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authorThomas Gleixner <tglx@linutronix.de>2011-03-27 13:02:49 +0400
committerThomas Gleixner <tglx@linutronix.de>2011-03-27 19:45:58 +0400
commit801a0e9ae36e9b487092e31699d28c0b9a21ad52 (patch)
treec448d150797272b09417f5410e7570742e59368b /include
parentd72274e5895d11570a0a4a3214a1933c86d5ccb7 (diff)
downloadlinux-801a0e9ae36e9b487092e31699d28c0b9a21ad52.tar.xz
genirq: Add irq disabled flag to irq_data state
Some irq_chip implementation require to know the disabled state of the interrupt in certain callbacks. Add a state flag and accessor to irq_data. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/irq.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 5d876c9b3a3d..8649b0fb9daf 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
*