Commit 8378b924 authored by Dmitry Torokhov's avatar Dmitry Torokhov Committed by Linus Torvalds
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[PATCH] I8K: initialization code cleanup; formatting



I8K: use module_{init|exit} instead of old style #ifdef MODULE
     code, some formatting changes.

Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 352f8f8b
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+47 −102
Original line number Diff line number Diff line
@@ -87,14 +87,14 @@ static struct file_operations i8k_fops = {
	.ioctl		= i8k_ioctl,
};

typedef struct {
struct smm_regs {
	unsigned int eax;
	unsigned int ebx __attribute__ ((packed));
	unsigned int ecx __attribute__ ((packed));
	unsigned int edx __attribute__ ((packed));
	unsigned int esi __attribute__ ((packed));
	unsigned int edi __attribute__ ((packed));
} SMMRegisters;
};

static inline char *i8k_get_dmi_data(int field)
{
@@ -104,7 +104,7 @@ static inline char *i8k_get_dmi_data(int field)
/*
 * Call the System Management Mode BIOS. Code provided by Jonathan Buzzard.
 */
static int i8k_smm(SMMRegisters * regs)
static int i8k_smm(struct smm_regs *regs)
{
	int rc;
	int eax = regs->eax;
@@ -134,9 +134,8 @@ static int i8k_smm(SMMRegisters * regs)
	    :    "a"(regs)
	    :    "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory");

	if ((rc != 0) || ((regs->eax & 0xffff) == 0xffff) || (regs->eax == eax)) {
	if (rc != 0 || (regs->eax & 0xffff) == 0xffff || regs->eax == eax)
		return -EINVAL;
	}

	return 0;
}
@@ -147,15 +146,9 @@ static int i8k_smm(SMMRegisters * regs)
 */
static int i8k_get_bios_version(void)
{
	SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
	int rc;
	struct smm_regs regs = { .eax = I8K_SMM_BIOS_VERSION, };

	regs.eax = I8K_SMM_BIOS_VERSION;
	if ((rc = i8k_smm(&regs)) < 0) {
		return rc;
	}

	return regs.eax;
	return i8k_smm(&regs) ? : regs.eax;
}

/*
@@ -163,13 +156,11 @@ static int i8k_get_bios_version(void)
 */
static int i8k_get_fn_status(void)
{
	SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
	struct smm_regs regs = { .eax = I8K_SMM_FN_STATUS, };
	int rc;

	regs.eax = I8K_SMM_FN_STATUS;
	if ((rc = i8k_smm(&regs)) < 0) {
	if ((rc = i8k_smm(&regs)) < 0)
		return rc;
	}

	switch ((regs.eax >> I8K_FN_SHIFT) & I8K_FN_MASK) {
	case I8K_FN_UP:
@@ -188,20 +179,13 @@ static int i8k_get_fn_status(void)
 */
static int i8k_get_power_status(void)
{
	SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
	struct smm_regs regs = { .eax = I8K_SMM_POWER_STATUS, };
	int rc;

	regs.eax = I8K_SMM_POWER_STATUS;
	if ((rc = i8k_smm(&regs)) < 0) {
	if ((rc = i8k_smm(&regs)) < 0)
		return rc;
	}

	switch (regs.eax & 0xff) {
	case I8K_POWER_AC:
		return I8K_AC;
	default:
		return I8K_BATTERY;
	}
	return (regs.eax & 0xff) == I8K_POWER_AC ? I8K_AC : I8K_BATTERY;
}

/*
@@ -209,16 +193,10 @@ static int i8k_get_power_status(void)
 */
static int i8k_get_fan_status(int fan)
{
	SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
	int rc;
	struct smm_regs regs = { .eax = I8K_SMM_GET_FAN, };

	regs.eax = I8K_SMM_GET_FAN;
	regs.ebx = fan & 0xff;
	if ((rc = i8k_smm(&regs)) < 0) {
		return rc;
	}

	return (regs.eax & 0xff);
	return i8k_smm(&regs) ? : regs.eax & 0xff;
}

/*
@@ -226,16 +204,10 @@ static int i8k_get_fan_status(int fan)
 */
static int i8k_get_fan_speed(int fan)
{
	SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
	int rc;
	struct smm_regs regs = { .eax = I8K_SMM_GET_SPEED, };

	regs.eax = I8K_SMM_GET_SPEED;
	regs.ebx = fan & 0xff;
	if ((rc = i8k_smm(&regs)) < 0) {
		return rc;
	}

	return (regs.eax & 0xffff) * I8K_FAN_MULT;
	return i8k_smm(&regs) ? : (regs.eax & 0xffff) * I8K_FAN_MULT;
}

/*
@@ -243,18 +215,12 @@ static int i8k_get_fan_speed(int fan)
 */
static int i8k_set_fan(int fan, int speed)
{
	SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
	int rc;
	struct smm_regs regs = { .eax = I8K_SMM_SET_FAN, };

	speed = (speed < 0) ? 0 : ((speed > I8K_FAN_MAX) ? I8K_FAN_MAX : speed);

	regs.eax = I8K_SMM_SET_FAN;
	regs.ebx = (fan & 0xff) | (speed << 8);
	if ((rc = i8k_smm(&regs)) < 0) {
		return rc;
	}

	return (i8k_get_fan_status(fan));
	return i8k_smm(&regs) ? : i8k_get_fan_status(fan);
}

