From d6a2639b887fcf90b422caccca4aee216bd1120e Mon Sep 17 00:00:00 2001 From: Meador Inge Date: Mon, 14 Mar 2011 10:01:07 +0000 Subject: powerpc: Factoring mpic cpu id fetching into a function The following code snippet: unsigned int cpu = 0; if (mpic->flags & MPIC_PRIMARY) cpu = hard_smp_processor_id(); is seen in several places in the 'mpic.c' code. This changeset factors that pattern out into a helper function called 'mpic_processor_id'. Signed-off-by: Meador Inge Cc: Benjamin Herrenschmidt Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/sysdev/mpic.c | 31 ++++++++++++++----------------- 1 file changed, 14 insertions(+), 17 deletions(-) (limited to 'arch') diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 3bf71035ff50..0f7c6718d261 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -147,6 +147,16 @@ static u32 mpic_infos[][MPIC_IDX_END] = { #endif /* CONFIG_MPIC_WEIRD */ +static inline unsigned int mpic_processor_id(struct mpic *mpic) +{ + unsigned int cpu = 0; + + if (mpic->flags & MPIC_PRIMARY) + cpu = hard_smp_processor_id(); + + return cpu; +} + /* * Register accessor functions */ @@ -210,19 +220,14 @@ static inline void _mpic_ipi_write(struct mpic *mpic, unsigned int ipi, u32 valu static inline u32 _mpic_cpu_read(struct mpic *mpic, unsigned int reg) { - unsigned int cpu = 0; + unsigned int cpu = mpic_processor_id(mpic); - if (mpic->flags & MPIC_PRIMARY) - cpu = hard_smp_processor_id(); return _mpic_read(mpic->reg_type, &mpic->cpuregs[cpu], reg); } static inline void _mpic_cpu_write(struct mpic *mpic, unsigned int reg, u32 value) { - unsigned int cpu = 0; - - if (mpic->flags & MPIC_PRIMARY) - cpu = hard_smp_processor_id(); + unsigned int cpu = mpic_processor_id(mpic); _mpic_write(mpic->reg_type, &mpic->cpuregs[cpu], reg, value); } @@ -1012,13 +1017,8 @@ static int mpic_host_map(struct irq_host *h, unsigned int virq, * is done here. */ if (!mpic_is_ipi(mpic, hw) && (mpic->flags & MPIC_NO_RESET)) { - unsigned int cpu = 0; - - if (mpic->flags & MPIC_PRIMARY) - cpu = hard_smp_processor_id(); - mpic_set_vector(virq, hw); - mpic_set_destination(virq, cpu); + mpic_set_destination(virq, mpic_processor_id(mpic)); mpic_irq_set_priority(virq, 8); } @@ -1362,10 +1362,7 @@ void __init mpic_init(struct mpic *mpic) mpic_pasemi_msi_init(mpic); - if (mpic->flags & MPIC_PRIMARY) - cpu = hard_smp_processor_id(); - else - cpu = 0; + cpu = mpic_processor_id(mpic); if (!(mpic->flags & MPIC_NO_RESET)) { for (i = 0; i < mpic->num_sources; i++) { -- cgit v1.2.3