diff options
| -rw-r--r-- | arch/powerpc/Kconfig | 10 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/irq.h | 4 |
2 files changed, 12 insertions, 2 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index c01580d86fd..3aa79f8e39e 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -56,6 +56,16 @@ config IRQ_PER_CPU bool default y +config NR_IRQS + int "Number of virtual interrupt numbers" + range 32 512 + default "512" + help + This defines the number of virtual interrupt numbers the kernel + can manage. Virtual interrupt numbers are what you see in + /proc/interrupts. If you configure your system to have too few, + drivers will fail to load or worse - handle with care. + config STACKTRACE_SUPPORT bool default y diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index bbcd1aaf3df..b83fcc81fae 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -34,8 +34,8 @@ extern atomic_t ppc_n_lost_interrupts; */ #define NO_IRQ_IGNORE ((unsigned int)-1) -/* Total number of virq in the platform (make it a CONFIG_* option ? */ -#define NR_IRQS 512 +/* Total number of virq in the platform */ +#define NR_IRQS CONFIG_NR_IRQS /* Number of irqs reserved for the legacy controller */ #define NUM_ISA_INTERRUPTS 16 |