[GIT pull] irq fixes for 3.13

From: Thomas Gleixner
Date: Mon Dec 02 2013 - 10:05:18 EST


Linus,

please pull the latest irq-urgent-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq-urgent-for-linus

* Correction of fuzzy and fragile IRQ_RETVAL macro
* IRQ related resume fix affecting only XEN
* ARM/GIC fix for chained GIC controllers

Thanks,

tglx

------------------>
Geert Uytterhoeven (1):
genirq: Correct fuzzy and fragile IRQ_RETVAL() definition

Laxman Dewangan (1):
irq: Enable all irqs unconditionally in irq_resume

Mark Rutland (1):
irqchip: Gic: fix boot for chained gics


drivers/irqchip/irq-gic.c | 9 +++++----
include/linux/irqreturn.h | 2 +-
kernel/irq/pm.c | 2 +-
3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index d0e9480..e219a5bf 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -814,12 +814,13 @@ void __init gic_init_bases(unsigned int gic_nr, int irq_start,
if (WARN_ON(!gic->domain))
return;

+ if (gic_nr == 0) {
#ifdef CONFIG_SMP
- set_smp_cross_call(gic_raise_softirq);
- register_cpu_notifier(&gic_cpu_notifier);
+ set_smp_cross_call(gic_raise_softirq);
+ register_cpu_notifier(&gic_cpu_notifier);
#endif
-
- set_handle_irq(gic_handle_irq);
+ set_handle_irq(gic_handle_irq);
+ }

gic_chip.flags |= gic_arch_extn.flags;
gic_dist_init(gic);
diff --git a/include/linux/irqreturn.h b/include/linux/irqreturn.h
index 714ba08..e374e36 100644
--- a/include/linux/irqreturn.h
+++ b/include/linux/irqreturn.h
@@ -14,6 +14,6 @@ enum irqreturn {
};

typedef enum irqreturn irqreturn_t;
-#define IRQ_RETVAL(x) ((x) != IRQ_NONE)
+#define IRQ_RETVAL(x) ((x) ? IRQ_HANDLED : IRQ_NONE)

#endif
diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c
index cb228bf..abcd6ca 100644
--- a/kernel/irq/pm.c
+++ b/kernel/irq/pm.c
@@ -50,7 +50,7 @@ static void resume_irqs(bool want_early)
bool is_early = desc->action &&
desc->action->flags & IRQF_EARLY_RESUME;

- if (is_early != want_early)
+ if (!is_early && want_early)
continue;

raw_spin_lock_irqsave(&desc->lock, flags);
--
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