diff options
| -rw-r--r-- | arch/mips/include/asm/smp-ops.h | 5 | ||||
| -rw-r--r-- | arch/mips/kernel/smp-cmp.c | 4 | ||||
| -rw-r--r-- | arch/mips/kernel/smp-cps.c | 4 | ||||
| -rw-r--r-- | arch/mips/kernel/smp-mt.c | 2 | ||||
| -rw-r--r-- | drivers/irqchip/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/irqchip/irq-mips-gic.c | 86 | ||||
| -rw-r--r-- | include/linux/irqchip/mips-gic.h | 3 |
7 files changed, 14 insertions, 91 deletions
diff --git a/arch/mips/include/asm/smp-ops.h b/arch/mips/include/asm/smp-ops.h index 6ba1fb8..db7c322 100644 --- a/arch/mips/include/asm/smp-ops.h +++ b/arch/mips/include/asm/smp-ops.h @@ -44,8 +44,9 @@ static inline void plat_smp_setup(void) mp_ops->smp_setup(); } -extern void gic_send_ipi_single(int cpu, unsigned int action); -extern void gic_send_ipi_mask(const struct cpumask *mask, unsigned int action); +extern void mips_smp_send_ipi_single(int cpu, unsigned int action); +extern void mips_smp_send_ipi_mask(const struct cpumask *mask, + unsigned int action); #else /* !CONFIG_SMP */ diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c index d5e0f94..7692334 100644 --- a/arch/mips/kernel/smp-cmp.c +++ b/arch/mips/kernel/smp-cmp.c @@ -149,8 +149,8 @@ void __init cmp_prepare_cpus(unsigned int max_cpus) } struct plat_smp_ops cmp_smp_ops = { - .send_ipi_single = gic_send_ipi_single, - .send_ipi_mask = gic_send_ipi_mask, + .send_ipi_single = mips_smp_send_ipi_single, + .send_ipi_mask = mips_smp_send_ipi_mask, .init_secondary = cmp_init_secondary, .smp_finish = cmp_smp_finish, .boot_secondary = cmp_boot_secondary, diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c index 2ad4e4c..253e140 100644 --- a/arch/mips/kernel/smp-cps.c +++ b/arch/mips/kernel/smp-cps.c @@ -472,8 +472,8 @@ static struct plat_smp_ops cps_smp_ops = { .boot_secondary = cps_boot_secondary, .init_secondary = cps_init_secondary, .smp_finish = cps_smp_finish, - .send_ipi_single = gic_send_ipi_single, - .send_ipi_mask = gic_send_ipi_mask, + .send_ipi_single = mips_smp_send_ipi_single, + .send_ipi_mask = mips_smp_send_ipi_mask, #ifdef CONFIG_HOTPLUG_CPU .cpu_disable = cps_cpu_disable, .cpu_die = cps_cpu_die, diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c index 86311a1..4f9570a 100644 --- a/arch/mips/kernel/smp-mt.c +++ b/arch/mips/kernel/smp-mt.c @@ -121,7 +121,7 @@ static void vsmp_send_ipi_single(int cpu, unsigned int action) #ifdef CONFIG_MIPS_GIC if (gic_present) { - gic_send_ipi_single(cpu, action); + mips_smp_send_ipi_single(cpu, action); return; } #endif diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 71e648a..00bbec6 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -209,6 +209,7 @@ config KEYSTONE_IRQ config MIPS_GIC bool + select GENERIC_IRQ_IPI select IRQ_DOMAIN_HIERARCHY select MIPS_CM diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 83395bf8..37831a5 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -280,9 +280,11 @@ static void gic_bind_eic_interrupt(int irq, int set) GIC_VPE_EIC_SS(irq), set); } -void gic_send_ipi(unsigned int intr) +static void gic_send_ipi(struct irq_data *d, unsigned int cpu) { - gic_write(GIC_REG(SHARED, GIC_SH_WEDGE), GIC_SH_WEDGE_SET(intr)); + irq_hw_number_t hwirq = GIC_HWIRQ_TO_SHARED(irqd_to_hwirq(d)); + + gic_write(GIC_REG(SHARED, GIC_SH_WEDGE), GIC_SH_WEDGE_SET(hwirq)); } int gic_get_c0_compare_int(void) @@ -495,6 +497,7 @@ static struct irq_chip gic_edge_irq_controller = { #ifdef CONFIG_SMP .irq_set_affinity = gic_set_affinity, #endif + .ipi_send_single = gic_send_ipi, }; static void gic_handle_local_int(bool chained) @@ -588,83 +591,6 @@ static void gic_irq_dispatch(struct irq_desc *desc) gic_handle_shared_int(true); } -#ifdef CONFIG_MIPS_GIC_IPI -static int gic_resched_int_base; -static int gic_call_int_base; - -unsigned int plat_ipi_resched_int_xlate(unsigned int cpu) -{ - return gic_resched_int_base + cpu; -} - -unsigned int plat_ipi_call_int_xlate(unsigned int cpu) -{ - return gic_call_int_base + cpu; -} - -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" -}; - -static __init void gic_ipi_init_one(unsigned int intr, int cpu, - struct irqaction *action) -{ - int virq = irq_create_mapping(gic_irq_domain, - GIC_SHARED_TO_HWIRQ(intr)); - int i; - - gic_map_to_vpe(intr, mips_cm_vp_id(cpu)); - for (i = 0; i < NR_CPUS; i++) - clear_bit(intr, pcpu_masks[i].pcpu_mask); - set_bit(intr, pcpu_masks[cpu].pcpu_mask); - - irq_set_irq_type(virq, IRQ_TYPE_EDGE_RISING); - - irq_set_handler(virq, handle_percpu_irq); - setup_irq(virq, action); -} - -static __init void gic_ipi_init(void) -{ - int i; - - /* Use last 2 * NR_CPUS interrupts as IPIs */ - gic_resched_int_base = gic_shared_intrs - nr_cpu_ids; - gic_call_int_base = gic_resched_int_base - nr_cpu_ids; - - for (i = 0; i < nr_cpu_ids; i++) { - gic_ipi_init_one(gic_call_int_base + i, i, &irq_call); - gic_ipi_init_one(gic_resched_int_base + i, i, &irq_resched); - } -} -#else -static inline void gic_ipi_init(void) -{ -} -#endif - static void __init gic_basic_init(void) { unsigned int i; @@ -1105,8 +1031,6 @@ static void __init __gic_init(unsigned long gic_base_addr, bitmap_set(ipi_resrv, gic_shared_intrs - 2 * gic_vpes, 2 * gic_vpes); gic_basic_init(); - - gic_ipi_init(); } void __init gic_init(unsigned long gic_base_addr, diff --git a/include/linux/irqchip/mips-gic.h b/include/linux/irqchip/mips-gic.h index ce824db..80f89e4 100644 --- a/include/linux/irqchip/mips-gic.h +++ b/include/linux/irqchip/mips-gic.h @@ -261,9 +261,6 @@ extern void gic_write_compare(cycle_t cnt); extern void gic_write_cpu_compare(cycle_t cnt, int cpu); extern void gic_start_count(void); extern void gic_stop_count(void); -extern void gic_send_ipi(unsigned int intr); -extern unsigned int plat_ipi_call_int_xlate(unsigned int); -extern unsigned int plat_ipi_resched_int_xlate(unsigned int); extern int gic_get_c0_compare_int(void); extern int gic_get_c0_perfcount_int(void); extern int gic_get_c0_fdc_int(void); |
