viafb: yet another dead code removal

Remove some functions that were never executed and a related undocumented
module parameter.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Scott Fang <ScottFang@viatech.com.cn>
Cc: Joseph Chan <JosephChan@via.com.tw>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/via/Makefile

@@ -4,4 +4,4 @@
 
 obj-$(CONFIG_FB_VIA) += viafb.o
 
-viafb-y	:=viafbdev.o hw.o iface.o  via_i2c.o dvi.o lcd.o ioctl.o accel.o via_utility.o vt1636.o global.o tblDPASetting.o viamode.o tbl1636.o
+viafb-y	:=viafbdev.o hw.o via_i2c.o dvi.o lcd.o ioctl.o accel.o via_utility.o vt1636.o global.o tblDPASetting.o viamode.o tbl1636.o

drivers/video/via/global.c

@@ -23,7 +23,6 @@ int viafb_platform_epia_dvi = STATE_OFF;
 int viafb_device_lcd_dualedge = STATE_OFF;
 int viafb_bus_width = 12;
 int viafb_display_hardware_layout = HW_LAYOUT_LCD_DVI;
-int viafb_memsize;
 int viafb_DeviceStatus = CRT_Device;
 int viafb_hotplug;
 int viafb_refresh = 60;

drivers/video/via/global.h

@@ -35,7 +35,6 @@
 
 #include "debug.h"
 
-#include "iface.h"
 #include "viafbdev.h"
 #include "chip.h"
 #include "accel.h"

drivers/video/via/iface.c

@@ -1,78 +0,0 @@
-/*
- * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
- * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
-
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation;
- * either version 2, or (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
- * the implied warranty of MERCHANTABILITY or FITNESS FOR
- * A PARTICULAR PURPOSE.See the GNU General Public License
- * for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include "global.h"
-
-/* Get frame buffer size from VGA BIOS */
-
-unsigned int viafb_get_memsize(void)
-{
-	unsigned int m;
-
-	/* If memory size provided by user */
-	if (viafb_memsize)
-		m = viafb_memsize * Mb;
-	else {
-		m = (unsigned int)viafb_read_reg(VIASR, SR39);
-		m = m * (4 * Mb);
-
-		if ((m < (16 * Mb)) || (m > (64 * Mb)))
-			m = 16 * Mb;
-	}
-	DEBUG_MSG(KERN_INFO "framebuffer size = %d Mb\n", m / Mb);
-	return m;
-}
-
-/* Get Video Buffer Starting Physical Address(back door)*/
-
-unsigned long viafb_get_videobuf_addr(void)
-{
-	struct pci_dev *pdev = NULL;
-	unsigned char sys_mem;
-	unsigned char video_mem;
-	unsigned long sys_mem_size;
-	unsigned long video_mem_size;
-	/*system memory = 256 MB, video memory 64 MB */
-	unsigned long vmem_starting_adr = 0x0C000000;
-
-	pdev =
-	    (struct pci_dev *)pci_get_device(VIA_K800_BRIDGE_VID,
-					     VIA_K800_BRIDGE_DID, NULL);
-	if (pdev != NULL) {
-		pci_read_config_byte(pdev, VIA_K800_SYSTEM_MEMORY_REG,
-				     &sys_mem);
-		pci_read_config_byte(pdev, VIA_K800_VIDEO_MEMORY_REG,
-				     &video_mem);
-		video_mem = (video_mem & 0x70) >> 4;
-		sys_mem_size = ((unsigned long)sys_mem) << 24;
-		if (video_mem != 0)
-			video_mem_size = (1 << (video_mem)) * 1024 * 1024;
-		else
-			video_mem_size = 0;
-
-		vmem_starting_adr = sys_mem_size - video_mem_size;
-		pci_dev_put(pdev);
-	}
-
-	DEBUG_MSG(KERN_INFO "Video Memory Starting Address = %lx \n",
-		  vmem_starting_adr);
-	return vmem_starting_adr;
-}

drivers/video/via/iface.h

@@ -1,38 +0,0 @@
-/*
- * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
- * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
-
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation;
- * either version 2, or (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
- * the implied warranty of MERCHANTABILITY or FITNESS FOR
- * A PARTICULAR PURPOSE.See the GNU General Public License
- * for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef __IFACE_H__
-#define __IFACE_H__
-
-#define Kb  (1024)
-#define Mb  (Kb*Kb)
-
-#define VIA_K800_BRIDGE_VID         0x1106
-#define VIA_K800_BRIDGE_DID         0x3204
-
-#define VIA_K800_SYSTEM_MEMORY_REG  0x47
-#define VIA_K800_VIDEO_MEMORY_REG   0xA1
-
-extern int viafb_memsize;
-unsigned int viafb_get_memsize(void);
-unsigned long viafb_get_videobuf_addr(void);
-
-#endif /* __IFACE_H__ */

drivers/video/via/viafbdev.c

@@ -2215,8 +2215,6 @@ module_init(viafb_init);
 module_exit(viafb_exit);
 
 #ifdef MODULE
-module_param(viafb_memsize, int, S_IRUSR);
-
 module_param(viafb_mode, charp, S_IRUSR);
 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
 

drivers/video/via/viafbdev.h

@@ -91,7 +91,6 @@ extern int viafb_LCD2_ON;
 extern int viafb_LCD_ON;
 extern int viafb_DVI_ON;
 extern int viafb_hotplug;
-extern int viafb_memsize;
 
 extern int strict_strtoul(const char *cp, unsigned int base,
 	unsigned long *res);