]> git.kernelconcepts.de Git - karo-tx-linux.git/blobdiff - drivers/irqchip/irq-crossbar.c
Merge remote-tracking branch 'omap/for-next'
[karo-tx-linux.git] / drivers / irqchip / irq-crossbar.c
index a7f5626930f506289c6eaea34529c20b2051c750..75573fa431ba8552e21afcc19edc8190c329d131 100644 (file)
@@ -78,10 +78,13 @@ static struct irq_chip crossbar_chip = {
 static int allocate_gic_irq(struct irq_domain *domain, unsigned virq,
                            irq_hw_number_t hwirq)
 {
-       struct of_phandle_args args;
+       struct irq_fwspec fwspec;
        int i;
        int err;
 
+       if (!irq_domain_get_of_node(domain->parent))
+               return -EINVAL;
+
        raw_spin_lock(&cb->lock);
        for (i = cb->int_max - 1; i >= 0; i--) {
                if (cb->irq_map[i] == IRQ_FREE) {
@@ -94,13 +97,13 @@ static int allocate_gic_irq(struct irq_domain *domain, unsigned virq,
        if (i < 0)
                return -ENODEV;
 
-       args.np = domain->parent->of_node;
-       args.args_count = 3;
-       args.args[0] = 0;       /* SPI */
-       args.args[1] = i;
-       args.args[2] = IRQ_TYPE_LEVEL_HIGH;
+       fwspec.fwnode = domain->parent->fwnode;
+       fwspec.param_count = 3;
+       fwspec.param[0] = 0;    /* SPI */
+       fwspec.param[1] = i;
+       fwspec.param[2] = IRQ_TYPE_LEVEL_HIGH;
 
-       err = irq_domain_alloc_irqs_parent(domain, virq, 1, &args);
+       err = irq_domain_alloc_irqs_parent(domain, virq, 1, &fwspec);
        if (err)
                cb->irq_map[i] = IRQ_FREE;
        else
@@ -112,16 +115,16 @@ static int allocate_gic_irq(struct irq_domain *domain, unsigned virq,
 static int crossbar_domain_alloc(struct irq_domain *d, unsigned int virq,
                                 unsigned int nr_irqs, void *data)
 {
-       struct of_phandle_args *args = data;
+       struct irq_fwspec *fwspec = data;
        irq_hw_number_t hwirq;
        int i;
 
-       if (args->args_count != 3)
+       if (fwspec->param_count != 3)
                return -EINVAL; /* Not GIC compliant */
-       if (args->args[0] != 0)
+       if (fwspec->param[0] != 0)
                return -EINVAL; /* No PPI should point to this domain */
 
-       hwirq = args->args[1];
+       hwirq = fwspec->param[1];
        if ((hwirq + nr_irqs) > cb->max_crossbar_sources)
                return -EINVAL; /* Can't deal with this */
 
@@ -166,28 +169,31 @@ static void crossbar_domain_free(struct irq_domain *domain, unsigned int virq,
        raw_spin_unlock(&cb->lock);
 }
 
-static int crossbar_domain_xlate(struct irq_domain *d,
-                                struct device_node *controller,
-                                const u32 *intspec, unsigned int intsize,
-                                unsigned long *out_hwirq,
-                                unsigned int *out_type)
+static int crossbar_domain_translate(struct irq_domain *d,
+                                    struct irq_fwspec *fwspec,
+                                    unsigned long *hwirq,
+                                    unsigned int *type)
 {
-       if (d->of_node != controller)
-               return -EINVAL; /* Shouldn't happen, really... */
-       if (intsize != 3)
-               return -EINVAL; /* Not GIC compliant */
-       if (intspec[0] != 0)
-               return -EINVAL; /* No PPI should point to this domain */
+       if (is_of_node(fwspec->fwnode)) {
+               if (fwspec->param_count != 3)
+                       return -EINVAL;
 
-       *out_hwirq = intspec[1];
-       *out_type = intspec[2];
-       return 0;
+               /* No PPI should point to this domain */
+               if (fwspec->param[0] != 0)
+                       return -EINVAL;
+
+               *hwirq = fwspec->param[1];
+               *type = fwspec->param[2];
+               return 0;
+       }
+
+       return -EINVAL;
 }
 
 static const struct irq_domain_ops crossbar_domain_ops = {
-       .alloc  = crossbar_domain_alloc,
-       .free   = crossbar_domain_free,
-       .xlate  = crossbar_domain_xlate,
+       .alloc          = crossbar_domain_alloc,
+       .free           = crossbar_domain_free,
+       .translate      = crossbar_domain_translate,
 };
 
 static int __init crossbar_of_init(struct device_node *node)