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dm: core: Add functions for iterating through device children

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Buses need to iterate through their children in some situations. Add a few
functions to make this easy.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
This commit is contained in:
Simon Glass
2014-10-13 23:41:49 -06:00
parent 0b304a2494
commit a8981d4f80
4 changed files with 78 additions and 1 deletions
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doc/driver-model/README.txt
+2 -1
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@@ -95,7 +95,7 @@ are provided in test/dm. To run them, try:
You should see something like this:
<...U-Boot banner...>
Running 21 driver model tests
Running 22 driver model tests
Test: dm_test_autobind
Test: dm_test_autoprobe
Test: dm_test_bus_children
@@ -103,6 +103,7 @@ You should see something like this:
Device 'c-test@0': seq 0 is in use by 'a-test'
Device 'c-test@1': seq 1 is in use by 'd-test'
Test: dm_test_bus_children_funcs
Test: dm_test_bus_children_iterators
Test: dm_test_bus_parent_data
Test: dm_test_bus_parent_ops
Test: dm_test_children