[PATCH V3 08/11] MIPS: Let __dt_register_buses accept a single bus type

[Kevin Cernekee]

Some machines only have one bus type to register (e.g. "simple-bus").

Signed-off-by: Kevin Cernekee <cernekee@xxxxxxxxx>
---
 arch/mips/kernel/prom.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c
index 452d4350ce42..e303cb1ef2f4 100644
--- a/arch/mips/kernel/prom.c
+++ b/arch/mips/kernel/prom.c
@@ -64,7 +64,10 @@ int __init __dt_register_buses(const char *bus0, const char *bus1)
 		panic("device tree not present");
 
 	strlcpy(of_ids[0].compatible, bus0, sizeof(of_ids[0].compatible));
-	strlcpy(of_ids[1].compatible, bus1, sizeof(of_ids[1].compatible));
+	if (bus1) {
+		strlcpy(of_ids[1].compatible, bus1,
+			sizeof(of_ids[1].compatible));
+	}
 
 	if (of_platform_populate(NULL, of_ids, NULL, NULL))
 		panic("failed to populate DT");
-- 
2.1.1

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