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dm: core: Allow uclass to set up a device's child before it is probed

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Some buses need to set up their devices before they can be used. This setup
may well be common to all buses in a particular uclass. Support a common
pre-probe method for the uclass, called before any bus devices are probed.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
This commit is contained in:
Simon Glass 2015-01-25 08:27:10 -07:00
parent 1603bf3cc1
commit 83c7e434c9
7 changed files with 85 additions and 0 deletions
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include/dm/uclass.h
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@ -83,6 +83,7 @@ struct uclass_driver {
int (*post_probe)(struct udevice *dev);
int (*pre_remove)(struct udevice *dev);
int (*child_post_bind)(struct udevice *dev);
int (*child_pre_probe)(struct udevice *dev);
int (*init)(struct uclass *class);
int (*destroy)(struct uclass *class);
int priv_auto_alloc_size;