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irqchip: crossbar: Add kerneldoc for crossbar_domain_unmap callback

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Adding kerneldoc for unmap callback function.

Signed-off-by: Sricharan R <r.sricharan@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Link: https://lkml.kernel.org/r/1403766634-18543-13-git-send-email-r.sricharan@ti.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Sricharan R 2014-06-26 12:40:30 +05:30 committed by Jason Cooper
parent 99e37d0ea6
commit 8b09a45dc1
1 changed files with 11 additions and 0 deletions
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11
drivers/irqchip/irq-crossbar.c
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@ -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;