1 files changed, 15 insertions, 8 deletions

diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index c19083bfb943..ce87205e3e82 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -930,7 +930,7 @@ static void __gic_handle_irq_from_irqsoff(struct pt_regs *regs)
 	__gic_handle_nmi(irqnr, regs);
 }
 
-static asmlinkage void __exception_irq_entry gic_handle_irq(struct pt_regs *regs)
+static void __exception_irq_entry gic_handle_irq(struct pt_regs *regs)
 {
 	if (unlikely(gic_supports_nmi() && !interrupts_enabled(regs)))
 		__gic_handle_irq_from_irqsoff(regs);
@@ -1154,14 +1154,8 @@ static void gic_update_rdist_properties(void)
 			gic_data.rdists.has_vpend_valid_dirty ? "Valid+Dirty " : "");
 }
 
-static void gic_cpu_sys_reg_init(void)
+static void gic_cpu_sys_reg_enable(void)
 {
-	int i, cpu = smp_processor_id();
-	u64 mpidr = gic_cpu_to_affinity(cpu);
-	u64 need_rss = MPIDR_RS(mpidr);
-	bool group0;
-	u32 pribits;
-
 	/*
 	 * Need to check that the SRE bit has actually been set. If
 	 * not, it means that SRE is disabled at EL2. We're going to
@@ -1172,6 +1166,16 @@ static void gic_cpu_sys_reg_init(void)
 	if (!gic_enable_sre())
 		pr_err("GIC: unable to set SRE (disabled at EL2), panic ahead\n");
 
+}
+
+static void gic_cpu_sys_reg_init(void)
+{
+	int i, cpu = smp_processor_id();
+	u64 mpidr = gic_cpu_to_affinity(cpu);
+	u64 need_rss = MPIDR_RS(mpidr);
+	bool group0;
+	u32 pribits;
+
 	pribits = gic_get_pribits();
 
 	group0 = gic_has_group0();
@@ -1333,6 +1337,7 @@ static int gic_check_rdist(unsigned int cpu)
 
 static int gic_starting_cpu(unsigned int cpu)
 {
+	gic_cpu_sys_reg_enable();
 	gic_cpu_init();
 
 	if (gic_dist_supports_lpis())
@@ -1498,6 +1503,7 @@ static int gic_cpu_pm_notifier(struct notifier_block *self,
 	if (cmd == CPU_PM_EXIT) {
 		if (gic_dist_security_disabled())
 			gic_enable_redist(true);
+		gic_cpu_sys_reg_enable();
 		gic_cpu_sys_reg_init();
 	} else if (cmd == CPU_PM_ENTER && gic_dist_security_disabled()) {
 		gic_write_grpen1(0);
@@ -2070,6 +2076,7 @@ static int __init gic_init_bases(phys_addr_t dist_phys_base,
 
 	gic_update_rdist_properties();
 
+	gic_cpu_sys_reg_enable();
 	gic_prio_init();
 	gic_dist_init();
 	gic_cpu_init();