Messages in this thread Patch in this message | | | From | Mark Brown <> | Subject | [PATCH] asm-generic: Raise default NR_IRQS when using sparse IRQs | Date | Mon, 29 Nov 2010 19:17:32 +0000 |
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Rather than have each platform using sparse IRQs pick a suitably large NR_IRQS for use with sparse IRQs make the default high when they are enabled. We pick 64k as there is still a bitmap of IRQs that is allocated statically, and as we all know 64k should be enough for anyone.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> --- include/asm-generic/irq.h | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/include/asm-generic/irq.h b/include/asm-generic/irq.h index b90ec0b..0d95650 100644 --- a/include/asm-generic/irq.h +++ b/include/asm-generic/irq.h @@ -4,11 +4,15 @@ /* * NR_IRQS is the upper bound of how many interrupts can be handled * in the platform. It is used to size the static irq_map array, - * so don't make it too big. + * so don't make it too big unless we're using sparse IRQs. */ #ifndef NR_IRQS +#ifdef CONFIG_SPARSE_IRQ +#define NR_IRQS 0xffff +#else #define NR_IRQS 64 #endif +#endif static inline int irq_canonicalize(int irq) { -- 1.7.1
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