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gpio: ixp4xx: Use irq_domain_translate_twocell() 

Use standard functions. Eventually we will be able to drop all
checks and just assign irq_domain_translate_twocell() to this
callback.

Cc: Brian Masney <masneyb@onstation.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2019-05-23 11:49:47 +02:00
parent 4b3d50062c
commit 315c1a8ebd
1 changed files with 7 additions and 7 deletions
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14
drivers/gpio/gpio-ixp4xx.c
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@ -205,20 +205,20 @@ static int ixp4xx_gpio_irq_domain_translate(struct irq_domain *domain,
unsigned long *hwirq,
unsigned int *type)
{
int ret;
/* We support standard DT translation */
if (is_of_node(fwspec->fwnode) && fwspec->param_count == 2) {
*hwirq = fwspec->param[0];
*type = fwspec->param[1];
return 0;
return irq_domain_translate_twocell(domain, fwspec,
hwirq, type);
}
/* This goes away when we transition to DT */
if (is_fwnode_irqchip(fwspec->fwnode)) {
if (fwspec->param_count != 2)
return -EINVAL;
*hwirq = fwspec->param[0];
*type = fwspec->param[1];
ret = irq_domain_translate_twocell(domain, fwspec,
hwirq, type);
if (ret)
return ret;
WARN_ON(*type == IRQ_TYPE_NONE);
return 0;
}