event: Add events for device probe/remove
Generate events when devices are probed or removed, allowing hooks
to be added for these situations.
This is controlled by the DM_EVENT config option.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig
index 8f7703c..5c34004 100644
--- a/drivers/core/Kconfig
+++ b/drivers/core/Kconfig
@@ -77,6 +77,16 @@
it causes unplugged devices to linger around in the dm-tree, and it
causes USB host controllers to not be stopped when booting the OS.
+config DM_EVENT
+ bool "Support events with driver model"
+ depends on DM
+ imply EVENT
+ default y if SANDBOX
+ help
+ This enables support for generating events related to driver model
+ operations, such as prbing or removing a device. Subsystems can
+ register a 'spy' function that is called when the event occurs.
+
config SPL_DM_DEVICE_REMOVE
bool "Support device removal in SPL"
depends on SPL_DM