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Subject[GIT pull] genirq updates for 2.6.37
Linus,

Please pull the latest irq-core-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git irq-core-for-linus

Thanks,

tglx

------------------>
Paul Mundt (2):
genirq: Add single IRQ reservation helper
genirq: Fix up irq_node() for irq_data changes.

Thomas Gleixner (1):
genirq: Warn if enable_irq is called before irq is set up


include/linux/irq.h | 5 +++++
include/linux/irqnr.h | 2 +-
kernel/irq/manage.c | 4 ++++
3 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index e963911..abde252 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -412,6 +412,11 @@ static inline void irq_free_desc(unsigned int irq)
irq_free_descs(irq, 1);
}

+static inline int irq_reserve_irq(unsigned int irq)
+{
+ return irq_reserve_irqs(irq, 1);
+}
+
#endif /* CONFIG_GENERIC_HARDIRQS */

#endif /* !CONFIG_S390 */
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
index 05aa8c23..3bc4dca 100644
--- a/include/linux/irqnr.h
+++ b/include/linux/irqnr.h
@@ -43,7 +43,7 @@ unsigned int irq_get_next_irq(unsigned int offset);
else

#ifdef CONFIG_SMP
-#define irq_node(irq) (irq_to_desc(irq)->node)
+#define irq_node(irq) (irq_get_irq_data(irq)->node)
#else
#define irq_node(irq) 0
#endif
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 644e8d5..5f92acc 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -324,6 +324,10 @@ void enable_irq(unsigned int irq)
if (!desc)
return;

+ if (WARN(!desc->irq_data.chip || !desc->irq_data.chip->irq_enable,
+ KERN_ERR "enable_irq before setup/request_irq: irq %u\n", irq))
+ return;
+
chip_bus_lock(desc);
raw_spin_lock_irqsave(&desc->lock, flags);
__enable_irq(desc, irq, false);

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