genirq: Move wakeup state to irq_data

Some irq_chips need to know the state of wakeup mode for
setting the trigger type etc. Reflect it in irq_data state.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

4 files changed, 11 insertions, 5 deletions

diff --git a/include/linux/irq.h b/include/linux/irq.h
index ef6b66dc9d03..94c8f5bb548f 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -168,6 +168,8 @@ struct irq_data {
  * IRQD_PER_CPU                 - Interrupt is per cpu
  * IRQD_AFFINITY_SET            - Interrupt affinity was set
  * IRQD_LEVEL                   - Interrupt is level triggered
+ * IRQD_WAKEUP_STATE            - Interrupt is configured for wakeup
+ *                                from suspend
  */
 enum {
         IRQD_TRIGGER_MASK               = 0xf,
@@ -176,6 +178,7 @@ enum {
         IRQD_PER_CPU                    = (1 << 11),
         IRQD_AFFINITY_SET               = (1 << 12),
         IRQD_LEVEL                      = (1 << 13),
+        IRQD_WAKEUP_STATE               = (1 << 14),
 };
 
 static inline bool irqd_is_setaffinity_pending(struct irq_data *d)
@@ -217,6 +220,11 @@ static inline bool irqd_is_level_type(struct irq_data *d)
         return d->state_use_accessors & IRQD_LEVEL;
 }
 
+static inline bool irqd_is_wakeup_set(struct irq_data *d)
+{
+        return d->state_use_accessors & IRQD_WAKEUP_STATE;
+}
+
 /**
  * struct irq_chip - hardware interrupt chip descriptor
  *
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 1d500fbde0d4..5e2366da9f38 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -46,7 +46,6 @@ enum {
  * IRQS_PENDING                 - irq is pending and replayed later
  * IRQS_MASKED                  - irq is masked
  * IRQS_SUSPENDED               - irq is suspended
- * IRQS_WAKEUP                  - irq triggers system wakeup from suspend
  */
 enum {
         IRQS_AUTODETECT         = 0x00000001,
@@ -60,7 +59,6 @@ enum {
         IRQS_PENDING            = 0x00000200,
         IRQS_MASKED             = 0x00000400,
         IRQS_SUSPENDED          = 0x00000800,
-        IRQS_WAKEUP             = 0x00001000,
 };
 
 #include "compat.h"
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 50809c79c7ad..ea6add6036b1 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -492,7 +492,7 @@ int irq_set_irq_wake(unsigned int irq, unsigned int on)
                         if (ret)
                                 desc->wake_depth = 0;
                         else
-                                desc->istate |= IRQS_WAKEUP;
+                                irqd_set(&desc->irq_data, IRQD_WAKEUP_STATE);
                 }
         } else {
                 if (desc->wake_depth == 0) {
@@ -502,7 +502,7 @@ int irq_set_irq_wake(unsigned int irq, unsigned int on)
                         if (ret)
                                 desc->wake_depth = 1;
                         else
-                                desc->istate &= ~IRQS_WAKEUP;
+                                irqd_clear(&desc->irq_data, IRQD_WAKEUP_STATE);
                 }
         }
 
diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c
index f39383d8672d..1329f0eff49e 100644
--- a/kernel/irq/pm.c
+++ b/kernel/irq/pm.c
@@ -69,7 +69,7 @@ int check_wakeup_irqs(void)
         int irq;
 
         for_each_irq_desc(irq, desc)
-                if ((desc->istate & IRQS_WAKEUP) &&
+                if (irqd_is_wakeup_set(&desc->irq_data) &&
                     (desc->istate & IRQS_PENDING))
                         return -EBUSY;