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authorThomas Gleixner <tglx@linutronix.de>2014-08-28 13:44:31 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-09-01 15:48:05 +0400
commitcab303be91dc47942bc25de33dc1140123540800 (patch)
treefdfec3ef37665af47af9010419e8f1c2236b0e0f /include/linux/irqdesc.h
parent8df2e02c5c4de9e65ee60153dd9c442356534ad9 (diff)
downloadlinux-cab303be91dc47942bc25de33dc1140123540800.tar.xz
genirq: Add sanity checks for PM options on shared interrupt lines
Account the IRQF_NO_SUSPEND and IRQF_RESUME_EARLY actions on shared interrupt lines and yell loudly if there is a mismatch. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/irqdesc.h')
-rw-r--r--include/linux/irqdesc.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 472c021a2d4f..cb1a31e448ae 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -36,6 +36,11 @@ struct irq_desc;
* @threads_oneshot: bitfield to handle shared oneshot threads
* @threads_active: number of irqaction threads currently running
* @wait_for_threads: wait queue for sync_irq to wait for threaded handlers
+ * @nr_actions: number of installed actions on this descriptor
+ * @no_suspend_depth: number of irqactions on a irq descriptor with
+ * IRQF_NO_SUSPEND set
+ * @force_resume_depth: number of irqactions on a irq descriptor with
+ * IRQF_FORCE_RESUME set
* @dir: /proc/irq/ procfs entry
* @name: flow handler name for /proc/interrupts output
*/
@@ -68,6 +73,11 @@ struct irq_desc {
unsigned long threads_oneshot;
atomic_t threads_active;
wait_queue_head_t wait_for_threads;
+#ifdef CONFIG_PM_SLEEP
+ unsigned int nr_actions;
+ unsigned int no_suspend_depth;
+ unsigned int force_resume_depth;
+#endif
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *dir;
#endif