[POWERPC] fix showing xmon help

In some configuration, xmon help string is larger than xmon_printf
buffer.  We need not to use printf.  This patch adds xmon_puts and
change to use it to show help string.

Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Signed-off-by: Paul Mackerras <paulus@samba.org>

3 files changed, 7 insertions, 1 deletions

diff --git a/arch/powerpc/xmon/nonstdio.c b/arch/powerpc/xmon/nonstdio.c
index 78765833f4c0..bfac84fbe780 100644
--- a/arch/powerpc/xmon/nonstdio.c
+++ b/arch/powerpc/xmon/nonstdio.c
@@ -132,3 +132,8 @@ void xmon_printf(const char *format, ...)
         va_end(args);
         xmon_write(xmon_outbuf, n);
 }
+
+void xmon_puts(const char *str)
+{
+        xmon_write(str, strlen(str));
+}
diff --git a/arch/powerpc/xmon/nonstdio.h b/arch/powerpc/xmon/nonstdio.h
index 22ec1bb8b720..23dd95f4599c 100644
--- a/arch/powerpc/xmon/nonstdio.h
+++ b/arch/powerpc/xmon/nonstdio.h
@@ -5,6 +5,7 @@
 
 extern int xmon_putchar(int c);
 extern int xmon_getchar(void);
+extern void xmon_puts(const char *);
 extern char *xmon_gets(char *, int);
 extern void xmon_printf(const char *, ...);
 extern void xmon_map_scc(void);
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 669e6566ad70..121b04d165d1 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -833,7 +833,7 @@ cmds(struct pt_regs *excp)
                         mdelay(2000);
                         return cmd;
                 case '?':
-                        printf(help_string);
+                        xmon_puts(help_string);
                         break;
                 case 'b':
                         bpt_cmds();