned long tmp, tmp2;
 
         __asm__ __volatile__("@ atomic_clear_mask\n"
-"1:     ldrex   %0, %2\n"
+"1:     ldrex   %0, [%2]\n"
 "       bic     %0, %0, %3\n"
-"       strex   %1, %0, %2\n"
+"       strex   %1, %0, [%2]\n"
 "       teq     %1, #0\n"
 "       bne     1b"
         : "=&r" (tmp), "=&r" (tmp2)