提交 8378b924 编写于 作者: D Dmitry Torokhov 提交者: Linus Torvalds

[PATCH] I8K: initialization code cleanup; formatting

I8K: use module_{init|exit} instead of old style #ifdef MODULE
     code, some formatting changes.
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 352f8f8b
...@@ -87,14 +87,14 @@ static struct file_operations i8k_fops = { ...@@ -87,14 +87,14 @@ static struct file_operations i8k_fops = {
.ioctl = i8k_ioctl, .ioctl = i8k_ioctl,
}; };
typedef struct { struct smm_regs {
unsigned int eax; unsigned int eax;
unsigned int ebx __attribute__ ((packed)); unsigned int ebx __attribute__ ((packed));
unsigned int ecx __attribute__ ((packed)); unsigned int ecx __attribute__ ((packed));
unsigned int edx __attribute__ ((packed)); unsigned int edx __attribute__ ((packed));
unsigned int esi __attribute__ ((packed)); unsigned int esi __attribute__ ((packed));
unsigned int edi __attribute__ ((packed)); unsigned int edi __attribute__ ((packed));
} SMMRegisters; };
static inline char *i8k_get_dmi_data(int field) static inline char *i8k_get_dmi_data(int field)
{ {
...@@ -104,7 +104,7 @@ 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. * 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 rc;
int eax = regs->eax; int eax = regs->eax;
...@@ -134,9 +134,8 @@ static int i8k_smm(SMMRegisters * regs) ...@@ -134,9 +134,8 @@ static int i8k_smm(SMMRegisters * regs)
: "a"(regs) : "a"(regs)
: "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory"); : "%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 -EINVAL;
}
return 0; return 0;
} }
...@@ -147,15 +146,9 @@ static int i8k_smm(SMMRegisters * regs) ...@@ -147,15 +146,9 @@ static int i8k_smm(SMMRegisters * regs)
*/ */
static int i8k_get_bios_version(void) static int i8k_get_bios_version(void)
{ {
SMMRegisters regs = { 0, 0, 0, 0, 0, 0 }; struct smm_regs regs = { .eax = I8K_SMM_BIOS_VERSION, };
int rc;
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) ...@@ -163,13 +156,11 @@ static int i8k_get_bios_version(void)
*/ */
static int i8k_get_fn_status(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; int rc;
regs.eax = I8K_SMM_FN_STATUS; if ((rc = i8k_smm(&regs)) < 0)
if ((rc = i8k_smm(&regs)) < 0) {
return rc; return rc;
}
switch ((regs.eax >> I8K_FN_SHIFT) & I8K_FN_MASK) { switch ((regs.eax >> I8K_FN_SHIFT) & I8K_FN_MASK) {
case I8K_FN_UP: case I8K_FN_UP:
...@@ -188,20 +179,13 @@ static int i8k_get_fn_status(void) ...@@ -188,20 +179,13 @@ static int i8k_get_fn_status(void)
*/ */
static int i8k_get_power_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; int rc;
regs.eax = I8K_SMM_POWER_STATUS; if ((rc = i8k_smm(&regs)) < 0)
if ((rc = i8k_smm(&regs)) < 0) {
return rc; return rc;
}
switch (regs.eax & 0xff) { return (regs.eax & 0xff) == I8K_POWER_AC ? I8K_AC : I8K_BATTERY;
case I8K_POWER_AC:
return I8K_AC;
default:
return I8K_BATTERY;
}
} }
/* /*
...@@ -209,16 +193,10 @@ static int i8k_get_power_status(void) ...@@ -209,16 +193,10 @@ static int i8k_get_power_status(void)
*/ */
static int i8k_get_fan_status(int fan) static int i8k_get_fan_status(int fan)
{ {
SMMRegisters regs = { 0, 0, 0, 0, 0, 0 }; struct smm_regs regs = { .eax = I8K_SMM_GET_FAN, };
int rc;
regs.eax = I8K_SMM_GET_FAN;
regs.ebx = fan & 0xff; regs.ebx = fan & 0xff;
if ((rc = i8k_smm(&regs)) < 0) { return i8k_smm(&regs) ? : regs.eax & 0xff;
