diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index 6ab1d3afec02b39f4d8b26e9e30c280b316de156..48ee1bad473f005fca967d1908b1204fa90773ba 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -1020,8 +1020,11 @@ static int __init gic_of_init(struct device_node *node,
 		gic_len = resource_size(&res);
 	}
 
-	if (mips_cm_present())
+	if (mips_cm_present()) {
 		write_gcr_gic_base(gic_base | CM_GCR_GIC_BASE_GICEN_MSK);
+		/* Ensure GIC region is enabled before trying to access it */
+		__sync();
+	}
 	gic_present = true;
 
 	__gic_init(gic_base, gic_len, cpu_vec, 0, node);