diff options
Diffstat (limited to 'arch/mips/netlogic/common/irq.c')
-rw-r--r-- | arch/mips/netlogic/common/irq.c | 41 |
1 files changed, 14 insertions, 27 deletions
diff --git a/arch/mips/netlogic/common/irq.c b/arch/mips/netlogic/common/irq.c index 780832e391f..9f84c60bf53 100644 --- a/arch/mips/netlogic/common/irq.c +++ b/arch/mips/netlogic/common/irq.c @@ -105,21 +105,23 @@ static void xlp_pic_disable(struct irq_data *d) static void xlp_pic_mask_ack(struct irq_data *d) { struct nlm_pic_irq *pd = irq_data_get_irq_handler_data(d); - uint64_t mask = 1ull << pd->picirq; - write_c0_eirr(mask); /* ack by writing EIRR */ + clear_c0_eimr(pd->picirq); + ack_c0_eirr(pd->picirq); } static void xlp_pic_unmask(struct irq_data *d) { struct nlm_pic_irq *pd = irq_data_get_irq_handler_data(d); - if (!pd) - return; + BUG_ON(!pd); if (pd->extra_ack) pd->extra_ack(d); + /* re-enable the intr on this cpu */ + set_c0_eimr(pd->picirq); + /* Ack is a single write, no need to lock */ nlm_pic_ack(pd->node->picbase, pd->irt); } @@ -134,32 +136,17 @@ static struct irq_chip xlp_pic = { static void cpuintr_disable(struct irq_data *d) { - uint64_t eimr; - uint64_t mask = 1ull << d->irq; - - eimr = read_c0_eimr(); - write_c0_eimr(eimr & ~mask); + clear_c0_eimr(d->irq); } static void cpuintr_enable(struct irq_data *d) { - uint64_t eimr; - uint64_t mask = 1ull << d->irq; - - eimr = read_c0_eimr(); - write_c0_eimr(eimr | mask); + set_c0_eimr(d->irq); } static void cpuintr_ack(struct irq_data *d) { - uint64_t mask = 1ull << d->irq; - - write_c0_eirr(mask); -} - -static void cpuintr_nop(struct irq_data *d) -{ - WARN(d->irq >= PIC_IRQ_BASE, "Bad irq %d", d->irq); + ack_c0_eirr(d->irq); } /* @@ -170,9 +157,9 @@ struct irq_chip nlm_cpu_intr = { .name = "XLP-CPU-INTR", .irq_enable = cpuintr_enable, .irq_disable = cpuintr_disable, - .irq_mask = cpuintr_nop, - .irq_ack = cpuintr_nop, - .irq_eoi = cpuintr_ack, + .irq_mask = cpuintr_disable, + .irq_ack = cpuintr_ack, + .irq_eoi = cpuintr_enable, }; static void __init nlm_init_percpu_irqs(void) @@ -230,7 +217,7 @@ static void nlm_init_node_irqs(int node) nlm_setup_pic_irq(node, i, i, irt); /* set interrupts to first cpu in node */ nlm_pic_init_irt(nodep->picbase, irt, i, - node * NLM_CPUS_PER_NODE); + node * NLM_CPUS_PER_NODE, 0); irqmask |= (1ull << i); } nodep->irqmask = irqmask; @@ -265,7 +252,7 @@ asmlinkage void plat_irq_dispatch(void) int i, node; node = nlm_nodeid(); - eirr = read_c0_eirr() & read_c0_eimr(); + eirr = read_c0_eirr_and_eimr(); i = __ilog2_u64(eirr); if (i == -1) |