ARM: 7662/1: hw_breakpoint: reset debug logic on secondary CPUs in s2ram resume
authorDietmar Eggemann <Dietmar.Eggemann@arm.com>
Thu, 28 Feb 2013 16:48:57 +0000 (17:48 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Sun, 3 Mar 2013 22:54:16 +0000 (22:54 +0000)
We must mask out the CPU_TASKS_FROZEN bit so that reset_ctrl_regs is
also called on a secondary CPU during s2ram resume, where only the boot
CPU will receive the PM_EXIT notification.

Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/kernel/hw_breakpoint.c

index 5eae53e7a2e1619c5d128b20b5337e727fc43864..96093b75ab90dc134d7232e3f6a1e3c5f41e7902 100644 (file)
@@ -1023,7 +1023,7 @@ out_mdbgen:
 static int __cpuinit dbg_reset_notify(struct notifier_block *self,
                                      unsigned long action, void *cpu)
 {
-       if (action == CPU_ONLINE)
+       if ((action & ~CPU_TASKS_FROZEN) == CPU_ONLINE)
                smp_call_function_single((int)cpu, reset_ctrl_regs, NULL, 1);
 
        return NOTIFY_OK;