of: unittest: unflatten device tree on UML when testing

UML supports enabling OF, and is useful for running the device tree
tests, so add support for unflattening device tree blobs so we can
actually use it.

Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>

diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 872956500c276382444f713b64b0c21596132cfe..66037511f2d707ae0d0f2392cfcf5e607500c4df 100644 (file)
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -2521,6 +2521,10 @@ static int __init of_unittest(void)
        int res;
 
        /* adding data for unittest */
+
+       if (IS_ENABLED(CONFIG_UML))
+               unittest_unflatten_overlay_base();
+
        res = unittest_data_add();
        if (res)
                return res;