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| author |   Thomas Gleixner <tglx@linutronix.de> | 2015-05-18 23:59:13 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-05-18 23:59:33 +0200 |
| commit | 939ef66848ea2b069d938146332fe07e8b6c84af (patch) | |
| tree | 8d69247238065db0437970fe512a9ecfec3a5541 /drivers/irqchip/irq-vf610-mscm-ir.c | |
| parent | genirq: Don't suspend nested_thread irqs over system suspend (diff) | |
| parent | irqchip: vf610-mscm: Support NVIC parent chip (diff) | |
| download | linux-dev-939ef66848ea2b069d938146332fe07e8b6c84af.tar.xz linux-dev-939ef66848ea2b069d938146332fe07e8b6c84af.zip | |
Merge branch 'irq/for-arm' into irq/core
Pull in the branch which can be consumed by ARM to build their changes
on top.
Diffstat (limited to 'drivers/irqchip/irq-vf610-mscm-ir.c')
| -rw-r--r-- | drivers/irqchip/irq-vf610-mscm-ir.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/irqchip/irq-vf610-mscm-ir.c b/drivers/irqchip/irq-vf610-mscm-ir.c index d0f940a3516d..f5c01cbcc73a 100644 --- a/drivers/irqchip/irq-vf610-mscm-ir.c +++ b/drivers/irqchip/irq-vf610-mscm-ir.c @@ -47,6 +47,7 @@ struct vf610_mscm_ir_chip_data { void __iomem *mscm_ir_base; u16 cpu_mask; u16 saved_irsprc[MSCM_IRSPRC_NUM]; + bool is_nvic; }; static struct vf610_mscm_ir_chip_data *mscm_ir_data; @@ -101,7 +102,7 @@ static void vf610_mscm_ir_enable(struct irq_data *data) writew_relaxed(chip_data->cpu_mask, chip_data->mscm_ir_base + MSCM_IRSPRC(hwirq)); - irq_chip_unmask_parent(data); + irq_chip_enable_parent(data); } static void vf610_mscm_ir_disable(struct irq_data *data) @@ -111,7 +112,7 @@ static void vf610_mscm_ir_disable(struct irq_data *data) writew_relaxed(0x0, chip_data->mscm_ir_base + MSCM_IRSPRC(hwirq)); - irq_chip_mask_parent(data); + irq_chip_disable_parent(data); } static struct irq_chip vf610_mscm_ir_irq_chip = { @@ -143,10 +144,17 @@ static int vf610_mscm_ir_domain_alloc(struct irq_domain *domain, unsigned int vi domain->host_data); gic_data.np = domain->parent->of_node; - gic_data.args_count = 3; - gic_data.args[0] = GIC_SPI; - gic_data.args[1] = irq_data->args[0]; - gic_data.args[2] = irq_data->args[1]; + + if (mscm_ir_data->is_nvic) { + gic_data.args_count = 1; + gic_data.args[0] = irq_data->args[0]; + } else { + gic_data.args_count = 3; + gic_data.args[0] = GIC_SPI; + gic_data.args[1] = irq_data->args[0]; + gic_data.args[2] = irq_data->args[1]; + } + return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, &gic_data); } @@ -198,6 +206,9 @@ static int __init vf610_mscm_ir_of_init(struct device_node *node, goto out_unmap; } + if (of_device_is_compatible(domain->parent->of_node, "arm,armv7m-nvic")) + mscm_ir_data->is_nvic = true; + cpu_pm_register_notifier(&mscm_ir_notifier_block); return 0; |