Merge tag 'for-linus' of git://github.com/openrisc/linux
[linux-2.6-microblaze.git] / drivers / irqchip / irq-ti-sci-intr.c
index cbc1758..fe8fad2 100644 (file)
@@ -129,7 +129,7 @@ static void ti_sci_intr_irq_domain_free(struct irq_domain *domain,
  * @virq:      Corresponding Linux virtual IRQ number
  * @hwirq:     Corresponding hwirq for the IRQ within this IRQ domain
  *
- * Returns parent irq if all went well else appropriate error pointer.
+ * Returns intr output irq if all went well else appropriate error pointer.
  */
 static int ti_sci_intr_alloc_parent_irq(struct irq_domain *domain,
                                        unsigned int virq, u32 hwirq)
@@ -137,8 +137,8 @@ static int ti_sci_intr_alloc_parent_irq(struct irq_domain *domain,
        struct ti_sci_intr_irq_domain *intr = domain->host_data;
        struct device_node *parent_node;
        struct irq_fwspec fwspec;
-       u16 out_irq, p_hwirq;
-       int err = 0;
+       int p_hwirq, err = 0;
+       u16 out_irq;
 
        out_irq = ti_sci_get_free_resource(intr->out_irqs);
        if (out_irq == TI_SCI_RESOURCE_NULL)
@@ -173,7 +173,7 @@ static int ti_sci_intr_alloc_parent_irq(struct irq_domain *domain,
        if (err)
                goto err_msg;
 
-       return p_hwirq;
+       return out_irq;
 
 err_msg:
        irq_domain_free_irqs_parent(domain, virq, 1);
@@ -198,19 +198,19 @@ static int ti_sci_intr_irq_domain_alloc(struct irq_domain *domain,
        struct irq_fwspec *fwspec = data;
        unsigned long hwirq;
        unsigned int flags;
-       int err, p_hwirq;
+       int err, out_irq;
 
        err = ti_sci_intr_irq_domain_translate(domain, fwspec, &hwirq, &flags);
        if (err)
                return err;
 
-       p_hwirq = ti_sci_intr_alloc_parent_irq(domain, virq, hwirq);
-       if (p_hwirq < 0)
-               return p_hwirq;
+       out_irq = ti_sci_intr_alloc_parent_irq(domain, virq, hwirq);
+       if (out_irq < 0)
+               return out_irq;
 
        irq_domain_set_hwirq_and_chip(domain, virq, hwirq,
                                      &ti_sci_intr_irq_chip,
-                                     (void *)(uintptr_t)p_hwirq);
+                                     (void *)(uintptr_t)out_irq);
 
        return 0;
 }
@@ -254,13 +254,9 @@ static int ti_sci_intr_irq_domain_probe(struct platform_device *pdev)
        }
 
        intr->sci = devm_ti_sci_get_by_phandle(dev, "ti,sci");
-       if (IS_ERR(intr->sci)) {
-               ret = PTR_ERR(intr->sci);
-               if (ret != -EPROBE_DEFER)
-                       dev_err(dev, "ti,sci read fail %d\n", ret);
-               intr->sci = NULL;
-               return ret;
-       }
+       if (IS_ERR(intr->sci))
+               return dev_err_probe(dev, PTR_ERR(intr->sci),
+                                    "ti,sci read fail\n");
 
        ret = of_property_read_u32(dev_of_node(dev), "ti,sci-dev-id",
                                   &intr->ti_sci_id);