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-rw-r--r--drivers/of/irq.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index e7bfc175b8e1..89a71c6074fc 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -18,6 +18,8 @@
* driver.
*/
+#define pr_fmt(fmt) "OF: " fmt
+
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/list.h>
@@ -386,13 +388,13 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
EXPORT_SYMBOL_GPL(of_irq_to_resource);
/**
- * of_irq_get - Decode a node's IRQ and return it as a Linux irq number
+ * of_irq_get - Decode a node's IRQ and return it as a Linux IRQ number
* @dev: pointer to device tree node
- * @index: zero-based index of the irq
- *
- * Returns Linux irq number on success, or -EPROBE_DEFER if the irq domain
- * is not yet created.
+ * @index: zero-based index of the IRQ
*
+ * Returns Linux IRQ number on success, or 0 on the IRQ mapping failure, or
+ * -EPROBE_DEFER if the IRQ domain is not yet created, or error code in case
+ * of any other failure.
*/
int of_irq_get(struct device_node *dev, int index)
{
@@ -413,12 +415,13 @@ int of_irq_get(struct device_node *dev, int index)
EXPORT_SYMBOL_GPL(of_irq_get);
/**
- * of_irq_get_byname - Decode a node's IRQ and return it as a Linux irq number
+ * of_irq_get_byname - Decode a node's IRQ and return it as a Linux IRQ number
* @dev: pointer to device tree node
- * @name: irq name
+ * @name: IRQ name
*
- * Returns Linux irq number on success, or -EPROBE_DEFER if the irq domain
- * is not yet created, or error code in case of any other failure.
+ * Returns Linux IRQ number on success, or 0 on the IRQ mapping failure, or
+ * -EPROBE_DEFER if the IRQ domain is not yet created, or error code in case
+ * of any other failure.
*/
int of_irq_get_byname(struct device_node *dev, const char *name)
{
@@ -556,6 +559,8 @@ 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 */
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