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| author | Jean-Jacques Hiblot <jjhiblot@ti.com> | 2018-08-09 16:17:42 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2018-08-21 16:21:37 +0200 |
| commit | e7c865620e569df493e67d3772673108fce62064 (patch) | |
| tree | 11a06f4f6941bc79c1caf7e20885772c73a6fa86 /include/dm/uclass-internal.h | |
| parent | c3211708cf721163733f03330bdb579d8c0f689b (diff) | |
uclass: Add dev_get_uclass_index() to get the uclass/index of a device
This function is the reciprocal of uclass_find_device().
It will be used to print the index information in dm tree dump.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Diffstat (limited to 'include/dm/uclass-internal.h')
| -rw-r--r-- | include/dm/uclass-internal.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/dm/uclass-internal.h b/include/dm/uclass-internal.h index 7ba064bd53..30d5a4fb9b 100644 --- a/include/dm/uclass-internal.h +++ b/include/dm/uclass-internal.h @@ -24,6 +24,17 @@ int uclass_get_device_tail(struct udevice *dev, int ret, struct udevice **devp); /** + * dev_get_uclass_index() - Get uclass and index of device + * @dev: - in - Device that we want the uclass/index of + * @ucp: - out - A pointer to the uclass the device belongs to + * + * The device is not prepared for use - this is an internal function. + * + * @return the index of the device in the uclass list or -ENODEV if not found. + */ +int dev_get_uclass_index(struct udevice *dev, struct uclass **ucp); + +/** * uclass_find_device() - Return n-th child of uclass * @id: Id number of the uclass * @index: Position of the child in uclass's list |