ARCv2: IDU-intc: mask all common interrupts by default

Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
[vgupta: broken off from a bigger patch]

1 files changed, 10 insertions, 2 deletions

diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c
index 21dc89704113..b91d833ea6bb 100644
--- a/arch/arc/kernel/mcip.c
+++ b/arch/arc/kernel/mcip.c
@@ -156,15 +156,20 @@ static void idu_set_mode(unsigned int cmn_irq, unsigned int lvl,
         __mcip_cmd_data(CMD_IDU_SET_MODE, cmn_irq, data.word);
 }
 
-static void idu_irq_mask(struct irq_data *data)
+static void idu_irq_mask_raw(irq_hw_number_t hwirq)
 {
         unsigned long flags;
 
         raw_spin_lock_irqsave(&mcip_lock, flags);
-        __mcip_cmd_data(CMD_IDU_SET_MASK, data->hwirq, 1);
+        __mcip_cmd_data(CMD_IDU_SET_MASK, hwirq, 1);
         raw_spin_unlock_irqrestore(&mcip_lock, flags);
 }
 
+static void idu_irq_mask(struct irq_data *data)
+{
+        idu_irq_mask_raw(data->hwirq);
+}
+
 static void idu_irq_unmask(struct irq_data *data)
 {
         unsigned long flags;
@@ -301,6 +306,9 @@ idu_of_init(struct device_node *intc, struct device_node *parent)
         /* Parent interrupts (core-intc) are already mapped */
 
         for (i = 0; i < nr_irqs; i++) {
+                /* Mask all common interrupts by default */
+                idu_irq_mask_raw(i);
+
                 /*
                  * Return parent uplink IRQs (towards core intc) 24,25,.....
                  * this step has been done before already