diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c index e398cbc3d776..ed6b4df583ea 100644 --- a/arch/mips/kernel/smp-mt.c +++ b/arch/mips/kernel/smp-mt.c @@ -83,6 +83,8 @@ static unsigned int __init smvp_vpe_init(unsigned int tc, unsigned int mvpconf0, if (tc != 0) smvp_copy_vpe_config(); + cpu_data[ncpu].vpe_id = tc; + return ncpu; } @@ -114,49 +116,6 @@ static void __init smvp_tc_init(unsigned int tc, unsigned int mvpconf0) write_tc_c0_tchalt(TCHALT_H); } -static void vsmp_send_ipi_single(int cpu, unsigned int action) -{ - int i; - unsigned long flags; - int vpflags; - -#ifdef CONFIG_MIPS_GIC - if (gic_present) { - mips_smp_send_ipi_single(cpu, action); - return; - } -#endif - local_irq_save(flags); - - vpflags = dvpe(); /* can't access the other CPU's registers whilst MVPE enabled */ - - switch (action) { - case SMP_CALL_FUNCTION: - i = C_SW1; - break; - - case SMP_RESCHEDULE_YOURSELF: - default: - i = C_SW0; - break; - } - - /* 1:1 mapping of vpe and tc... */ - settc(cpu); - write_vpe_c0_cause(read_vpe_c0_cause() | i); - evpe(vpflags); - - local_irq_restore(flags); -} - -static void vsmp_send_ipi_mask(const struct cpumask *mask, unsigned int action) -{ - unsigned int i; - - for_each_cpu(i, mask) - vsmp_send_ipi_single(i, action); -} - static void vsmp_init_secondary(void) { #ifdef CONFIG_MIPS_GIC @@ -281,8 +240,8 @@ static void __init vsmp_prepare_cpus(unsigned int max_cpus) } struct plat_smp_ops vsmp_smp_ops = { - .send_ipi_single = vsmp_send_ipi_single, - .send_ipi_mask = vsmp_send_ipi_mask, + .send_ipi_single = mips_smp_send_ipi_single, + .send_ipi_mask = mips_smp_send_ipi_mask, .init_secondary = vsmp_init_secondary, .smp_finish = vsmp_smp_finish, .boot_secondary = vsmp_boot_secondary, diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index 0ddf3698b85d..33728b7af426 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -274,47 +274,6 @@ static void ltq_hw_irq_handler(struct irq_desc *desc) ltq_hw_irqdispatch(irq_desc_get_irq(desc) - 2); } -#ifdef CONFIG_MIPS_MT_SMP -void __init arch_init_ipiirq(int irq, struct irqaction *action) -{ - setup_irq(irq, action); - irq_set_handler(irq, handle_percpu_irq); -} - -static void ltq_sw0_irqdispatch(void) -{ - do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ); -} - -static void ltq_sw1_irqdispatch(void) -{ - do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ); -} -static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) -{ - scheduler_ipi(); - return IRQ_HANDLED; -} - -static irqreturn_t ipi_call_interrupt(int irq, void *dev_id) -{ - generic_smp_call_function_interrupt(); - return IRQ_HANDLED; -} - -static struct irqaction irq_resched = { - .handler = ipi_resched_interrupt, - .flags = IRQF_PERCPU, - .name = "IPI_resched" -}; - -static struct irqaction irq_call = { - .handler = ipi_call_interrupt, - .flags = IRQF_PERCPU, - .name = "IPI_call" -}; -#endif - asmlinkage void plat_irq_dispatch(void) { unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; @@ -402,17 +361,6 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent) (MAX_IM * INT_NUM_IM_OFFSET) + MIPS_CPU_IRQ_CASCADE, &irq_domain_ops, 0); -#if defined(CONFIG_MIPS_MT_SMP) - if (cpu_has_vint) { - pr_info("Setting up IPI vectored