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authorThomas Gleixner <tglx@linutronix.de>2010-09-27 20:55:03 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-10-12 16:39:08 +0200
commitb683de2b3cb17bb10fa6fd4af614dc75b5749fe0 (patch)
treee1a799293b218f5c13d4903c57fab144b2f433b3 /include/linux/irq.h
parentgenirq: Use sane sparse allocator (diff)
downloadlinux-dev-b683de2b3cb17bb10fa6fd4af614dc75b5749fe0.tar.xz
linux-dev-b683de2b3cb17bb10fa6fd4af614dc75b5749fe0.zip
genirq: Query arch for number of early descriptors
sparse irq sets up NR_IRQS_LEGACY irq descriptors and archs then go ahead and allocate more. Use the unused return value of arch_probe_nr_irqs() to let the architecture return the number of early allocations. Fix up all users. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/irq.h')
-rw-r--r--include/linux/irq.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 096b74d5d0d7..ef878823ee3b 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -214,6 +214,10 @@ struct irq_chip {
*/
#include <asm/hw_irq.h>
+#ifndef NR_IRQS_LEGACY
+# define NR_IRQS_LEGACY 0
+#endif
+
#ifndef ARCH_IRQ_INIT_FLAGS
# define ARCH_IRQ_INIT_FLAGS 0
#endif