Re: [Patch v3 11/36] sh, irq: Use helper irq_data_get_irq_handler_data() to hide irq_desc details

[Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>]

Hello.

On 6/1/2015 11:05 AM, Jiang Liu wrote:

> Use helper function irq_data_get_irq_handler_data() to hide irq_desc
> implementation details.

    I'm only seeing calls to irq_{get|set}_handler_data() below...

> Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
> ---
>   drivers/sh/intc/virq.c |   12 +++++++-----
>   1 file changed, 7 insertions(+), 5 deletions(-)

> diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
> index f30ac9354ff2..bc0601cf0f8f 100644
> --- a/drivers/sh/intc/virq.c
> +++ b/drivers/sh/intc/virq.c
> @@ -83,12 +83,11 @@ EXPORT_SYMBOL_GPL(intc_irq_lookup);
>
>   static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
>   {
> -	struct intc_virq_list **last, *entry;
> -	struct irq_data *data = irq_get_irq_data(irq);
> +	struct intc_virq_list *entry;
> +	struct intc_virq_list **last = NULL;
>
>   	/* scan for duplicates */
> -	last = (struct intc_virq_list **)&data->handler_data;
> -	for_each_virq(entry, data->handler_data) {
> +	for_each_virq(entry, irq_get_handler_data(irq)) {
>   		if (entry->irq == virq)
>   			return 0;
>   		last = &entry->next;
> @@ -102,7 +101,10 @@ static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
>
>   	entry->irq = virq;
>
> -	*last = entry;
> +	if (last)
> +		*last = entry;
> +	else
> +		irq_set_handler_data(irq, entry);
>
>   	return 0;
>   }

WBR, Sergei