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dm: core: Add note about device_probe idempotence

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device_probe returns early when the device is already activated.
Add a note to the documentation that it can be used on already activated
devices.

Signed-off-by: Michal Suchanek <msuchanek@suse.de>
This commit is contained in:
Michal Suchanek
2022-09-27 23:25:08 +02:00
committed by Simon Glass
parent 73f8fbc532
commit aa5511e77b
1 changed files with 2 additions and 2 deletions
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4
include/dm/device-internal.h
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@@ -184,8 +184,8 @@ int device_of_to_plat(struct udevice *dev);
/** /**
* device_probe() - Probe a device, activating it * device_probe() - Probe a device, activating it
* *
* Activate a device so that it is ready for use. All its parents are probed * Activate a device (if not yet activated) so that it is ready for use.
* first. * All its parents are probed first.
* *
* @dev: Pointer to device to probe * @dev: Pointer to device to probe
* Return: 0 if OK, -ve on error * Return: 0 if OK, -ve on error