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path: root/drivers/of/platform.c
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Diffstat (limited to 'drivers/of/platform.c')
-rw-r--r--drivers/of/platform.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index bb72223c22ae..30726c8b0693 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -584,14 +584,13 @@ struct platform_device *of_device_alloc(struct device_node *np,
struct device *parent)
{
struct platform_device *dev;
- int rc, i, num_reg = 0, num_irq = 0;
+ int rc, i, num_reg = 0, num_irq;
struct resource *res, temp_res;
/* First count how many resources are needed */
while (of_address_to_resource(np, num_reg, &temp_res) == 0)
num_reg++;
- while (of_irq_to_resource(np, num_irq, &temp_res) != NO_IRQ)
- num_irq++;
+ num_irq = of_irq_count(np);
/* Allocate memory for both the struct device and the resource table */
dev = kzalloc(sizeof(*dev) + (sizeof(*res) * (num_reg + num_irq)),
@@ -608,10 +607,7 @@ struct platform_device *of_device_alloc(struct device_node *np,
rc = of_address_to_resource(np, i, res);
WARN_ON(rc);
}
- for (i = 0; i < num_irq; i++, res++) {
- rc = of_irq_to_resource(np, i, res);
- WARN_ON(rc == NO_IRQ);
- }
+ WARN_ON(of_irq_to_resource_table(np, res, num_irq) != num_irq);
}
dev->dev.of_node = of_node_get(np);