[PATCH] 68328serial: sysrq should use emergency_reboot

The 68328serial.c driver has a weird local reimplementation of
magic sysrq.  The code is architecture specific enough that calling
machine_restart() is probably ok.  But there is no reason not to call
emergency_restart() so do so.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/serial/68328serial.c

@@ -316,7 +316,7 @@ static _INLINE_ void receive_chars(struct m68k_serial *info, struct pt_regs *reg
 /*				show_net_buffers(); */
 				return;
 			} else if (ch == 0x12) { /* ^R */
-				machine_restart(NULL);
+				emergency_restart();
 				return;
 #endif /* CONFIG_MAGIC_SYSRQ */
 			}