3 files changed, 12 insertions, 2 deletions

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 5d876c9b3a3..8649b0fb9da 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -174,6 +174,8 @@ struct irq_data {
  *                                from suspend
  * IRDQ_MOVE_PCNTXT             - Interrupt can be moved in process
  *                                context
+ * IRQD_IRQ_DISABLED            - Some chip function need to know the
+ *                                disabled state.
  */
 enum {
         IRQD_TRIGGER_MASK               = 0xf,
@@ -184,6 +186,7 @@ enum {
         IRQD_LEVEL                      = (1 << 13),
         IRQD_WAKEUP_STATE               = (1 << 14),
         IRQD_MOVE_PCNTXT                = (1 << 15),
+        IRQD_IRQ_DISABLED               = (1 << 16),
 };
 
 static inline bool irqd_is_setaffinity_pending(struct irq_data *d)
@@ -235,6 +238,11 @@ static inline bool irqd_can_move_in_process_context(struct irq_data *d)
         return d->state_use_accessors & IRQD_MOVE_PCNTXT;
 }
 
+static inline bool irqd_irq_disabled(struct irq_data *d)
+{
+        return d->state_use_accessors & IRQD_IRQ_DISABLED;
+}
+
 /**
  * struct irq_chip - hardware interrupt chip descriptor
  *
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index c35d74c08b5..0a890bdd9c6 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -141,12 +141,14 @@ EXPORT_SYMBOL_GPL(irq_get_irq_data);
 static void irq_state_clr_disabled(struct irq_desc *desc)
 {
         desc->istate &= ~IRQS_DISABLED;
+        irqd_clear(&desc->irq_data, IRQD_IRQ_DISABLED);
         irq_compat_clr_disabled(desc);
 }
 
 static void irq_state_set_disabled(struct irq_desc *desc)
 {
         desc->istate |= IRQS_DISABLED;
+        irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED);
         irq_compat_set_disabled(desc);
 }
 
@@ -648,8 +650,7 @@ __irq_set_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
         if (handle == handle_bad_irq) {
                 if (desc->irq_data.chip != &no_irq_chip)
                         mask_ack_irq(desc);
-                irq_compat_set_disabled(desc);
-                desc->istate |= IRQS_DISABLED;
+                irq_state_set_disabled(desc);
                 desc->depth = 1;
         }
         desc->handle_irq = handle;
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 6fb014f172f..96c3268a509 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -80,6 +80,7 @@ static void desc_set_defaults(unsigned int irq, struct irq_desc *desc, int node)
         desc->irq_data.handler_data = NULL;
         desc->irq_data.msi_desc = NULL;
         irq_settings_clr_and_set(desc, ~0, _IRQ_DEFAULT_INIT_FLAGS);
+        irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED);
         desc->istate = IRQS_DISABLED;
         desc->handle_irq = handle_bad_irq;
         desc->depth = 1;