return rc;
}
return (regs.eax & 0xff);
} }
/* /*
...@@ -226,16 +204,10 @@ static int i8k_get_fan_status(int fan) ...@@ -226,16 +204,10 @@ static int i8k_get_fan_status(int fan)
*/ */
static int i8k_get_fan_speed(int fan) static int i8k_get_fan_speed(int fan)
{ {
SMMRegisters regs = { 0, 0, 0, 0, 0, 0 }; struct smm_regs regs = { .eax = I8K_SMM_GET_SPEED, };
int rc;
regs.eax = I8K_SMM_GET_SPEED;
regs.ebx = fan & 0xff; regs.ebx = fan & 0xff;
if ((rc = i8k_smm(&regs)) < 0) { return i8k_smm(&regs) ? : (regs.eax & 0xffff) * I8K_FAN_MULT;
return rc;
}
return (regs.eax & 0xffff) * I8K_FAN_MULT;
} }
/* /*
...@@ -243,18 +215,12 @@ static int i8k_get_fan_speed(int fan) ...@@ -243,18 +215,12 @@ static int i8k_get_fan_speed(int fan)
*/ */
static int i8k_set_fan(int fan, int speed) static int i8k_set_fan(int fan, int speed)
{ {
SMMRegisters regs = { 0, 0, 0, 0, 0, 0 }; struct smm_regs regs = { .eax = I8K_SMM_SET_FAN, };
int rc;
speed = (speed < 0) ? 0 : ((speed > I8K_FAN_MAX) ? I8K_FAN_MAX : speed); speed = (speed < 0) ? 0 : ((speed > I8K_FAN_MAX) ? I8K_FAN_MAX : speed);
regs.eax = I8K_SMM_SET_FAN;
regs.ebx = (fan & 0xff) | (speed << 8); 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) ...@@ -262,18 +228,17 @@ static int i8k_set_fan(int fan, int speed)
*/ */
static int i8k_get_cpu_temp(void) 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 rc;
int temp; int temp;
#ifdef I8K_TEMPERATURE_BUG #ifdef I8K_TEMPERATURE_BUG
static int prev = 0; static int prev;
#endif #endif
regs.eax = I8K_SMM_GET_TEMP; if ((rc = i8k_smm(&regs)) < 0)
if ((rc = i8k_smm(&regs)) < 0) {
return rc; return rc;
}
temp = regs.eax & 0xff; temp = regs.eax & 0xff;
#ifdef I8K_TEMPERATURE_BUG #ifdef I8K_TEMPERATURE_BUG
...@@ -297,19 +262,13 @@ static int i8k_get_cpu_temp(void) ...@@ -297,19 +262,13 @@ static int i8k_get_cpu_temp(void)
static int i8k_get_dell_signature(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; int rc;
regs.eax = I8K_SMM_GET_DELL_SIG; if ((rc = i8k_smm(&regs)) < 0)
if ((rc = i8k_smm(&regs)) < 0) {
return rc; return rc;
}
if ((regs.eax == 1145651527) && (regs.edx == 1145392204)) { return regs.eax == 1145651527 && regs.edx == 1145392204 ? 0 : -1;
return 0;
} else {
return -1;
}
} }
static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd, 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, ...@@ -346,29 +305,29 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
break; break;
case I8K_GET_SPEED: case I8K_GET_SPEED:
if (copy_from_user(&val, argp, sizeof(int))) { if (copy_from_user(&val, argp, sizeof(int)))
return -EFAULT; return -EFAULT;
}
val = i8k_get_fan_speed(val); val = i8k_get_fan_speed(val);
break; break;
case I8K_GET_FAN: case I8K_GET_FAN:
if (copy_from_user(&val, argp, sizeof(int))) { if (copy_from_user(&val, argp, sizeof(int)))
return -EFAULT; return -EFAULT;
}
val = i8k_get_fan_status(val); val = i8k_get_fan_status(val);
break; break;
case I8K_SET_FAN: case I8K_SET_FAN:
if (restricted && !capable(CAP_SYS_ADMIN)) { if (restricted && !capable(CAP_SYS_ADMIN))
return -EPERM; return -EPERM;
}
if (copy_from_user(&val, argp, sizeof(int))) { if (copy_from_user(&val, argp, sizeof(int)))
return -EFAULT; return -EFAULT;
}
if (copy_from_user(&speed, argp + 1, sizeof(int))) { if (copy_from_user(&speed, argp + 1, sizeof(int)))
return -EFAULT; return -EFAULT;