/*
@@ -262,18 +228,17 @@ static int i8k_set_fan(int fan, int speed)
 */
static int i8k_get_cpu_temp(void)
{
	SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
	struct smm_regs regs = { .eax = I8K_SMM_GET_TEMP, };
	int rc;
	int temp;

#ifdef I8K_TEMPERATURE_BUG
	static int prev = 0;
	static int prev;
#endif

	regs.eax = I8K_SMM_GET_TEMP;
	if ((rc = i8k_smm(&regs)) < 0) {
	if ((rc = i8k_smm(&regs)) < 0)
		return rc;
	}

	temp = regs.eax & 0xff;

#ifdef I8K_TEMPERATURE_BUG
@@ -297,19 +262,13 @@ static int i8k_get_cpu_temp(void)

static int i8k_get_dell_signature(void)
{
	SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
	struct smm_regs regs = { .eax = I8K_SMM_GET_DELL_SIG, };
	int rc;

	regs.eax = I8K_SMM_GET_DELL_SIG;
	if ((rc = i8k_smm(&regs)) < 0) {
	if ((rc = i8k_smm(&regs)) < 0)
		return rc;
	}

	if ((regs.eax == 1145651527) && (regs.edx == 1145392204)) {
		return 0;
	} else {
		return -1;
	}
	return regs.eax == 1145651527 && regs.edx == 1145392204 ? 0 : -1;
}

static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
@@ -346,29 +305,29 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
		break;

	case I8K_GET_SPEED:
		if (copy_from_user(&val, argp, sizeof(int))) {
		if (copy_from_user(&val, argp, sizeof(int)))
			return -EFAULT;
		}

		val = i8k_get_fan_speed(val);
		break;

	case I8K_GET_FAN:
		if (copy_from_user(&val, argp, sizeof(int))) {
		if (copy_from_user(&val, argp, sizeof(int)))
			return -EFAULT;
		}

		val = i8k_get_fan_status(val);
		break;

	case I8K_SET_FAN:
		if (restricted && !capable(CAP_SYS_ADMIN)) {
		if (restricted && !capable(CAP_SYS_ADMIN))
			return -EPERM;
		}
		if (copy_from_user(&val, argp, sizeof(int))) {

		if (copy_from_user(&val, argp, sizeof(int)))
			return -EFAULT;
		}
		if (copy_from_user(&speed, argp + 1, sizeof(int))) {

		if (copy_from_user(&speed, argp + 1, sizeof(int)))
			return -EFAULT;
		}

		val = i8k_set_fan(val, speed);
		break;

@@ -376,25 +335,24 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
		return -EINVAL;
	}

	if (val < 0) {
	if (val < 0)
		return val;
	}

	switch (cmd) {
	case I8K_BIOS_VERSION:
		if (copy_to_user(argp, &val, 4)) {
		if (copy_to_user(argp, &val, 4))
			return -EFAULT;
		}

		break;
	case I8K_MACHINE_ID:
		if (copy_to_user(argp, buff, 16)) {
		if (copy_to_user(argp, buff, 16))
			return -EFAULT;
		}

		break;
	default:
		if (copy_to_user(argp, &val, sizeof(int))) {
		if (copy_to_user(argp, &val, sizeof(int)))
			return -EFAULT;
		}

		break;
	}

@@ -415,11 +373,10 @@ static int i8k_proc_show(struct seq_file *seq, void *offset)
	left_speed	= i8k_get_fan_speed(I8K_FAN_LEFT);	/*   580 s */
	right_speed	= i8k_get_fan_speed(I8K_FAN_RIGHT);	/*   580 s */
	fn_key		= i8k_get_fn_status();			/*   750 s */
	if (power_status) {
	if (power_status)
		ac_power = i8k_get_power_status();		/* 14700 s */
	} else {
	else
		ac_power = -1;
	}

	/*
	 * Info:
@@ -528,10 +485,7 @@ static int __init i8k_probe(void)
	return 0;
}

#ifdef MODULE
static
#endif
int __init i8k_init(void)
static int __init i8k_init(void)
{
	struct proc_dir_entry *proc_i8k;

@@ -554,19 +508,10 @@ int __init i8k_init(void)
	return 0;
}

#ifdef MODULE
int init_module(void)
{
	return i8k_init();
}

void cleanup_module(void)
static void __exit i8k_exit(void)
{
	/* Remove the proc entry */
	remove_proc_entry("i8k", NULL);

	printk(KERN_INFO "i8k: module unloaded\n");
}
#endif

/* end of file */
module_init(i8k_init);
module_exit(i8k_exit);
+0 −4
Original line number Diff line number Diff line
@@ -66,7 +66,6 @@ static unsigned char misc_minors[DYNAMIC_MINORS / 8];
extern int rtc_DP8570A_init(void);
extern int rtc_MK48T08_init(void);
extern int pmu_device_init(void);
extern int i8k_init(void);

#ifdef CONFIG_PROC_FS
static void *misc_seq_start(struct seq_file *seq, loff_t *pos)
@@ -312,9 +311,6 @@ static int __init misc_init(void)
#endif
#ifdef CONFIG_PMAC_PBOOK
	pmu_device_init();
#endif
#ifdef CONFIG_I8K
	i8k_init();
#endif
	if (register_chrdev(MISC_MAJOR,"misc",&misc_fops)) {
		printk("unable to get major %d for misc devices\n",