[PATCH] Serial: remove unnecessary register_serial/unregister_serial

A couple of drivers declare register_serial/unregister_serial prototypes
but don't use them.  FRV contains a commented out call to register_serial.
Since these are deprecated, remove these unnecessary references.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/frv/kernel/setup.c

@@ -790,12 +790,10 @@ void __init setup_arch(char **cmdline_p)
 #ifndef CONFIG_GDBSTUB_UART0
 	__reg(UART0_BASE + UART_IER * 8) = 0;
 	early_serial_setup(&__frv_uart0);
-//	register_serial(&__frv_uart0);
 #endif
 #ifndef CONFIG_GDBSTUB_UART1
 	__reg(UART1_BASE + UART_IER * 8) = 0;
 	early_serial_setup(&__frv_uart1);
-//	register_serial(&__frv_uart1);
 #endif
 
 #if defined(CONFIG_CHR_DEV_FLASH) || defined(CONFIG_BLK_DEV_FLASH)

arch/xtensa/platform-iss/console.c

@@ -198,9 +198,6 @@ static int rs_read_proc(char *page, char **start, off_t off, int count,
 }
 
 
-int register_serial(struct serial_struct*);
-void unregister_serial(int);
-
 static struct tty_operations serial_ops = {
 	.open = rs_open,
 	.close = rs_close,

drivers/char/amiserial.c

@@ -1973,10 +1973,6 @@ static _INLINE_ void show_serial_version(void)
 }
 
 
-int register_serial(struct serial_struct *req);
-void unregister_serial(int line);
-
-
 static struct tty_operations serial_ops = {
 	.open = rs_open,
 	.close = rs_close,