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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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3
include/dm/test.h
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@ -67,6 +67,8 @@ enum {
struct dm_test_priv {
int ping_total;
int op_count[DM_TEST_OP_COUNT];
int uclass_flag;
int uclass_total;
};
/**
@ -88,6 +90,7 @@ struct dm_test_uclass_priv {
*
* @sum: Test value used to check parent data works correctly
* @flag: Used to track calling of parent operations
* @uclass_flag: Used to track calling of parent operations by uclass
*/
struct dm_test_parent_data {
int sum;