irqchip/qcom-pdc: Kill qcom_pdc_translate helper

qcom_pdc_translate() really is nothing but an open coded version
of irq_domain_translate_twocell(). Get rid of it and use the common
version instead.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Maulik Shah <quic_mkshah@quicinc.com>
Link: https://lore.kernel.org/r/20220224101226.88373-4-maz@kernel.org

diff --git a/drivers/irqchip/qcom-pdc.c b/drivers/irqchip/qcom-pdc.c
index 5be5314..837ca69 100644 (file)
--- a/drivers/irqchip/qcom-pdc.c
+++ b/drivers/irqchip/qcom-pdc.c
@@ -198,21 +198,6 @@ static struct pdc_pin_region *get_pin_region(int pin)
        return NULL;
 }
 
-static int qcom_pdc_translate(struct irq_domain *d, struct irq_fwspec *fwspec,
-                             unsigned long *hwirq, unsigned int *type)
-{
-       if (is_of_node(fwspec->fwnode)) {
-               if (fwspec->param_count != 2)
-                       return -EINVAL;
-
-               *hwirq = fwspec->param[0];
-               *type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK;
-               return 0;
-       }
-
-       return -EINVAL;
-}
-
 static int qcom_pdc_alloc(struct irq_domain *domain, unsigned int virq,
                          unsigned int nr_irqs, void *data)
 {
@@ -223,7 +208,7 @@ static int qcom_pdc_alloc(struct irq_domain *domain, unsigned int virq,
        unsigned int type;
        int ret;
 
-       ret = qcom_pdc_translate(domain, fwspec, &hwirq, &type);
+       ret = irq_domain_translate_twocell(domain, fwspec, &hwirq, &type);
        if (ret)
                return ret;
 
@@ -256,7 +241,7 @@ static int qcom_pdc_alloc(struct irq_domain *domain, unsigned int virq,
 }
 
 static const struct irq_domain_ops qcom_pdc_ops = {
-       .translate      = qcom_pdc_translate,
+       .translate      = irq_domain_translate_twocell,
        .alloc          = qcom_pdc_alloc,
        .free           = irq_domain_free_irqs_common,
 };