diff options
| -rw-r--r-- | include/linux/irq.h | 4 | ||||
| -rw-r--r-- | kernel/irq/Kconfig | 4 | ||||
| -rw-r--r-- | kernel/irq/irqdesc.c | 7 |
3 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index 2110f46fcafa..8ff71d14365a 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -637,6 +637,10 @@ int arch_setup_hwirq(unsigned int irq, int node); void arch_teardown_hwirq(unsigned int irq); #endif +#ifdef CONFIG_GENERIC_IRQ_LEGACY +void irq_init_desc(unsigned int irq); +#endif + #ifndef irq_reg_writel # define irq_reg_writel(val, addr) writel(val, addr) #endif diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig index a83f10e406c1..d269cecdfbf0 100644 --- a/kernel/irq/Kconfig +++ b/kernel/irq/Kconfig @@ -5,6 +5,10 @@ menu "IRQ subsystem" config MAY_HAVE_SPARSE_IRQ bool +# Legacy support, required for itanic +config GENERIC_IRQ_LEGACY + bool + # Enable the generic irq autoprobe mechanism config GENERIC_IRQ_PROBE bool diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index d514ed6080e1..7f267799a717 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -306,6 +306,13 @@ void irq_mark_irq(unsigned int irq) mutex_unlock(&sparse_irq_lock); } +#ifdef CONFIG_GENERIC_IRQ_LEGACY +void irq_init_desc(unsigned int irq) +{ + dynamic_irq_cleanup(irq); +} +#endif + #endif /* !CONFIG_SPARSE_IRQ */ /** |