diff options
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/generic-chip.c | 21 | ||||
| -rw-r--r-- | kernel/irq/msi.c | 1 |
2 files changed, 22 insertions, 0 deletions
diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c index abd286afbd27..a4775f3451b9 100644 --- a/kernel/irq/generic-chip.c +++ b/kernel/irq/generic-chip.c @@ -411,8 +411,29 @@ int irq_map_generic_chip(struct irq_domain *d, unsigned int virq, } EXPORT_SYMBOL_GPL(irq_map_generic_chip); +static void irq_unmap_generic_chip(struct irq_domain *d, unsigned int virq) +{ + struct irq_data *data = irq_domain_get_irq_data(d, virq); + struct irq_domain_chip_generic *dgc = d->gc; + unsigned int hw_irq = data->hwirq; + struct irq_chip_generic *gc; + int irq_idx; + + gc = irq_get_domain_generic_chip(d, hw_irq); + if (!gc) + return; + + irq_idx = hw_irq % dgc->irqs_per_chip; + + clear_bit(irq_idx, &gc->installed); + irq_domain_set_info(d, virq, hw_irq, &no_irq_chip, NULL, NULL, NULL, + NULL); + +} + struct irq_domain_ops irq_generic_chip_ops = { .map = irq_map_generic_chip, + .unmap = irq_unmap_generic_chip, .xlate = irq_domain_xlate_onetwocell, }; EXPORT_SYMBOL_GPL(irq_generic_chip_ops); diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 4b21779d5163..cd6009006510 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -298,6 +298,7 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev, ops->msi_finish(&arg, 0); for_each_msi_entry(desc, dev) { + virq = desc->irq; if (desc->nvec_used == 1) dev_dbg(dev, "irq %d for MSI\n", virq); else |