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-rw-r--r--test/dm/acpi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/dm/acpi.c b/test/dm/acpi.c
index b94c4ba4d1..bb8550ffb1 100644
--- a/test/dm/acpi.c
+++ b/test/dm/acpi.c
@@ -190,7 +190,10 @@ DM_TEST(dm_test_acpi_get_table_revision,
static int dm_test_acpi_create_dmar(struct unit_test_state *uts)
{
struct acpi_dmar dmar;
+ struct udevice *cpu;
+ ut_assertok(uclass_first_device(UCLASS_CPU, &cpu));
+ ut_assertnonnull(cpu);
ut_assertok(acpi_create_dmar(&dmar, DMAR_INTR_REMAP));
ut_asserteq(DMAR_INTR_REMAP, dmar.flags);
ut_asserteq(32 - 1, dmar.host_address_width);