diff options
Diffstat (limited to 'kernel/irq/irqdomain.c')
-rw-r--r-- | kernel/irq/irqdomain.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 8c4c8ea6a205..54a4d5223238 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c | |||
@@ -143,7 +143,10 @@ static unsigned int irq_domain_legacy_revmap(struct irq_domain *domain, | |||
143 | * irq_domain_add_simple() - Allocate and register a simple irq_domain. | 143 | * irq_domain_add_simple() - Allocate and register a simple irq_domain. |
144 | * @of_node: pointer to interrupt controller's device tree node. | 144 | * @of_node: pointer to interrupt controller's device tree node. |
145 | * @size: total number of irqs in mapping | 145 | * @size: total number of irqs in mapping |
146 | * @first_irq: first number of irq block assigned to the domain | 146 | * @first_irq: first number of irq block assigned to the domain, |
147 | * pass zero to assign irqs on-the-fly. This will result in a | ||
148 | * linear IRQ domain so it is important to use irq_create_mapping() | ||
149 | * for each used IRQ, especially when SPARSE_IRQ is enabled. | ||
147 | * @ops: map/unmap domain callbacks | 150 | * @ops: map/unmap domain callbacks |
148 | * @host_data: Controller private data pointer | 151 | * @host_data: Controller private data pointer |
149 | * | 152 | * |