From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Mon, 25 Feb 2013 15:15:56 +0000 Subject: [PATCH] ARM: hw_breakpoint: reset debug logic on secondary CPUs in s2ram resume Message-ID: <1361805356-8554-1-git-send-email-will.deacon@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Dietmar Eggemann 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 Signed-off-by: Will Deacon --- arch/arm/kernel/hw_breakpoint.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index 5eae53e..96093b7 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -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; -- 1.8.0