From 9127dc478cd6c3bae3f20df78ea932528cd6b092 Mon Sep 17 00:00:00 2001 From: Kevin Cernekee Date: Thu, 25 Dec 2014 09:49:07 -0800 Subject: [PATCH] MIPS: Let __dt_register_buses accept a single bus type Some machines only have one bus type to register (e.g. "simple-bus"). Signed-off-by: Kevin Cernekee Cc: f.fainelli@gmail.com Cc: jaedon.shin@gmail.com Cc: abrestic@chromium.org Cc: tglx@linutronix.de Cc: jason@lakedaemon.net Cc: jogo@openwrt.org Cc: arnd@arndb.de Cc: computersforpeace@gmail.com Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8845/ Signed-off-by: Ralf Baechle --- 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"); -- 2.39.5