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Subject[RFC v3 16/19] arch: um: make UML unflatten device tree when testing
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Make UML unflatten any present device trees when running KUnit tests.

Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
---
arch/um/kernel/um_arch.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index a818ccef30ca2..bd58ae3bf4148 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -13,6 +13,7 @@
#include <linux/sched.h>
#include <linux/sched/task.h>
#include <linux/kmsg_dump.h>
+#include <linux/of_fdt.h>

#include <asm/pgtable.h>
#include <asm/processor.h>
@@ -347,6 +348,9 @@ void __init setup_arch(char **cmdline_p)
read_initrd();

paging_init();
+#if IS_ENABLED(CONFIG_OF_UNITTEST)
+ unflatten_device_tree();
+#endif
strlcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
*cmdline_p = command_line;
setup_hostinfo(host_info, sizeof host_info);
--
2.20.0.rc0.387.gc7a69e6b6c-goog
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