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dm: Export device_remove_children / device_unbind_children

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These functions are useful to remove all children from an usb bus before
rescanning the bus. Give them a better name and export them.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Hans de Goede 2015-07-01 20:52:58 +02:00 committed by Simon Glass
parent 8802f56349
commit bb52b367f6
2 changed files with 30 additions and 18 deletions
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22
drivers/core/device-remove.c
View file

@ -18,16 +18,7 @@
#include <dm/uclass-internal.h>
#include <dm/util.h>
/**
* device_chld_unbind() - Unbind all device's children from the device
*
* On error, the function continues to unbind all children, and reports the
* first error.
*
* @dev: The device that is to be stripped of its children
* @return 0 on success, -ve on error
*/
static int device_chld_unbind(struct udevice *dev)
int device_unbind_children(struct udevice *dev)
{
struct udevice *pos, *n;
int ret, saved_ret = 0;
@ -43,12 +34,7 @@ static int device_chld_unbind(struct udevice *dev)
return saved_ret;
}
/**
* device_chld_remove() - Stop all device's children
* @dev: The device whose children are to be removed
* @return 0 on success, -ve on error
*/
static int device_chld_remove(struct udevice *dev)
int device_remove_children(struct udevice *dev)
{
struct udevice *pos, *n;
int ret;
@ -84,7 +70,7 @@ int device_unbind(struct udevice *dev)
return ret;
}
ret = device_chld_unbind(dev);
ret = device_unbind_children(dev);
if (ret)
return ret;
@ -159,7 +145,7 @@ int device_remove(struct udevice *dev)
if (ret)
return ret;
ret = device_chld_remove(dev);
ret = device_remove_children(dev);
if (ret)
goto err;

26
include/dm/device-internal.h
View file

@ -107,6 +107,32 @@ int device_unbind(struct udevice *dev);
static inline int device_unbind(struct udevice *dev) { return 0; }
#endif
/**
* device_remove_children() - Stop all device's children
* @dev: The device whose children are to be removed
* @return 0 on success, -ve on error
*/
#ifdef CONFIG_DM_DEVICE_REMOVE
int device_remove_children(struct udevice *dev);
#else
static inline int device_remove_children(struct udevice *dev) { return 0; }
#endif
/**
* device_unbind_children() - Unbind all device's children from the device
*
* On error, the function continues to unbind all children, and reports the
* first error.
*
* @dev: The device that is to be stripped of its children
* @return 0 on success, -ve on error
*/
#ifdef CONFIG_DM_DEVICE_REMOVE
int device_unbind_children(struct udevice *dev);
#else
static inline int device_unbind_children(struct udevice *dev) { return 0; }
#endif
#ifdef CONFIG_DM_DEVICE_REMOVE
void device_free(struct udevice *dev);
#else