hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Florian Tobias Schandinat 2010-03-10 15:21:30 -08:00 committed by Linus Torvalds
parent c5f06f5cdd
commit d8566b29e8
7 changed files with 1 additions and 122 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/video/via/Makefile
View File

@ -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

1
drivers/video/via/global.c
View File

@ -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;

1
drivers/video/via/global.h
View File

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

78
drivers/video/via/iface.c
View File

@ -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;
}

38
drivers/video/via/iface.h
View File

@ -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__ */

2
drivers/video/via/viafbdev.c
View File

@ -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)");

1
drivers/video/via/viafbdev.h
View File

@ -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);