interrupts\n"); - set_vi_handler(MIPS_CPU_IPI_RESCHED_IRQ, ltq_sw0_irqdispatch); - set_vi_handler(MIPS_CPU_IPI_CALL_IRQ, ltq_sw1_irqdispatch); - } - arch_init_ipiirq(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ, - &irq_resched); - arch_init_ipiirq(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ, &irq_call); -#endif - #ifndef CONFIG_MIPS_MT_SMP set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5); diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c index cb675ec6f283..fe9bb479f2a0 100644 --- a/arch/mips/mti-malta/malta-int.c +++ b/arch/mips/mti-malta/malta-int.c @@ -145,56 +145,6 @@ static irqreturn_t corehi_handler(int irq, void *dev_id) return IRQ_HANDLED; } -#ifdef CONFIG_MIPS_MT_SMP - -#define MIPS_CPU_IPI_RESCHED_IRQ 0 /* SW int 0 for resched */ -#define C_RESCHED C_SW0 -#define MIPS_CPU_IPI_CALL_IRQ 1 /* SW int 1 for resched */ -#define C_CALL C_SW1 -static int cpu_ipi_resched_irq, cpu_ipi_call_irq; - -static void ipi_resched_dispatch(void) -{ - do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ); -} - -static void ipi_call_dispatch(void) -{ - do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ); -} - -static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) -{ -#ifdef CONFIG_MIPS_VPE_APSP_API_CMP - if (aprp_hook) - aprp_hook(); -#endif - - scheduler_ipi(); - - return IRQ_HANDLED; -} - -static irqreturn_t ipi_call_interrupt(int irq, void *dev_id) -{ - generic_smp_call_function_interrupt(); - - return IRQ_HANDLED; -} - -static struct irqaction irq_resched = { - .handler = ipi_resched_interrupt, - .flags = IRQF_PERCPU, - .name = "IPI_resched" -}; - -static struct irqaction irq_call = { - .handler = ipi_call_interrupt, - .flags = IRQF_PERCPU, - .name = "IPI_call" -}; -#endif /* CONFIG_MIPS_MT_SMP */ - static struct irqaction corehi_irqaction = { .handler = corehi_handler, .name = "CoreHi", @@ -222,12 +172,6 @@ static msc_irqmap_t msc_eicirqmap[] __initdata = { static int msc_nr_eicirqs __initdata = ARRAY_SIZE(msc_eicirqmap); -void __init arch_init_ipiirq(int irq, struct irqaction *action) -{ - setup_irq(irq, action); - irq_set_handler(irq, handle_percpu_irq); -} - void __init arch_init_irq(void) { int corehi_irq; @@ -262,30 +206,11 @@ void __init arch_init_irq(void) if (gic_present) { corehi_irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_COREHI; + } else if (cpu_has_veic) { + set_vi_handler(MSC01E_INT_COREHI, corehi_irqdispatch); + corehi_irq = MSC01E_INT_BASE + MSC01E_INT_COREHI; } else { -#if defined(CONFIG_MIPS_MT_SMP) - /* set up ipi interrupts */ - if (cpu_has_veic) { - set_vi_handler (MSC01E_INT_SW0, ipi_resched_dispatch); - set_vi_handler (MSC01E_INT_SW1, ipi_call_dispatch); - cpu_ipi_resched_irq = MSC01E_INT_SW0; - cpu_ipi_call_irq = MSC01E_INT_SW1; - } else { - cpu_ipi_resched_irq = MIPS_CPU_IRQ_BASE + - MIPS_CPU_IPI_RESCHED_IRQ; - cpu_ipi_call_irq = MIPS_CPU_IRQ_BASE + - MIPS_CPU_IPI_CALL_IRQ; - } - arch_init_ipiirq(cpu_ipi_resched_irq, &irq_resched); - arch_init_ipiirq(cpu_ipi_call_irq, &irq_call); -#endif - if (cpu_has_veic) { - set_vi_handler(MSC01E_INT_COREHI, - corehi_irqdispatch); - corehi_irq = MSC01E_INT_BASE + MSC01E_INT_COREHI; - } else { - corehi_irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_COREHI; - } + corehi_irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_COREHI; } setup_irq(corehi_irq, &corehi_irqaction);