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Message-Id: <200707160048.l6G0mBIH010145@goober>
Date: Mon, 16 Jul 2007 10:48:11 +1000
From: Greg Ungerer <gerg@...pgear.com>
To: torvalds@...ux-foundation.org
Cc: gerg@...inux.org, linux-kernel@...r.kernel.org
Subject: [M68KNOMMU]: remove cruft from setup code
Clean up the m68knommu/kernel/setup.c. It is just full of old junk.
. removed unused includes
. removed unused conditional code (with unused defines)
. removed unused code
. removed unused function prototypes and variables
. remove old/wrong comments
. retabed code that was inconsistently formated
. correct copyrights
Signed-off-by: Greg Ungerer <gerg@...inux.org>
---
diff -Naur linux-2.6.22/arch/m68knommu/kernel/setup.c linux-2.6.22-uc0/arch/m68knommu/kernel/setup.c
--- linux-2.6.22/arch/m68knommu/kernel/setup.c 2007-07-12 15:23:02.000000000 +1000
+++ linux-2.6.22-uc0/arch/m68knommu/kernel/setup.c 2007-07-12 15:27:00.000000000 +1000
@@ -1,8 +1,8 @@
/*
* linux/arch/m68knommu/kernel/setup.c
*
- * Copyright (C) 1999-2004 Greg Ungerer (gerg@...pgear.com)
- * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@...eo.ca>
+ * Copyright (C) 1999-2007 Greg Ungerer (gerg@...pgear.com)
+ * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@...inux.org>
* Copyleft ()) 2000 James D. Schettine {james@...os-systems.com}
* Copyright (C) 1998 Kenneth Albanowski <kjahds@...hds.com>
* Copyright (C) 1995 Hamish Macdonald
@@ -20,17 +20,13 @@
#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
-#include <linux/fs.h>
#include <linux/fb.h>
#include <linux/module.h>
#include <linux/console.h>
-#include <linux/genhd.h>
#include <linux/errno.h>
#include <linux/string.h>
-#include <linux/major.h>
#include <linux/bootmem.h>
#include <linux/seq_file.h>
-#include <linux/root_dev.h>
#include <linux/init.h>
#include <asm/setup.h>
@@ -46,34 +42,14 @@
char __initdata command_line[COMMAND_LINE_SIZE];
-/* setup some dummy routines */
-static void dummy_waitbut(void)
-{
-}
-
-void (*mach_sched_init) (irq_handler_t handler);
-void (*mach_tick)( void );
-/* machine dependent keyboard functions */
-int (*mach_keyb_init) (void);
-int (*mach_kbdrate) (struct kbd_repeat *);
-void (*mach_kbd_leds) (unsigned int);
-/* machine dependent irq functions */
-void (*mach_init_IRQ) (void);
-irq_handler_t mach_default_handler;
-int (*mach_get_irq_list) (struct seq_file *, void *);
-void (*mach_process_int) (int irq, struct pt_regs *fp);
-void (*mach_trap_init) (void);
/* machine dependent timer functions */
-unsigned long (*mach_gettimeoffset) (void);
-void (*mach_gettod) (int*, int*, int*, int*, int*, int*);
-int (*mach_hwclk) (int, struct rtc_time*);
-int (*mach_set_clock_mmss) (unsigned long);
-void (*mach_mksound)( unsigned int count, unsigned int ticks );
-void (*mach_reset)( void );
-void (*waitbut)(void) = dummy_waitbut;
-void (*mach_debug_init)(void);
-void (*mach_halt)( void );
-void (*mach_power_off)( void );
+void (*mach_gettod)(int*, int*, int*, int*, int*, int*);
+int (*mach_set_clock_mmss)(unsigned long);
+
+/* machine dependent reboot functions */
