From 4bb7075c830c6f4e4512fe0277ff1f08c5a9e084 Mon Sep 17 00:00:00 2001 From: Dario Binacchi Date: Sun, 29 Mar 2020 18:04:41 +0200 Subject: dm: core: support reading a single indexed u32 value The patch adds helper functions to allow reading a single indexed u32 value from a device-tree property containing multiple u32 values, that is an array of integers. Signed-off-by: Dario Binacchi Reviewed-by: Simon Glass --- test/dm/test-fdt.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'test/dm') diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c index b39777f082..7c9472a358 100644 --- a/test/dm/test-fdt.c +++ b/test/dm/test-fdt.c @@ -905,6 +905,35 @@ static int dm_test_read_int(struct unit_test_state *uts) } DM_TEST(dm_test_read_int, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); +static int dm_test_read_int_index(struct unit_test_state *uts) +{ + struct udevice *dev; + u32 val32; + + ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev)); + ut_asserteq_str("a-test", dev->name); + + ut_asserteq(-EINVAL, dev_read_u32_index(dev, "missing", 0, &val32)); + ut_asserteq(19, dev_read_u32_index_default(dev, "missing", 0, 19)); + + ut_assertok(dev_read_u32_index(dev, "int-array", 0, &val32)); + ut_asserteq(5678, val32); + ut_assertok(dev_read_u32_index(dev, "int-array", 1, &val32)); + ut_asserteq(9123, val32); + ut_assertok(dev_read_u32_index(dev, "int-array", 2, &val32)); + ut_asserteq(4567, val32); + ut_asserteq(-EOVERFLOW, dev_read_u32_index(dev, "int-array", 3, + &val32)); + + ut_asserteq(5678, dev_read_u32_index_default(dev, "int-array", 0, 2)); + ut_asserteq(9123, dev_read_u32_index_default(dev, "int-array", 1, 2)); + ut_asserteq(4567, dev_read_u32_index_default(dev, "int-array", 2, 2)); + ut_asserteq(2, dev_read_u32_index_default(dev, "int-array", 3, 2)); + + return 0; +} +DM_TEST(dm_test_read_int_index, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + /* Test iteration through devices by drvdata */ static int dm_test_uclass_drvdata(struct unit_test_state *uts) { -- cgit