diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
| commit | e219aafe50fd546b8686582ddbafd24c3c2eda04 (patch) | |
| tree | a665e08ca8d42f20ac8e5dcc8565d666cffb26bd /arch/arc/kernel/irq.c | |
| parent | ffe12855a5f7f195589130197558e6a5c276caa4 (diff) | |
| parent | 24c96dc79c5e76d3cff7a33f955a4d3244644766 (diff) | |
Merge back earlier 'pm-domains' material for v4.5.
Diffstat (limited to 'arch/arc/kernel/irq.c')
| -rw-r--r-- | arch/arc/kernel/irq.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c index 2989a7bcf8a8..2ee226546c6a 100644 --- a/arch/arc/kernel/irq.c +++ b/arch/arc/kernel/irq.c @@ -10,6 +10,7 @@ #include <linux/interrupt.h> #include <linux/irqchip.h> #include <asm/mach_desc.h> +#include <asm/smp.h> /* * Late Interrupt system init called from start_kernel for Boot CPU only @@ -19,17 +20,20 @@ */ void __init init_IRQ(void) { - /* Any external intc can be setup here */ - if (machine_desc->init_irq) - machine_desc->init_irq(); - - /* process the entire interrupt tree in one go */ + /* + * process the entire interrupt tree in one go + * Any external intc will be setup provided DT chains them + * properly + */ irqchip_init(); #ifdef CONFIG_SMP - /* Master CPU can initialize it's side of IPI */ - if (machine_desc->init_smp) - machine_desc->init_smp(smp_processor_id()); + /* a SMP H/w block could do IPI IRQ request here */ + if (plat_smp_ops.init_irq_cpu) + plat_smp_ops.init_irq_cpu(smp_processor_id()); + + if (machine_desc->init_cpu_smp) + machine_desc->init_cpu_smp(smp_processor_id()); #endif } |