[PATCH 1/2] dm: event: document all events
Heinrich Schuchardt
heinrich.schuchardt at canonical.com
Mon Aug 28 17:22:25 CEST 2023
Provide Sphinx documentation for all events.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
include/event.h | 84 +++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 82 insertions(+), 2 deletions(-)
diff --git a/include/event.h b/include/event.h
index bb38ba98e7..6dee4adef2 100644
--- a/include/event.h
+++ b/include/event.h
@@ -19,29 +19,109 @@
* @EVT_DM_PRE_PROBE: Device is about to be probed
*/
enum event_t {
- EVT_NONE,
+ /**
+ * @EVT_NONE: This zero value is not used for events.
+ */
+ EVT_NONE = 0,
+
+ /**
+ * @EVT_TEST: This event is used in unit tests.
+ */
EVT_TEST,
/* Events related to driver model */
+ /**
+ * @EVT_DM_POST_INIT_F:
+ * This event is triggered after initialization of the driver model
+ * before relocation. Its parameter is NULL.
+ * A non-zero return code from the event handler let's the boot process
+ * fail.
+ */
EVT_DM_POST_INIT_F,
+ /**
+ * @EVT_DM_POST_INIT_R:
+ * This event is triggered after initialization of the driver model
+ * after relocation. Its parameter is NULL.
+ * A non-zero return code from the event handler let's the boot process
+ * fail.
+ */
EVT_DM_POST_INIT_R,
+ /**
+ * @EVT_DM_PRE_PROBE:
+ * This event is triggered before probing a device. Its parameter is the
+ * udevice to be probed.
+ * A non-zero return code lets the device not being probed.
+ */
EVT_DM_PRE_PROBE,
+ /**
+ * @EVT_DM_POST_PROBE:
+ * This event is triggered after probing a device. Its parameter is the
+ * udevice to be probed.
+ * A non-zero return code leaves the device in the unprobed state and
+ * therefore not usable.
+ */
EVT_DM_POST_PROBE,
+ /**
+ * @EVT_DM_PRE_REMOVE:
+ * This event is triggered before removing a device. Its parameter is
+ * the udevice to be removed.
+ * A non-zero return code stops the removal of the device before any
+ * changes.
+ */
EVT_DM_PRE_REMOVE,
+ /**
+ * @EVT_DM_POST_REMOVE:
+ * This event is triggered before removing a device. Its parameter is
+ * the udevice to be removed.
+ * A non-zero return code stops the removal of the device after all
+ * removal changes. The previous state is not restored. All children
+ * will be gone and the device may not be functional.
+ */
EVT_DM_POST_REMOVE,
/* Init hooks */
+ /**
+ * @EVT_MISC_INIT_F:
+ * This event is triggered during the initialization sequence bofore
+ * relocation. Its parameter is NULL.
+ * A non-zero return code from the event handler let's the boot process
+ * fail.
+ */
EVT_MISC_INIT_F,
- /* Fpga load hook */
+ /**
+ * @EVT_FPGA_LOAD:
+ * The FPGA load hook is called after loading an FPGA with a new binary.
+ * Its parameter is of type struct event_fpga_load and contains
+ * information about the loaded image.
+ */
EVT_FPGA_LOAD,
/* Device tree fixups before booting */
+ /**
+ * @EVT_FT_FIXUP:
+ * This event is triggered during device-tree fix up after all
+ * other device-tree fixups have been executed.
+ * Its parameter is of type struct event_ft_fixup which contains
+ * the address of the device-tree to fix up and the list of images to be
+ * booted.
+ */
EVT_FT_FIXUP,
/* To be called once, before calling main_loop() */
+ /**
+ * @EVT_MAIN_LOOP:
+ * This event is triggered immediately before calling main_loop() which
+ * is the entry point of the command line.
+ * Its parameter is NULL.
+ */
EVT_MAIN_LOOP,
+ /**
+ * @EVT_COUNT:
+ * This constants holds the maximum event number + 1 and is used when
+ * looping over all event classes.
+ */
EVT_COUNT
};
--
2.40.1
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