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authorThomas Gleixner <tglx@linutronix.de>2014-08-28 11:44:31 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-09-01 13:48:05 +0200
commitcab303be91dc47942bc25de33dc1140123540800 (patch)
treefdfec3ef37665af47af9010419e8f1c2236b0e0f /kernel/irq/manage.c
parent8df2e02c5c4de9e65ee60153dd9c442356534ad9 (diff)
downloadlinux-cab303be91dc47942bc25de33dc1140123540800.tar.bz2
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 'kernel/irq/manage.c')
-rw-r--r--kernel/irq/manage.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index fa564e8db996..0a9104b4608b 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1200,6 +1200,8 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
new->irq = irq;
*old_ptr = new;
+ irq_pm_install_action(desc, new);
+
/* Reset broken irq detection when installing new handler */
desc->irq_count = 0;
desc->irqs_unhandled = 0;
@@ -1318,6 +1320,8 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
/* Found it - now remove it from the list of entries: */
*action_ptr = action->next;
+ irq_pm_remove_action(desc, action);
+
/* If this was the last handler, shut down the IRQ line: */
if (!desc->action) {
irq_shutdown(desc);