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-rw-r--r--drivers/base/base.h3
-rw-r--r--drivers/base/dd.c13
-rw-r--r--include/linux/device.h3
3 files changed, 6 insertions, 13 deletions
diff --git a/drivers/base/base.h b/drivers/base/base.h
index 24f424249d9b..251c5d30f963 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -63,8 +63,6 @@ struct driver_private {
* binding of drivers which were unable to get all the resources needed by
* the device; typically because it depends on another driver getting
* probed first.
- * @driver_data - private pointer for driver specific info. Will turn into a
- * list soon.
* @device - pointer back to the struct class that this structure is
* associated with.
*
@@ -76,7 +74,6 @@ struct device_private {
struct klist_node knode_driver;
struct klist_node knode_bus;
struct list_head deferred_probe;
- void *driver_data;
struct device *device;
};
#define to_device_private_parent(obj) \
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 62ec61e8f84a..d14b6e895896 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -594,22 +594,15 @@ void driver_detach(struct device_driver *drv)
*/
void *dev_get_drvdata(const struct device *dev)
{
- if (dev && dev->p)
- return dev->p->driver_data;
+ if (dev)
+ return dev->driver_data;
return NULL;
}
EXPORT_SYMBOL(dev_get_drvdata);
int dev_set_drvdata(struct device *dev, void *data)
{
- int error;
-
- if (!dev->p) {
- error = device_private_init(dev);
- if (error)
- return error;
- }
- dev->p->driver_data = data;
+ dev->driver_data = data;
return 0;
}
EXPORT_SYMBOL(dev_set_drvdata);
diff --git a/include/linux/device.h b/include/linux/device.h
index d1d1c055b48e..5c94ac3e7972 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -673,6 +673,7 @@ struct acpi_dev_node {
* variants, which GPIO pins act in what additional roles, and so
* on. This shrinks the "Board Support Packages" (BSPs) and
* minimizes board-specific #ifdefs in drivers.
+ * @driver_data: Private pointer for driver specific info.
* @power: For device power management.
* See Documentation/power/devices.txt for details.
* @pm_domain: Provide callbacks that are executed during system suspend,
@@ -734,6 +735,8 @@ struct device {
device */
void *platform_data; /* Platform specific data, device
core doesn't touch it */
+ void *driver_data; /* Driver data, set and get with
+ dev_set/get_drvdata */
struct dev_pm_info power;
struct dev_pm_domain *pm_domain;