From d9216c8683fced4cbf6d437b4357c9368bf1bf86 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 26 Sep 2023 08:14:44 -0600 Subject: dm: core: Support writing a boolean Add functions to write a boolean property. This involves deleting it if the value is false. Add a new ofnode_has_property() as well. Add a comment about the behaviour of of_read_property() when the property value is empty. Signed-off-by: Simon Glass --- test/dm/ofnode.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'test') diff --git a/test/dm/ofnode.c b/test/dm/ofnode.c index ceeb8e57791..9477f791d64 100644 --- a/test/dm/ofnode.c +++ b/test/dm/ofnode.c @@ -1480,3 +1480,28 @@ static int dm_test_oftree_to_fdt(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_oftree_to_fdt, UT_TESTF_SCAN_FDT); + +/* test ofnode_read_bool() and ofnode_write_bool() */ +static int dm_test_bool(struct unit_test_state *uts) +{ + const char *propname = "missing-bool-value"; + ofnode node; + + node = ofnode_path("/a-test"); + ut_assert(ofnode_read_bool(node, "bool-value")); + ut_assert(!ofnode_read_bool(node, propname)); + ut_assert(!ofnode_has_property(node, propname)); + + ut_assertok(ofnode_write_bool(node, propname, true)); + ut_assert(ofnode_read_bool(node, propname)); + ut_assert(ofnode_has_property(node, propname)); + ut_assert(ofnode_read_bool(node, "bool-value")); + + ut_assertok(ofnode_write_bool(node, propname, false)); + ut_assert(!ofnode_read_bool(node, propname)); + ut_assert(!ofnode_has_property(node, propname)); + ut_assert(ofnode_read_bool(node, "bool-value")); + + return 0; +} +DM_TEST(dm_test_bool, UT_TESTF_SCAN_FDT); -- cgit v1.3.1