Adding kerneldoc for unmap callback function.
Signed-off-by: Sricharan R <r.sricharan@xxxxxx>
Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
---
drivers/irqchip/irq-crossbar.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
index a8c6156..518d712 100644
--- a/drivers/irqchip/irq-crossbar.c
+++ b/drivers/irqchip/irq-crossbar.c
@@ -89,6 +89,17 @@ static int crossbar_domain_map(struct irq_domain *d, unsigned int irq,
return 0;
}
+/**
+ * crossbar_domain_unmap - unmap a crossbar<->irq connection
+ * @d: domain of irq to unmap
+ * @irq: virq number
+ *
+ * We do not maintain a use count of total number of map/unmap
+ * calls for a particular irq to find out if a irq can be really
+ * unmapped. This is because unmap is called during irq_dispose_mapping(irq),
+ * after which irq is anyways unusable. So an explicit map has to be called
+ * after that.
+ */
static void crossbar_domain_unmap(struct irq_domain *d, unsigned int irq)
{
irq_hw_number_t hw = irq_get_irq_data(irq)->hwirq;
--
1.7.9.5
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