dm: core: Add a way to read platdata for all child devices
When generating ACPI tables we need to make sure that all devices have
read their platform data, so that they can generate the tables correctly.
Rather than adding this code in ACPI, create a core function to handle it.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c
index d59c449..8fe4425 100644
--- a/test/dm/test-fdt.c
+++ b/test/dm/test-fdt.c
@@ -872,3 +872,22 @@
return 0;
}
DM_TEST(dm_test_read_int, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test device_first_child_ofdata_err(), etc. */
+static int dm_test_child_ofdata(struct unit_test_state *uts)
+{
+ struct udevice *bus, *dev;
+ int count;
+
+ ut_assertok(uclass_first_device_err(UCLASS_TEST_BUS, &bus));
+ count = 0;
+ device_foreach_child_ofdata_to_platdata(dev, bus) {
+ ut_assert(dev->flags & DM_FLAG_PLATDATA_VALID);
+ ut_assert(!(dev->flags & DM_FLAG_ACTIVATED));
+ count++;
+ }
+ ut_asserteq(3, count);
+
+ return 0;
+}
+DM_TEST(dm_test_child_ofdata, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);