rk29: vpu_service: add log when waiting task at power off

diff --git a/arch/arm/mach-rk29/vpu_service.c b/arch/arm/mach-rk29/vpu_service.c
index d5465cb221aa4caae0e325ba2a4cb91186130c8f..07b2a28ab9711bb7c322a92d6fa981fe891f5a62 100644 (file)
--- a/arch/arm/mach-rk29/vpu_service.c
+++ b/arch/arm/mach-rk29/vpu_service.c
@@ -189,8 +189,10 @@ static void vpu_service_power_off(void)
        if (!service.enabled)
                return;
 
-       while(atomic_read(&service.task_running))
+       while(atomic_read(&service.task_running)) {
+               pr_alert("power off when task running!!\n");
                udelay(10);
+       }
 
        printk("vpu: power off\n");
        pmu_set_power_domain(PD_VCODEC, false);