+void (*mach_reset)(void);
+void (*mach_halt)(void);
+void (*mach_power_off)(void);
#ifdef CONFIG_M68000
@@ -134,13 +110,6 @@
#define CPU "UNKNOWN"
#endif
-/* (es) */
-/* note: why is this defined here? the must be a better place to put this */
-#if defined( CONFIG_TELOS) || defined( CONFIG_UCDIMM ) || defined( CONFIG_UCSIMM ) || defined(CONFIG_DRAGEN2) || (defined( CONFIG_PILOT ) && defined( CONFIG_M68328 ))
-#define CAT_ROMARRAY
-#endif
-/* (/es) */
-
extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end;
extern int _ramstart, _ramend;
@@ -148,15 +117,8 @@
{
int bootmap_size;
-#if defined(CAT_ROMARRAY) && defined(DEBUG)
- extern int __data_rom_start;
- extern int __data_start;
- int *romarray = (int *)((int) &__data_rom_start +
- (int)&_edata - (int)&__data_start);
-#endif
-
memory_start = PAGE_ALIGN(_ramstart);
- memory_end = _ramend; /* by now the stack is part of the init task */
+ memory_end = _ramend;
init_mm.start_code = (unsigned long) &_stext;
init_mm.end_code = (unsigned long) &_etext;
@@ -218,15 +185,9 @@
"BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext,
(int) &_sdata, (int) &_edata,
(int) &_sbss, (int) &_ebss);
- printk(KERN_DEBUG "KERNEL -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x "
- "STACK=0x%06x-0x%06x\n",
-#ifdef CAT_ROMARRAY
- (int) romarray, ((int) romarray) + romarray[2],
-#else
+ printk(KERN_DEBUG "MEMORY -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x\n ",
(int) &_ebss, (int) memory_start,
-#endif
- (int) memory_start, (int) memory_end,
- (int) memory_end, (int) _ramend);
+ (int) memory_start, (int) memory_end);
#endif
/* Keep a copy of command line */
@@ -268,32 +229,33 @@
/*
* Get CPU information for use by the procfs.
*/
-
static int show_cpuinfo(struct seq_file *m, void *v)
{
- char *cpu, *mmu, *fpu;
- u_long clockfreq;
+ char *cpu, *mmu, *fpu;
+ u_long clockfreq;
- cpu = CPU;
- mmu = "none";
- fpu = "none";
+ cpu = CPU;
+ mmu = "none";
+ fpu = "none";
#ifdef CONFIG_COLDFIRE
- clockfreq = (loops_per_jiffy*HZ)*3;
+ clockfreq = (loops_per_jiffy * HZ) * 3;
#else
- clockfreq = (loops_per_jiffy*HZ)*16;
+ clockfreq = (loops_per_jiffy * HZ) * 16;
#endif
- seq_printf(m, "CPU:\t\t%s\n"
- "MMU:\t\t%s\n"
- "FPU:\t\t%s\n"
- "Clocking:\t%lu.%1luMHz\n"
- "BogoMips:\t%lu.%02lu\n"
- "Calibration:\t%lu loops\n",
- cpu, mmu, fpu,
- clockfreq/1000000,(clockfreq/100000)%10,
- (loops_per_jiffy*HZ)/500000,((loops_per_jiffy*HZ)/5000)%100,
- (loops_per_jiffy*HZ));
+ seq_printf(m, "CPU:\t\t%s\n"
+ "MMU:\t\t%s\n"
+ "FPU:\t\t%s\n"
+ "Clocking:\t%lu.%1luMHz\n"
+ "BogoMips:\t%lu.%02lu\n"
+ "Calibration:\t%lu loops\n",
+ cpu, mmu, fpu,
+ clockfreq / 1000000,
+ (clockfreq / 100000) % 10,
+ (loops_per_jiffy * HZ) / 500000,
+ ((loops_per_jiffy * HZ) / 5000) % 100,
+ (loops_per_jiffy * HZ));
return 0;
}
@@ -320,12 +282,3 @@
.show = show_cpuinfo,
};
-void arch_gettod(int *year, int *mon, int *day, int *hour,
- int *min, int *sec)
-{
- if (mach_gettod)
- mach_gettod(year, mon, day, hour, min, sec);
- else
- *year = *mon = *day = *hour = *min = *sec = 0;
-}
-
-
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