From: Florian Tobias Schandinat Date: Wed, 10 Mar 2010 23:21:30 +0000 (-0800) Subject: viafb: yet another dead code removal X-Git-Tag: firefly_0821_release~9833^2~2759 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d8566b29e86ef3906dd6c0ea4a02c2a925748da5;p=firefly-linux-kernel-4.4.55.git 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 Cc: Scott Fang Cc: Joseph Chan Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/video/via/Makefile b/drivers/video/via/Makefile index e533b4b6aba4..eeed238ad6a2 100644 --- a/drivers/video/via/Makefile +++ b/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 diff --git a/drivers/video/via/global.c b/drivers/video/via/global.c index b675cdbb03ad..7fbc618526f4 100644 --- a/drivers/video/via/global.c +++ b/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; diff --git a/drivers/video/via/global.h b/drivers/video/via/global.h index d69d0ca99c2f..865b050683d1 100644 --- a/drivers/video/via/global.h +++ b/drivers/video/via/global.h @@ -35,7 +35,6 @@ #include "debug.h" -#include "iface.h" #include "viafbdev.h" #include "chip.h" #include "accel.h" diff --git a/drivers/video/via/iface.c b/drivers/video/via/iface.c deleted file mode 100644 index 1570636c8d51..000000000000 --- a/drivers/video/via/iface.c +++ /dev/null @@ -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; -} diff --git a/drivers/video/via/iface.h b/drivers/video/via/iface.h deleted file mode 100644 index 790ec3e3aea2..000000000000 --- a/drivers/video/via/iface.h +++ /dev/null @@ -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__ */ diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index 98e3bd11ae17..5f5b5e9ef500 100644 --- a/drivers/video/via/viafbdev.c +++ b/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)"); diff --git a/drivers/video/via/viafbdev.h b/drivers/video/via/viafbdev.h index 85aa20ea67e9..ecdaed841177 100644 --- a/drivers/video/via/viafbdev.h +++ b/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);