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authorJean-Jacques Hiblot <jjhiblot@ti.com>2018-08-09 16:17:45 +0200
committerMarek Vasut <marex@denx.de>2018-08-21 16:21:37 +0200
commit3be9bcb04883497b422f3f2e4a468657056dd48d (patch)
tree79f1d053520c4b767421d9034555231c000c14bb /include/dm
parent7ec9181d6a2b68480a289c36e5729487f2a4add1 (diff)
device: expose the functions used to remove and unbind children of a device
Also add a 'drv' parameter to filter the children to remove/unbind. Exporting those functions is a preparatory work for the addition of the bind/unbind commands. Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Diffstat (limited to 'include/dm')
-rw-r--r--include/dm/device-internal.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/include/dm/device-internal.h b/include/dm/device-internal.h
index f4af15448f..02ac4c7952 100644
--- a/include/dm/device-internal.h
+++ b/include/dm/device-internal.h
@@ -131,6 +131,44 @@ static inline void device_free(struct udevice *dev) {}
#endif
/**
+ * device_chld_unbind() - Unbind all device's children from the device if bound
+ * to drv
+ *
+ * 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
+ * @drv: The targeted driver
+ * @return 0 on success, -ve on error
+ */
+#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
+int device_chld_unbind(struct udevice *dev, struct driver *drv);
+#else
+static inline int device_chld_unbind(struct udevice *dev, struct driver *drv)
+{
+ return 0;
+}
+#endif
+
+/**
+ * device_chld_remove() - Stop all device's children
+ * @dev: The device whose children are to be removed
+ * @drv: The targeted driver
+ * @flags: Flag, if this functions is called in the pre-OS stage
+ * @return 0 on success, -ve on error
+ */
+#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
+int device_chld_remove(struct udevice *dev, struct driver *drv,
+ uint flags);
+#else
+static inline int device_chld_remove(struct udevice *dev, struct driver *drv,
+ uint flags)
+{
+ return 0;
+}
+#endif
+
+/**
* simple_bus_translate() - translate a bus address to a system address
*
* This handles the 'ranges' property in a simple bus. It translates the