sparc: Do not export prom_nb{get,put}char().

Never used outside of console_{32,64}.c
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/include/asm/oplib_32.h

@@ -104,12 +104,6 @@ extern int prom_getprev(void);
 
 /* Character operations to/from the console.... */
 
-/* Non-blocking get character from console. */
-extern int prom_nbgetchar(void);
-
-/* Non-blocking put character to console. */
-extern int prom_nbputchar(char character);
-
 /* Blocking get character from console. */
 extern char prom_getchar(void);
 

arch/sparc/include/asm/oplib_64.h

@@ -96,12 +96,6 @@ extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size);
 
 /* Character operations to/from the console.... */
 
-/* Non-blocking get character from console. */
-extern int prom_nbgetchar(void);
-
-/* Non-blocking put character to console. */
-extern int prom_nbputchar(char character);
-
 /* Blocking get character from console. */
 extern char prom_getchar(void);
 

arch/sparc/prom/console_32.c

@@ -19,8 +19,7 @@ extern void restore_current(void);
 /* Non blocking get character from console input device, returns -1
  * if no input was taken.  This can be used for polling.
  */
-int
-prom_nbgetchar(void)
+static int prom_nbgetchar(void)
 {
 	static char inc;
 	int i = -1;
@@ -51,8 +50,7 @@ prom_nbgetchar(void)
 /* Non blocking put character to console device, returns -1 if
  * unsuccessful.
  */
-int
-prom_nbputchar(char c)
+static int prom_nbputchar(char c)
 {
 	static char outc;
 	unsigned long flags;

arch/sparc/prom/console_64.c

@@ -18,8 +18,7 @@ extern int prom_stdin, prom_stdout;
 /* Non blocking get character from console input device, returns -1
  * if no input was taken.  This can be used for polling.
  */
-inline int
-prom_nbgetchar(void)
+static int prom_nbgetchar(void)
 {
 	unsigned long args[7];
 	char inc;
@@ -42,8 +41,7 @@ prom_nbgetchar(void)
 /* Non blocking put character to console device, returns -1 if
  * unsuccessful.
  */
-inline int
-prom_nbputchar(char c)
+static int prom_nbputchar(char c)
 {
 	unsigned long args[7];
 	char outc;