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dm: Allow a device to be found by its FDT offset

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Each device that was bound from a device tree has an node that caused it to
be bound. Add functions that find and return a device based on a device tree
offset.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2014-07-23 06:55:14 -06:00
parent b7d665705e
commit f4cdead24a
4 changed files with 83 additions and 1 deletions
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doc/driver-model/README.txt
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@@ -95,12 +95,13 @@ are provided in test/dm. To run them, try:
You should see something like this:
<...U-Boot banner...>
Running 15 driver model tests
Running 16 driver model tests
Test: dm_test_autobind
Test: dm_test_autoprobe
Test: dm_test_children
Test: dm_test_fdt
Device 'd-test': seq 3 is in use by 'b-test'
Test: dm_test_fdt_offset
Test: dm_test_fdt_pre_reloc
Test: dm_test_fdt_uclass_seq
Device 'd-test': seq 3 is in use by 'b-test'