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Commit 971ddcf8 authored by Wim Van Sebroeck's avatar Wim Van Sebroeck
Browse files

[PATCH] nvram - CodingStyle



Bring drivers/char/nvram.c in line with the Coding Style.

Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent 3ad4f597
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+52 −74
Original line number Diff line number Diff line
@@ -46,7 +46,7 @@
/* select machine configuration */
#if defined(CONFIG_ATARI)
#  define MACH ATARI
#elif defined(__i386__) || defined(__x86_64__) || defined(__arm__)  /* and others?? */
#elif defined(__i386__) || defined(__x86_64__) || defined(__arm__)  /* and ?? */
#  define MACH PC
#else
#  error Cannot build nvram driver for this machine configuration.
@@ -107,9 +107,9 @@
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/spinlock.h>
#include <linux/io.h>
#include <linux/uaccess.h>

#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/system.h>

static DEFINE_SPINLOCK(nvram_state_lock);
@@ -137,14 +137,13 @@ static int mach_proc_infos(unsigned char *contents, char *buffer, int *len,
 * know about the RTC cruft.
 */

unsigned char
__nvram_read_byte(int i)
unsigned char __nvram_read_byte(int i)
{
	return CMOS_READ(NVRAM_FIRST_BYTE + i);
}
EXPORT_SYMBOL(__nvram_read_byte);

unsigned char
nvram_read_byte(int i)
unsigned char nvram_read_byte(int i)
{
	unsigned long flags;
	unsigned char c;
@@ -154,16 +153,16 @@ nvram_read_byte(int i)
	spin_unlock_irqrestore(&rtc_lock, flags);
	return c;
}
EXPORT_SYMBOL(nvram_read_byte);

/* This races nicely with trying to read with checksum checking (nvram_read) */
void
__nvram_write_byte(unsigned char c, int i)
void __nvram_write_byte(unsigned char c, int i)
{
	CMOS_WRITE(c, NVRAM_FIRST_BYTE + i);
}
EXPORT_SYMBOL(__nvram_write_byte);

void
nvram_write_byte(unsigned char c, int i)
void nvram_write_byte(unsigned char c, int i)
{
	unsigned long flags;

@@ -171,15 +170,15 @@ nvram_write_byte(unsigned char c, int i)
	__nvram_write_byte(c, i);
	spin_unlock_irqrestore(&rtc_lock, flags);
}
EXPORT_SYMBOL(nvram_write_byte);

int
__nvram_check_checksum(void)
int __nvram_check_checksum(void)
{
	return mach_check_checksum();
}
EXPORT_SYMBOL(__nvram_check_checksum);

int
nvram_check_checksum(void)
int nvram_check_checksum(void)
{
	unsigned long flags;
	int rv;
@@ -189,16 +188,15 @@ nvram_check_checksum(void)
	spin_unlock_irqrestore(&rtc_lock, flags);
	return rv;
}
EXPORT_SYMBOL(nvram_check_checksum);

static void
__nvram_set_checksum(void)
static void __nvram_set_checksum(void)
{
	mach_set_checksum();
}

#if 0
void
nvram_set_checksum(void)
void nvram_set_checksum(void)
{
	unsigned long flags;

@@ -230,8 +228,8 @@ static loff_t nvram_llseek(struct file *file,loff_t offset, int origin )
	return (offset >= 0) ? (file->f_pos = offset) : -EINVAL;
}

static ssize_t
nvram_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
static ssize_t nvram_read(struct file *file, char __user *buf,
						size_t count, loff_t *ppos)
{
	unsigned char contents[NVRAM_BYTES];
	unsigned i = *ppos;
@@ -259,8 +257,8 @@ nvram_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
	return -EIO;
}

static ssize_t
nvram_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
static ssize_t nvram_write(struct file *file, const char __user *buf,
						size_t count, loff_t *ppos)
{
	unsigned char contents[NVRAM_BYTES];
	unsigned i = *ppos;
@@ -292,8 +290,7 @@ nvram_write(struct file *file, const char __user *buf, size_t count, loff_t *ppo
	return -EIO;
}

static int
nvram_ioctl(struct inode *inode, struct file *file,
static int nvram_ioctl(struct inode *inode, struct file *file,
					unsigned int cmd, unsigned long arg)
{
	int i;
@@ -330,8 +327,7 @@ nvram_ioctl(struct inode *inode, struct file *file,
	}
}

static int
nvram_open(struct inode *inode, struct file *file)
static int nvram_open(struct inode *inode, struct file *file)
{
	lock_kernel();
	spin_lock(&nvram_state_lock);
@@ -356,8 +352,7 @@ nvram_open(struct inode *inode, struct file *file)
	return 0;
}

static int
nvram_release(struct inode *inode, struct file *file)
static int nvram_release(struct inode *inode, struct file *file)
{
	spin_lock(&nvram_state_lock);

