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Subject[PATCH V6 12/25] MIPS: Let __dt_register_buses accept a single bus type
Date
Some machines only have one bus type to register (e.g. "simple-bus").

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
---
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 452d435..e303cb1 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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