3 files changed, 3 insertions, 3 deletions

diff --git a/arch/powerpc/boot/ofconsole.c b/arch/powerpc/boot/ofconsole.c
index 00c9dc92dd2f..43c0f36c3326 100644
--- a/arch/powerpc/boot/ofconsole.c
+++ b/arch/powerpc/boot/ofconsole.c
@@ -33,7 +33,7 @@ static int of_console_open(void)
         return -1;
 }
 
-static void of_console_write(char *buf, int len)
+static void of_console_write(const char *buf, int len)
 {
         of_call_prom("write", 3, 1, of_stdout_handle, buf, len);
 }
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index 959124f3f9af..a1581b7f1779 100644
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -51,7 +51,7 @@ extern struct dt_ops dt_ops;
 /* Console operations */
 struct console_ops {
         int     (*open)(void);
-        void    (*write)(char *buf, int len);
+        void    (*write)(const char *buf, int len);
         void    (*edit_cmdline)(char *buf, int len);
         void    (*close)(void);
         void    *data;
diff --git a/arch/powerpc/boot/serial.c b/arch/powerpc/boot/serial.c
index 7fd32330a9a5..eaa0d3ae3518 100644
--- a/arch/powerpc/boot/serial.c
+++ b/arch/powerpc/boot/serial.c
@@ -27,7 +27,7 @@ static int serial_open(void)
         return scdp->open();
 }
 
-static void serial_write(char *buf, int len)
+static void serial_write(const char *buf, int len)
 {
         struct serial_console_data *scdp = console_ops.data;