Cleanup console merge

Instead of checking for cetain architectures in the Makefile set
CONFIG_HW_CONSOLE in Config.in if we support a hardware console. 

drivers/char/Config.in

@@ -8,6 +8,9 @@ bool 'Virtual terminal' CONFIG_VT
 if [ "$CONFIG_VT" = "y" ]; then
    bool '  Support for console on virtual terminal' CONFIG_VT_CONSOLE
 fi
+if [ "$CONFIG_VT" = "y" -a "$CONFIG_S390" != "y" -a "$CONFIG_UM" != "y" ]; then
+   define_bool CONFIG_HW_CONSOLE y
+fi
 bool 'Non-standard serial port support' CONFIG_SERIAL_NONSTANDARD
 if [ "$CONFIG_SERIAL_NONSTANDARD" = "y" ]; then
    tristate '  Computone IntelliPort Plus serial support' CONFIG_COMPUTONE

drivers/char/Makefile

@@ -17,28 +17,8 @@ export-objs     :=	busmouse.o console.o keyboard.o sysrq.o \
 			sonypi.o tty_io.o tty_ioctl.o generic_serial.o rtc.o \
 			ip2main.o
 
-ifneq ($(ARCH),s390)
-	ifneq ($(ARCH),s390x)
-		ifneq ($(ARCH),um)
-			KEYMAP   =defkeymap.o
-			CONSOLE  =console.o
-		endif
-	endif
-endif
-
-ifdef CONFIG_Q40
-  SERIAL = serial.o
-endif
-
-ifeq ($(CONFIG_DECSTATION),y)
-  SERIAL   = decserial.o
-endif
-
-obj-$(CONFIG_VT) += vt.o vc_screen.o consolemap.o consolemap_deftbl.o $(CONSOLE) selection.o
-#obj-$(CONFIG_SERIAL) += $(SERIAL) # Fix for decserial.o
-
-obj-$(CONFIG_VT) += keyboard.o $(KEYMAP)
-
+obj-$(CONFIG_VT) += vt.o vc_screen.o consolemap.o consolemap_deftbl.o selection.o keyboard.o
+obj-$(CONFIG_HW_CONSOLE) += console.o defkeymap.o
 obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o
 obj-$(CONFIG_ATARI_DSP56K) += dsp56k.o
 obj-$(CONFIG_ROCKETPORT) += rocket.o

drivers/char/console.c

@@ -128,10 +128,6 @@ const struct consw *conswitchp;
 extern void vcs_make_devfs (unsigned int index, int unregister);
 extern void console_map_init(void);
 
-#ifndef MIN
-#define MIN(a,b)	((a) < (b) ? (a) : (b))
-#endif
-
 static struct tty_struct *console_table[MAX_NR_CONSOLES];
 static struct termios *console_termios[MAX_NR_CONSOLES];
 static struct termios *console_termios_locked[MAX_NR_CONSOLES];
@@ -748,7 +744,7 @@ int vc_resize(unsigned int lines, unsigned int cols,
 		video_size_row = sr;
 		screenbuf_size = ss;
 
-		rlth = MIN(osr, sr);
+		rlth = min(osr, sr);
 		rrem = sr - rlth;
 		ol = origin;
 		nl = (long) newscreens[currcons];
@@ -3028,9 +3024,7 @@ EXPORT_SYMBOL(video_scan_lines);
 EXPORT_SYMBOL(vc_resize);
 EXPORT_SYMBOL(fg_console);
 EXPORT_SYMBOL(console_blank_hook);
-#ifdef CONFIG_VT
 EXPORT_SYMBOL(vt_cons);
-#endif
 #ifndef VT_SINGLE_DRIVER
 EXPORT_SYMBOL(take_over_console);
 EXPORT_SYMBOL(give_up_console);