of/irq: Mark interrupt controllers as populated before initialisation
authorPhilipp Zabel <p.zabel@pengutronix.de>
Tue, 9 Aug 2016 14:18:51 +0000 (16:18 +0200)
committerRob Herring <robh@kernel.org>
Tue, 9 Aug 2016 17:36:28 +0000 (12:36 -0500)
That way the init callback may clear the flag again, in case of drivers
split between early irq chip and a normal platform driver.

Fixes: 15cc2ed6dcf9 ("of/irq: Mark initialised interrupt controllers as populated")
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Rob Herring <robh@kernel.org>
drivers/of/irq.c

index 89a71c6074fc9d23fbc3dc2ac5bed7e4d69ce49b..a2e68f740edacbe900af35b5875cb65e6e40771a 100644 (file)
@@ -544,12 +544,15 @@ void __init of_irq_init(const struct of_device_id *matches)
 
                        list_del(&desc->list);
 
+                       of_node_set_flag(desc->dev, OF_POPULATED);
+
                        pr_debug("of_irq_init: init %s (%p), parent %p\n",
                                 desc->dev->full_name,
                                 desc->dev, desc->interrupt_parent);
                        ret = desc->irq_init_cb(desc->dev,
                                                desc->interrupt_parent);
                        if (ret) {
+                               of_node_clear_flag(desc->dev, OF_POPULATED);
                                kfree(desc);
                                continue;
                        }
@@ -559,8 +562,6 @@ void __init of_irq_init(const struct of_device_id *matches)
                         * its children can get processed in a subsequent pass.
                         */
                        list_add_tail(&desc->list, &intc_parent_list);
-
-                       of_node_set_flag(desc->dev, OF_POPULATED);
                }
 
                /* Get the next pending parent that might have children */