common: move extern char console_buffer[] to common.h

Extract all extern declarations for console_buffer[] out of c files into
the common.h header.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Cc: Frank Gottschling <fgottschling@eltec.de>
Cc: Murray Jensen <Murray.Jensen@csiro.au>

board/amcc/yucca/cmd_yucca.c

@@ -51,7 +51,6 @@ static int setBootStrapClock(cmd_tbl_t *cmdtp, int incrflag, int flag,
 	uchar	chip;
 	ulong	data;
 	int	nbytes;
-	extern char console_buffer[];
 
 	char sysClock[4];
 	char cpuClock[4];

board/eltec/bab7xx/misc.c

@@ -31,7 +31,6 @@
 #include "srom.h"
 
 /* imports  */
-extern char console_buffer[CONFIG_SYS_CBSIZE];
 extern int l2_cache_enable (int l2control);
 extern void *nvram_read (void *dest, const short src, size_t count);
 extern void nvram_write (short dest, const void *src, size_t count);

board/eltec/elppc/misc.c

@@ -29,7 +29,6 @@
 #include "srom.h"
 
 /* imports  */
-extern char console_buffer[CONFIG_SYS_CBSIZE];
 extern int l2_cache_enable (int l2control);
 extern int eepro100_write_eeprom (struct eth_device *dev, int location,
 				  int addr_len, unsigned short data);

board/eltec/mhpc/mhpc.c

@@ -35,9 +35,6 @@
 #include "mpc8xx.h"
 #include <video_fb.h>
 
-/* imports from common/main.c */
-extern char console_buffer[CONFIG_SYS_CBSIZE];
-
 extern void eeprom_init (void);
 extern int eeprom_read (unsigned dev_addr, unsigned offset,
 			unsigned char *buffer, unsigned cnt);

board/hymod/input.c

@@ -23,9 +23,6 @@
 
 #include <common.h>
 
-/* imports from common/main.c */
-extern char console_buffer[CONFIG_SYS_CBSIZE];
-
 int
 hymod_get_serno (const char *prompt)
 {

common/cmd_bedbug.c

@@ -15,7 +15,6 @@ DECLARE_GLOBAL_DATA_PTR;
 
 extern void show_regs __P ((struct pt_regs *));
 extern int run_command __P ((const char *, int));
-extern char console_buffer[];
 
 ulong dis_last_addr = 0;	/* Last address disassembled   */
 ulong dis_last_len = 20;	/* Default disassembler length */

common/cmd_dcr.c

@@ -68,7 +68,6 @@ int do_setdcr (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 
 	/* DCR's value */
 	int nbytes;
-	extern char console_buffer[];
 
 	/* Validate arguments */
 	if (argc < 2)

common/cmd_i2c.c

@@ -449,7 +449,6 @@ mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const arg
 	ulong	data;
 	int	size = 1;
 	int	nbytes;
-	extern char console_buffer[];
 
 	if (argc != 3)
 		return cmd_usage(cmdtp);

common/cmd_mem.c

@@ -977,7 +977,6 @@ mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const argv[])
 {
 	ulong	addr, i;
 	int	nbytes, size;
-	extern char console_buffer[];
 
 	if (argc != 2)
 		return cmd_usage(cmdtp);

common/cmd_nvedit.c

@@ -423,7 +423,6 @@ int do_env_set(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 #if defined(CONFIG_CMD_ASKENV)
 int do_env_ask(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-	extern char console_buffer[CONFIG_SYS_CBSIZE];
 	char message[CONFIG_SYS_CBSIZE];
 	int size = CONFIG_SYS_CBSIZE - 1;
 	int i, len, pos;

common/cmd_pci.c

@@ -341,7 +341,6 @@ pci_cfg_modify (pci_dev_t bdf, ulong addr, ulong size, ulong value, int incrflag
 {
 	ulong	i;
 	int	nbytes;
-	extern char console_buffer[];
 	uint	val4;
 	ushort  val2;
 	u_char	val1;

common/hush.c

@@ -1000,7 +1000,6 @@ static void get_user_input(struct in_str *i)
 	fflush(stdout);
 	i->p = the_command;
 #else
-	extern char console_buffer[];
 	int n;
 	static char the_command[CONFIG_SYS_CBSIZE];
 

common/modem.c

@@ -62,7 +62,6 @@ int mdm_init (void)
 	char env_str[16];
 	char *init_str;
 	int i;
-	extern char console_buffer[];
 	extern void enable_putc(void);
 	extern int hwflow_onoff(int);
 

include/common.h

@@ -272,6 +272,7 @@ void	reset_cmd_timeout(void);
 #ifdef CONFIG_MENU
 int	abortboot(int bootdelay);
 #endif
+extern char console_buffer[];
 
 /* arch/$(ARCH)/lib/board.c */
 void	board_init_f  (ulong) __attribute__ ((noreturn));