On Thu, Jun 12, 2014 at 05:23:23PM +0530, Sricharan R wrote:
> The crossbar_domain_map/unmap callbacks need not be called same number
> of times for a particular irq. But still use counting is not needed
> here, because unmap(irq) gets called when irq_desc(irq) is disposed.
> After this the irq is anyways unusable and have to mapped again.
There's no need to duplicate the code comment in the commit log ;-)
>
> Adding the above kerneldoc for unmap callback clarity.
>
> Signed-off-by: Sricharan R <r.sricharan@xxxxxx>
> ---
> drivers/irqchip/irq-crossbar.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
> index 5f3e75a..2a73a66 100644
> --- a/drivers/irqchip/irq-crossbar.c
> +++ b/drivers/irqchip/irq-crossbar.c
> @@ -101,6 +101,16 @@ 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
> + *
> + * The map/unmap callbacks need not be called same number of times for
s/same/the same/
> + * a particular irq. But still use counting is not needed here, because
> + * unmap(irq) gets called when irq_desc(irq) is disposed. After this the
> + * irq is anyways unusuable and have to be mapped again.
Please re-word this. If I were new to the driver (I am ;-) ) I would
have no idea what this means (and I don't :( )
thx,
Jason.
> + */
> 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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