diff options
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 0fe38e3c5757..2e055e13685a 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -52,6 +52,7 @@ #include <linux/of_irq.h> #include <linux/vmalloc.h> #include <linux/pgtable.h> +#include <linux/static_call.h> #include <linux/uaccess.h> #include <asm/interrupt.h> @@ -729,6 +730,8 @@ static __always_inline void call_do_irq(struct pt_regs *regs, void *sp) ); } +DEFINE_STATIC_CALL_RET0(ppc_get_irq, *ppc_md.get_irq); + void __do_irq(struct pt_regs *regs) { unsigned int irq; @@ -740,7 +743,7 @@ void __do_irq(struct pt_regs *regs) * * This will typically lower the interrupt line to the CPU */ - irq = ppc_md.get_irq(); + irq = static_call(ppc_get_irq)(); /* We can hard enable interrupts now to allow perf interrupts */ if (should_hard_irq_enable()) @@ -808,6 +811,9 @@ void __init init_IRQ(void) if (ppc_md.init_IRQ) ppc_md.init_IRQ(); + + if (!WARN_ON(!ppc_md.get_irq)) + static_call_update(ppc_get_irq, ppc_md.get_irq); } #ifdef CONFIG_BOOKE_OR_40x |