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genirq: Query arch for number of early descriptors

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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>
This commit is contained in:
Thomas Gleixner 2010-09-27 20:55:03 +02:00
parent aa99ec0f3f
commit b683de2b3c
6 changed files with 16 additions and 12 deletions
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4
include/linux/irq.h
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@ -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