@@ -375,16 +370,14 @@ nvram_release(struct inode *inode, struct file *file)
}

#ifndef CONFIG_PROC_FS
static int
nvram_read_proc(char *buffer, char **start, off_t offset,
static int nvram_read_proc(char *buffer, char **start, off_t offset,
						int size, int *eof, void *data)
{
	return 0;
}
#else

static int
nvram_read_proc(char *buffer, char **start, off_t offset,
static int nvram_read_proc(char *buffer, char **start, off_t offset,
						int size, int *eof, void *data)
{
	unsigned char contents[NVRAM_BYTES];
@@ -436,8 +429,7 @@ static struct miscdevice nvram_dev = {
	&nvram_fops
};

static int __init
nvram_init(void)
static int __init nvram_init(void)
{
	int ret;

@@ -466,8 +458,7 @@ nvram_init(void)
	goto out;
}

static void __exit
nvram_cleanup_module(void)
static void __exit nvram_cleanup_module(void)
{
	remove_proc_entry("driver/nvram", NULL);
	misc_deregister(&nvram_dev);
@@ -482,8 +473,7 @@ module_exit(nvram_cleanup_module);

#if MACH == PC

static int
pc_check_checksum(void)
static int pc_check_checksum(void)
{
	int i;
	unsigned short sum = 0;
@@ -493,11 +483,10 @@ pc_check_checksum(void)
		sum += __nvram_read_byte(i);
	expect = __nvram_read_byte(PC_CKS_LOC)<<8 |
	    __nvram_read_byte(PC_CKS_LOC+1);
	return ((sum & 0xffff) == expect);
	return (sum & 0xffff) == expect;
}

static void
pc_set_checksum(void)
static void pc_set_checksum(void)
{
	int i;
	unsigned short sum = 0;
@@ -522,8 +511,7 @@ static char *gfx_types[] = {
	"monochrome",
};

static int
pc_proc_infos(unsigned char *nvram, char *buffer, int *len,
static int pc_proc_infos(unsigned char *nvram, char *buffer, int *len,
					off_t *begin, off_t offset, int size)
{
	int checksum;
@@ -590,20 +578,18 @@ pc_proc_infos(unsigned char *nvram, char *buffer, int *len,

#if MACH == ATARI

static int
atari_check_checksum(void)
static int atari_check_checksum(void)
{
	int i;
	unsigned char sum = 0;

	for (i = ATARI_CKS_RANGE_START; i <= ATARI_CKS_RANGE_END; ++i)
		sum += __nvram_read_byte(i);
	return (__nvram_read_byte(ATARI_CKS_LOC) == (~sum & 0xff) &&
	    __nvram_read_byte(ATARI_CKS_LOC + 1) == (sum & 0xff));
	return (__nvram_read_byte(ATARI_CKS_LOC) == (~sum & 0xff)) &&
	    (__nvram_read_byte(ATARI_CKS_LOC + 1) == (sum & 0xff));
}

static void
atari_set_checksum(void)
static void atari_set_checksum(void)
{
	int i;
	unsigned char sum = 0;
@@ -654,8 +640,7 @@ static char *colors[] = {
	"2", "4", "16", "256", "65536", "??", "??", "??"
};

static int
atari_proc_infos(unsigned char *nvram, char *buffer, int *len,
static int atari_proc_infos(unsigned char *nvram, char *buffer, int *len,
					off_t *begin, off_t offset, int size)
{
	int checksum = nvram_check_checksum();
@@ -725,11 +710,4 @@ atari_proc_infos(unsigned char *nvram, char *buffer, int *len,
#endif /* MACH == ATARI */

MODULE_LICENSE("GPL");

EXPORT_SYMBOL(__nvram_read_byte);
EXPORT_SYMBOL(nvram_read_byte);
EXPORT_SYMBOL(__nvram_write_byte);
EXPORT_SYMBOL(nvram_write_byte);
EXPORT_SYMBOL(__nvram_check_checksum);
EXPORT_SYMBOL(nvram_check_checksum);
MODULE_ALIAS_MISCDEV(NVRAM_MINOR);