rk30: reset better check panic

diff --git a/arch/arm/mach-rk30/reset.c b/arch/arm/mach-rk30/reset.c
index f897f7849450b8782549e98af4060738691248c2..5bfb2c4ff15ff9b8dd63fca499d27a0e1f6ad5cc 100644 (file)
--- a/arch/arm/mach-rk30/reset.c
+++ b/arch/arm/mach-rk30/reset.c
@@ -8,6 +8,25 @@
 #include <mach/board.h>
 #include <mach/pmu.h>
 
+static bool is_panic = false;
+
+static int panic_event(struct notifier_block *this, unsigned long event, void *ptr)
+{
+       is_panic = true;
+       return NOTIFY_DONE;
+}
+
+static struct notifier_block panic_block = {
+       .notifier_call  = panic_event,
+};
+
+static int __init arch_reset_init(void)
+{
+       atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
+       return 0;
+}
+core_initcall(arch_reset_init);
+
 static void rk30_arch_reset(char mode, const char *cmd)
 {
        u32 boot_flag = 0;
@@ -21,7 +40,7 @@ static void rk30_arch_reset(char mode, const char *cmd)
                else if (!strcmp(cmd, "charge"))
                        boot_mode = BOOT_MODE_CHARGE;
        } else {
-               if (system_state != SYSTEM_RESTART)
+               if (is_panic)
                        boot_mode = BOOT_MODE_PANIC;
        }
        writel_relaxed(boot_flag, RK30_PMU_BASE + PMU_SYS_REG0);        // for loader