pm_tests: rockchip: fix compilation warning

Signed-off-by: Xiao Feng <xf@rock-chips.com>

diff --git a/arch/arm/mach-rockchip/rk_pm_tests/cpu_usage.c b/arch/arm/mach-rockchip/rk_pm_tests/cpu_usage.c
index 91e445ab3d2a94bb20d54fce55f4500fc8f320e2..78a643d5e0365aee43a5fcca19070f7cfe0a8819 100644 (file)
--- a/arch/arm/mach-rockchip/rk_pm_tests/cpu_usage.c
+++ b/arch/arm/mach-rockchip/rk_pm_tests/cpu_usage.c
@@ -129,7 +129,7 @@ static int __init cpu_usage_init(void)
                INIT_WORK(work, handler_cpu_usage);
        }
 
-       setup_timer(&arm_mode_timer, arm_mode_timer_handler, (unsigned int)NULL);
+       setup_timer(&arm_mode_timer, arm_mode_timer_handler, 0);
        return 0;
 }
 late_initcall(cpu_usage_init);