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path: root/drivers/irqchip/irq-imx-gpcv2.c
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Diffstat (limited to 'drivers/irqchip/irq-imx-gpcv2.c')
-rw-r--r--drivers/irqchip/irq-imx-gpcv2.c64
1 files changed, 29 insertions, 35 deletions
diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c
index e48d3305456f..15af9a9753e5 100644
--- a/drivers/irqchip/irq-imx-gpcv2.c
+++ b/drivers/irqchip/irq-imx-gpcv2.c
@@ -150,49 +150,42 @@ static struct irq_chip gpcv2_irqchip_data_chip = {
#endif
};
-static int imx_gpcv2_domain_xlate(struct irq_domain *domain,
- struct device_node *controller,
- const u32 *intspec,
- unsigned int intsize,
- unsigned long *out_hwirq,
- unsigned int *out_type)
+static int imx_gpcv2_domain_translate(struct irq_domain *d,
+ struct irq_fwspec *fwspec,
+ unsigned long *hwirq,
+ unsigned int *type)
{
- /* Shouldn't happen, really... */
- if (domain->of_node != controller)
- return -EINVAL;
+ if (is_of_node(fwspec->fwnode)) {
+ if (fwspec->param_count != 3)
+ return -EINVAL;
- /* Not GIC compliant */
- if (intsize != 3)
- return -EINVAL;
+ /* No PPI should point to this domain */
+ if (fwspec->param[0] != 0)
+ return -EINVAL;
- /* No PPI should point to this domain */
- if (intspec[0] != 0)
- return -EINVAL;
+ *hwirq = fwspec->param[1];
+ *type = fwspec->param[2];
+ return 0;
+ }
- *out_hwirq = intspec[1];
- *out_type = intspec[2];
- return 0;
+ return -EINVAL;
}
static int imx_gpcv2_domain_alloc(struct irq_domain *domain,
unsigned int irq, unsigned int nr_irqs,
void *data)
{
- struct of_phandle_args *args = data;
- struct of_phandle_args parent_args;
+ struct irq_fwspec *fwspec = data;
+ struct irq_fwspec parent_fwspec;
irq_hw_number_t hwirq;
+ unsigned int type;
+ int err;
int i;
- /* Not GIC compliant */
- if (args->args_count != 3)
- return -EINVAL;
-
- /* No PPI should point to this domain */
- if (args->args[0] != 0)
- return -EINVAL;
+ err = imx_gpcv2_domain_translate(domain, fwspec, &hwirq, &type);
+ if (err)
+ return err;
- /* Can't deal with this */
- hwirq = args->args[1];
if (hwirq >= GPC_MAX_IRQS)
return -EINVAL;
@@ -201,15 +194,16 @@ static int imx_gpcv2_domain_alloc(struct irq_domain *domain,
&gpcv2_irqchip_data_chip, domain->host_data);
}
- parent_args = *args;
- parent_args.np = domain->parent->of_node;
- return irq_domain_alloc_irqs_parent(domain, irq, nr_irqs, &parent_args);
+ parent_fwspec = *fwspec;
+ parent_fwspec.fwnode = domain->parent->fwnode;
+ return irq_domain_alloc_irqs_parent(domain, irq, nr_irqs,
+ &parent_fwspec);
}
static struct irq_domain_ops gpcv2_irqchip_data_domain_ops = {
- .xlate = imx_gpcv2_domain_xlate,
- .alloc = imx_gpcv2_domain_alloc,
- .free = irq_domain_free_irqs_common,
+ .translate = imx_gpcv2_domain_translate,
+ .alloc = imx_gpcv2_domain_alloc,
+ .free = irq_domain_free_irqs_common,
};
static int __init imx_gpcv2_irqchip_init(struct device_node *node,