diff options
Diffstat (limited to 'drivers/irqchip/irq-gic-v3-its.c')
| -rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 0aa4d609a8e9..0de4a54485e8 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -2032,6 +2032,13 @@ static const struct irq_domain_ops its_domain_ops = { .deactivate = its_irq_domain_deactivate, }; +static struct irq_chip its_vpe_irq_chip = { + .name = "GICv4-vpe", +}; + +static const struct irq_domain_ops its_vpe_domain_ops = { +}; + static int its_force_quiescent(void __iomem *base) { u32 count = 1000000; /* 1s */ @@ -2148,6 +2155,11 @@ static int its_init_domain(struct fwnode_handle *handle, struct its_node *its) return 0; } +static int its_init_vpe_domain(void) +{ + return 0; +} + static int __init its_compute_its_list_map(struct resource *res, void __iomem *its_base) { @@ -2490,6 +2502,9 @@ int __init its_init(struct fwnode_handle *handle, struct rdists *rdists, struct irq_domain *parent_domain) { struct device_node *of_node; + struct its_node *its; + bool has_v4 = false; + int err; its_parent = parent_domain; of_node = to_of_node(handle); @@ -2504,5 +2519,19 @@ int __init its_init(struct fwnode_handle *handle, struct rdists *rdists, } gic_rdists = rdists; - return its_alloc_lpi_tables(); + err = its_alloc_lpi_tables(); + if (err) + return err; + + list_for_each_entry(its, &its_nodes, entry) + has_v4 |= its->is_v4; + + if (has_v4 & rdists->has_vlpis) { + if (its_init_vpe_domain()) { + rdists->has_vlpis = false; + pr_err("ITS: Disabling GICv4 support\n"); + } + } + + return 0; } |
