diff options
Diffstat (limited to 'arch/powerpc/platforms/ps3/interrupt.c')
| -rw-r--r-- | arch/powerpc/platforms/ps3/interrupt.c | 68 |
1 files changed, 53 insertions, 15 deletions
diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index 2a0a422cea14..462eacc55c97 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -220,6 +220,8 @@ int ps3_virq_setup(enum ps3_cpu_binding cpu, unsigned long outlet, goto fail_set; } + ps3_chip_mask(*virq); + return result; fail_set: @@ -311,6 +313,8 @@ int ps3_irq_plug_destroy(unsigned int virq) pr_debug("%s:%d: node %lu, cpu %d, virq %u\n", __func__, __LINE__, pd->node, pd->cpu, virq); + ps3_chip_mask(virq); + result = lv1_disconnect_irq_plug_ext(pd->node, pd->cpu, virq); if (result) @@ -368,7 +372,9 @@ int ps3_event_receive_port_destroy(unsigned int virq) { int result; - pr_debug(" -> %s:%d virq: %u\n", __func__, __LINE__, virq); + pr_debug(" -> %s:%d virq %u\n", __func__, __LINE__, virq); + + ps3_chip_mask(virq); result = lv1_destruct_event_receive_port(virq_to_hw(virq)); @@ -376,17 +382,14 @@ int ps3_event_receive_port_destroy(unsigned int virq) pr_debug("%s:%d: lv1_destruct_event_receive_port failed: %s\n", __func__, __LINE__, ps3_result(result)); - /* lv1_destruct_event_receive_port() destroys the IRQ plug, - * so don't call ps3_irq_plug_destroy() here. + /* + * Don't call ps3_virq_destroy() here since ps3_smp_cleanup_cpu() + * calls from interrupt context (smp_call_function) when kexecing. */ - result = ps3_virq_destroy(virq); - BUG_ON(result); - pr_debug(" <- %s:%d\n", __func__, __LINE__); return result; } -EXPORT_SYMBOL_GPL(ps3_event_receive_port_destroy); int ps3_send_event_locally(unsigned int virq) { @@ -458,6 +461,14 @@ int ps3_sb_event_receive_port_destroy(const struct ps3_device_id *did, result = ps3_event_receive_port_destroy(virq); BUG_ON(result); + /* + * ps3_event_receive_port_destroy() destroys the IRQ plug, + * so don't call ps3_irq_plug_destroy() here. + */ + + result = ps3_virq_destroy(virq); + BUG_ON(result); + pr_debug(" <- %s:%d\n", __func__, __LINE__); return result; } @@ -498,16 +509,24 @@ EXPORT_SYMBOL_GPL(ps3_io_irq_setup); int ps3_io_irq_destroy(unsigned int virq) { int result; + unsigned long outlet = virq_to_hw(virq); - result = lv1_destruct_io_irq_outlet(virq_to_hw(virq)); + ps3_chip_mask(virq); - if (result) - pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n", - __func__, __LINE__, ps3_result(result)); + /* + * lv1_destruct_io_irq_outlet() will destroy the IRQ plug, + * so call ps3_irq_plug_destroy() first. + */ result = ps3_irq_plug_destroy(virq); BUG_ON(result); + result = lv1_destruct_io_irq_outlet(outlet); + + if (result) + pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n", + __func__, __LINE__, ps3_result(result)); + return result; } EXPORT_SYMBOL_GPL(ps3_io_irq_destroy); @@ -552,6 +571,7 @@ int ps3_vuart_irq_destroy(unsigned int virq) { int result; + ps3_chip_mask(virq); result = lv1_deconfigure_virtual_uart_irq(); if (result) { @@ -600,9 +620,14 @@ int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id, int ps3_spe_irq_destroy(unsigned int virq) { - int result = ps3_irq_plug_destroy(virq); + int result; + + ps3_chip_mask(virq); + + result = ps3_irq_plug_destroy(virq); BUG_ON(result); - return 0; + + return result; } @@ -662,7 +687,7 @@ static int ps3_host_map(struct irq_host *h, unsigned int virq, pr_debug("%s:%d: hwirq %lu, virq %u\n", __func__, __LINE__, hwirq, virq); - set_irq_chip_and_handler(virq, &irq_chip, handle_fasteoi_irq); + set_irq_chip_and_handler(virq, &ps3_irq_chip, handle_fasteoi_irq); return 0; } @@ -682,7 +707,7 @@ void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq) cpu, virq, pd->bmp.ipi_debug_brk_mask); } -unsigned int ps3_get_irq(void) +static unsigned int ps3_get_irq(void) { struct ps3_private *pd = &__get_cpu_var(ps3_private); u64 x = (pd->bmp.status & pd->bmp.mask); @@ -747,3 +772,16 @@ void __init ps3_init_IRQ(void) ppc_md.get_irq = ps3_get_irq; } + +void ps3_shutdown_IRQ(int cpu) +{ + int result; + u64 ppe_id; + u64 thread_id = get_hard_smp_processor_id(cpu); + + lv1_get_logical_ppe_id(&ppe_id); + result = lv1_configure_irq_state_bitmap(ppe_id, thread_id, 0); + + DBG("%s:%d: lv1_configure_irq_state_bitmap (%lu:%lu/%d) %s\n", __func__, + __LINE__, ppe_id, thread_id, cpu, ps3_result(result)); +} |
