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dm: core: Add a livetree function to check node status

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Add a way to find out if a node is enabled or not, based on its 'status'
property.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2020-11-28 17:50:02 -07:00
parent 734206dda1
commit 0de1b07406
3 changed files with 33 additions and 0 deletions
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12
test/dm/ofnode.c
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@@ -249,3 +249,15 @@ static int dm_test_ofnode_get_child_count(struct unit_test_state *uts)
}
DM_TEST(dm_test_ofnode_get_child_count,
UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_ofnode_is_enabled(struct unit_test_state *uts)
{
ofnode root_node = ofnode_path("/");
ofnode node = ofnode_path("/usb@0");
ut_assert(ofnode_is_enabled(root_node));
ut_assert(!ofnode_is_enabled(node));
return 0;
}
DM_TEST(dm_test_ofnode_is_enabled, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);