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-rw-r--r--drivers/base/platform.c1
-rw-r--r--drivers/of/device.c27
-rw-r--r--drivers/of/platform.c24
3 files changed, 21 insertions, 31 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index c6c933f58102..2fff59cef505 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -147,6 +147,7 @@ static void platform_device_release(struct device *dev)
struct platform_object *pa = container_of(dev, struct platform_object,
pdev.dev);
+ of_device_node_put(&pa->pdev.dev);
kfree(pa->pdev.dev.platform_data);
kfree(pa->pdev.resource);
kfree(pa);
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 92de0eb74aea..45d86530799f 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -81,29 +81,10 @@ struct device_attribute of_platform_device_attrs[] = {
__ATTR_NULL
};
-/**
- * of_release_dev - free an of device structure when all users of it are finished.
- * @dev: device that's been disconnected
- *
- * Will be called only by the device core when all users of this of device are
- * done.
- */
-void of_release_dev(struct device *dev)
-{
- struct platform_device *ofdev;
-
- ofdev = to_platform_device(dev);
- of_node_put(ofdev->dev.of_node);
- kfree(ofdev);
-}
-EXPORT_SYMBOL(of_release_dev);
-
-int of_device_register(struct platform_device *ofdev)
+int of_device_add(struct platform_device *ofdev)
{
BUG_ON(ofdev->dev.of_node == NULL);
- device_initialize(&ofdev->dev);
-
/* name and id have to be set so that the platform bus doesn't get
* confused on matching */
ofdev->name = dev_name(&ofdev->dev);
@@ -117,6 +98,12 @@ int of_device_register(struct platform_device *ofdev)
return device_add(&ofdev->dev);
}
+
+int of_device_register(struct platform_device *pdev)
+{
+ device_initialize(&pdev->dev);
+ return of_device_add(pdev);
+}
EXPORT_SYMBOL(of_device_register);
void of_device_unregister(struct platform_device *ofdev)
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 30726c8b0693..5b4a07f1220e 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -587,20 +587,23 @@ struct platform_device *of_device_alloc(struct device_node *np,
int rc, i, num_reg = 0, num_irq;
struct resource *res, temp_res;
- /* First count how many resources are needed */
+ dev = platform_device_alloc("", -1);
+ if (!dev)
+ return NULL;
+
+ /* count the io and irq resources */
while (of_address_to_resource(np, num_reg, &temp_res) == 0)
num_reg++;
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)),
- GFP_KERNEL);
- if (!dev)
- return NULL;
- res = (struct resource *) &dev[1];
-
/* Populate the resource table */
if (num_irq || num_reg) {
+ res = kzalloc(sizeof(*res) * (num_irq + num_reg), GFP_KERNEL);
+ if (!res) {
+ platform_device_put(dev);
+ return NULL;
+ }
+
dev->num_resources = num_reg + num_irq;
dev->resource = res;
for (i = 0; i < num_reg; i++, res++) {
@@ -615,7 +618,6 @@ struct platform_device *of_device_alloc(struct device_node *np,
dev->dev.dma_mask = &dev->archdata.dma_mask;
#endif
dev->dev.parent = parent;
- dev->dev.release = of_release_dev;
if (bus_id)
dev_set_name(&dev->dev, "%s", bus_id);
@@ -653,8 +655,8 @@ struct platform_device *of_platform_device_create(struct device_node *np,
* to do such, possibly using a device notifier
*/
- if (of_device_register(dev) != 0) {
- of_device_free(dev);
+ if (of_device_add(dev) != 0) {
+ platform_device_put(dev);
return NULL;
}