[MIPS] RBTX49x7: declare prom_getcmdline()

Fix a bunch of warnings caused by a missing prom_getcmdline() prototype.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
index 735cb8778f4c..7316a78fdd68 100644
--- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
+++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
@@ -137,6 +137,8 @@ int tx4927_using_backplane = 0;
 extern void gt64120_time_init(void);
 extern void toshiba_rbtx4927_irq_setup(void);
 
+char *prom_getcmdline(void);
+
 #ifdef CONFIG_PCI
 #define CONFIG_TX4927BUG_WORKAROUND
 #undef TX4927_SUPPORT_COMMAND_IO