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authorThomas Gleixner <tglx@linutronix.de>2014-08-28 11:49:28 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-09-01 13:47:57 +0200
commit8df2e02c5c4de9e65ee60153dd9c442356534ad9 (patch)
treeb4080a4efddd018fac2bd4aa57c8c6ced8b6f0b4 /kernel/irq/manage.c
parent068765ba7987e73d4381edfe47b70aa121c7155c (diff)
genirq: Move suspend/resume logic into irq/pm code
No functional change. Preparatory patch for cleaning up the suspend abort functionality. Update the comments while at it. 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.c28
1 files changed, 5 insertions, 23 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 3dc6a61bf06a..fa564e8db996 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -382,14 +382,8 @@ setup_affinity(unsigned int irq, struct irq_desc *desc, struct cpumask *mask)
}
#endif
-void __disable_irq(struct irq_desc *desc, unsigned int irq, bool suspend)
+void __disable_irq(struct irq_desc *desc, unsigned int irq)
{
- if (suspend) {
- if (!desc->action || (desc->action->flags & IRQF_NO_SUSPEND))
- return;
- desc->istate |= IRQS_SUSPENDED;
- }
-
if (!desc->depth++)
irq_disable(desc);
}
@@ -401,7 +395,7 @@ static int __disable_irq_nosync(unsigned int irq)
if (!desc)
return -EINVAL;
- __disable_irq(desc, irq, false);
+ __disable_irq(desc, irq);
irq_put_desc_busunlock(desc, flags);
return 0;
}
@@ -442,20 +436,8 @@ void disable_irq(unsigned int irq)
}
EXPORT_SYMBOL(disable_irq);
-void __enable_irq(struct irq_desc *desc, unsigned int irq, bool resume)
+void __enable_irq(struct irq_desc *desc, unsigned int irq)
{
- if (resume) {
- if (!(desc->istate & IRQS_SUSPENDED)) {
- if (!desc->action)
- return;
- if (!(desc->action->flags & IRQF_FORCE_RESUME))
- return;
- /* Pretend that it got disabled ! */
- desc->depth++;
- }
- desc->istate &= ~IRQS_SUSPENDED;
- }
-
switch (desc->depth) {
case 0:
err_out:
@@ -497,7 +479,7 @@ void enable_irq(unsigned int irq)
KERN_ERR "enable_irq before setup/request_irq: irq %u\n", irq))
goto out;
- __enable_irq(desc, irq, false);
+ __enable_irq(desc, irq);
out:
irq_put_desc_busunlock(desc, flags);
}
@@ -1228,7 +1210,7 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
*/
if (shared && (desc->istate & IRQS_SPURIOUS_DISABLED)) {
desc->istate &= ~IRQS_SPURIOUS_DISABLED;
- __enable_irq(desc, irq, false);
+ __enable_irq(desc, irq);
}
raw_spin_unlock_irqrestore(&desc->lock, flags);