[PATCH v3 4/5] MIPS: let amon_cpu_start() report results

[Deng-Cheng Zhu <dczhu@mips.com>]

Change the return type of amon_cpu_start() from void to int.

Signed-off-by: Deng-Cheng Zhu <dczhu@mips.com>
---
 arch/mips/include/asm/amon.h     |    2 +-
 arch/mips/mti-malta/malta-amon.c |    8 +++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/mips/include/asm/amon.h b/arch/mips/include/asm/amon.h
index c3dc1a6..c8af6b0 100644
--- a/arch/mips/include/asm/amon.h
+++ b/arch/mips/include/asm/amon.h
@@ -3,5 +3,5 @@
  */
 
 int amon_cpu_avail(int);
-void amon_cpu_start(int, unsigned long, unsigned long,
+int amon_cpu_start(int, unsigned long, unsigned long,
                    unsigned long, unsigned long);
diff --git a/arch/mips/mti-malta/malta-amon.c b/arch/mips/mti-malta/malta-amon.c
index 469d9b0..fcd69cb 100644
--- a/arch/mips/mti-malta/malta-amon.c
+++ b/arch/mips/mti-malta/malta-amon.c
@@ -48,7 +48,7 @@ int amon_cpu_avail(int cpu)
        return 1;
 }
 
-void amon_cpu_start(int cpu,
+int amon_cpu_start(int cpu,
                    unsigned long pc, unsigned long sp,
                    unsigned long gp, unsigned long a0)
 {
@@ -56,10 +56,10 @@ void amon_cpu_start(int cpu,
                (struct cpulaunch  *)CKSEG0ADDR(CPULAUNCH);
 
        if (!amon_cpu_avail(cpu))
-               return;
+               return -1;
        if (cpu == smp_processor_id()) {
                pr_debug("launch: I am cpu%d!\n", cpu);
-               return;
+               return -1;
        }
        launch += cpu;
 
@@ -78,4 +78,6 @@ void amon_cpu_start(int cpu,
                ;
        smp_rmb();      /* Target will be updating flags soon */
        pr_debug("launch: cpu%d gone!\n", cpu);
+
+       return 0;
 }
-- 
1.7.1