}
val = i8k_set_fan(val, speed); val = i8k_set_fan(val, speed);
break; break;
...@@ -376,25 +335,24 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd, ...@@ -376,25 +335,24 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
return -EINVAL; return -EINVAL;
} }
if (val < 0) { if (val < 0)
return val; return val;
}
switch (cmd) { switch (cmd) {
case I8K_BIOS_VERSION: case I8K_BIOS_VERSION:
if (copy_to_user(argp, &val, 4)) { if (copy_to_user(argp, &val, 4))
return -EFAULT; return -EFAULT;
}
break; break;
case I8K_MACHINE_ID: case I8K_MACHINE_ID:
if (copy_to_user(argp, buff, 16)) { if (copy_to_user(argp, buff, 16))
return -EFAULT; return -EFAULT;
}
break; break;
default: default:
if (copy_to_user(argp, &val, sizeof(int))) { if (copy_to_user(argp, &val, sizeof(int)))
return -EFAULT; return -EFAULT;
}
break; break;
} }
...@@ -415,11 +373,10 @@ static int i8k_proc_show(struct seq_file *seq, void *offset) ...@@ -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 */ left_speed = i8k_get_fan_speed(I8K_FAN_LEFT); /* 580 s */
right_speed = i8k_get_fan_speed(I8K_FAN_RIGHT); /* 580 s */ right_speed = i8k_get_fan_speed(I8K_FAN_RIGHT); /* 580 s */
fn_key = i8k_get_fn_status(); /* 750 s */ fn_key = i8k_get_fn_status(); /* 750 s */
if (power_status) { if (power_status)
ac_power = i8k_get_power_status(); /* 14700 s */ ac_power = i8k_get_power_status(); /* 14700 s */
} else { else
ac_power = -1; ac_power = -1;
}
/* /*
* Info: * Info:
...@@ -528,10 +485,7 @@ static int __init i8k_probe(void) ...@@ -528,10 +485,7 @@ static int __init i8k_probe(void)
return 0; return 0;
} }
#ifdef MODULE static int __init i8k_init(void)
static
#endif
int __init i8k_init(void)
{ {
struct proc_dir_entry *proc_i8k; struct proc_dir_entry *proc_i8k;
...@@ -554,19 +508,10 @@ int __init i8k_init(void) ...@@ -554,19 +508,10 @@ int __init i8k_init(void)
return 0; return 0;
} }
#ifdef MODULE static void __exit i8k_exit(void)
int init_module(void)
{ {
return i8k_init();
}
void cleanup_module(void)
{
/* Remove the proc entry */
remove_proc_entry("i8k", NULL); remove_proc_entry("i8k", NULL);
printk(KERN_INFO "i8k: module unloaded\n");
} }
#endif
/* end of file */ module_init(i8k_init);
module_exit(i8k_exit);
...@@ -66,7 +66,6 @@ static unsigned char misc_minors[DYNAMIC_MINORS / 8]; ...@@ -66,7 +66,6 @@ static unsigned char misc_minors[DYNAMIC_MINORS / 8];
extern int rtc_DP8570A_init(void); extern int rtc_DP8570A_init(void);
extern int rtc_MK48T08_init(void); extern int rtc_MK48T08_init(void);
extern int pmu_device_init(void); extern int pmu_device_init(void);
extern int i8k_init(void);
#ifdef CONFIG_PROC_FS #ifdef CONFIG_PROC_FS
static void *misc_seq_start(struct seq_file *seq, loff_t *pos) static void *misc_seq_start(struct seq_file *seq, loff_t *pos)
...@@ -312,9 +311,6 @@ static int __init misc_init(void) ...@@ -312,9 +311,6 @@ static int __init misc_init(void)
#endif #endif
#ifdef CONFIG_PMAC_PBOOK #ifdef CONFIG_PMAC_PBOOK
pmu_device_init(); pmu_device_init();
#endif
#ifdef CONFIG_I8K
i8k_init();
#endif #endif
if (register_chrdev(MISC_MAJOR,"misc",&misc_fops)) { if (register_chrdev(MISC_MAJOR,"misc",&misc_fops)) {
printk("unable to get major %d for misc devices\n", printk("unable to get major %d for misc devices\n",
......
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