diff options
| -rw-r--r-- | arch/x86/kernel/apm_32.c | 366 |
1 files changed, 196 insertions, 170 deletions
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c index 2467df7eca0..955dd43b167 100644 --- a/arch/x86/kernel/apm_32.c +++ b/arch/x86/kernel/apm_32.c @@ -323,7 +323,7 @@ extern int (*console_blank_hook)(int); /* * Ignore suspend events for this amount of time after a resume */ -#define DEFAULT_BOUNCE_INTERVAL (3 * HZ) +#define DEFAULT_BOUNCE_INTERVAL (3 * HZ) /* * Maximum number of events stored @@ -335,7 +335,7 @@ extern int (*console_blank_hook)(int); */ struct apm_user { int magic; - struct apm_user * next; + struct apm_user *next; unsigned int suser: 1; unsigned int writer: 1; unsigned int reader: 1; @@ -371,44 +371,44 @@ struct apm_user { static struct { unsigned long offset; unsigned short segment; -} apm_bios_entry; -static int clock_slowed; -static int idle_threshold __read_mostly = DEFAULT_IDLE_THRESHOLD; -static int idle_period __read_mostly = DEFAULT_IDLE_PERIOD; -static int set_pm_idle; -static int suspends_pending; -static int standbys_pending; -static int ignore_sys_suspend; -static int ignore_normal_resume; -static int bounce_interval __read_mostly = DEFAULT_BOUNCE_INTERVAL; - -static int debug __read_mostly; -static int smp __read_mostly; -static int apm_disabled = -1; +} apm_bios_entry; +static int clock_slowed; +static int idle_threshold __read_mostly = DEFAULT_IDLE_THRESHOLD; +static int idle_period __read_mostly = DEFAULT_IDLE_PERIOD; +static int set_pm_idle; +static int suspends_pending; +static int standbys_pending; +static int ignore_sys_suspend; +static int ignore_normal_resume; +static int bounce_interval __read_mostly = DEFAULT_BOUNCE_INTERVAL; + +static int debug __read_mostly; +static int smp __read_mostly; +static int apm_disabled = -1; #ifdef CONFIG_SMP -static int power_off; +static int power_off; #else -static int power_off = 1; +static int power_off = 1; #endif #ifdef CONFIG_APM_REAL_MODE_POWER_OFF -static int realmode_power_off = 1; +static int realmode_power_off = 1; #else -static int realmode_power_off; +static int realmode_power_off; #endif #ifdef CONFIG_APM_ALLOW_INTS -static int allow_ints = 1; +static int allow_ints = 1; #else -static int allow_ints; +static int allow_ints; #endif -static int broken_psr; +static int broken_psr; static DECLARE_WAIT_QUEUE_HEAD(apm_waitqueue); static DECLARE_WAIT_QUEUE_HEAD(apm_suspend_waitqueue); -static struct apm_user * user_list; +static struct apm_user *user_list; static DEFINE_SPINLOCK(user_list_lock); static const struct desc_struct bad_bios_desc = { { { 0, 0x00409200 } } }; -static const char driver_version[] = "1.16ac"; /* no spaces */ +static const char driver_version[] = "1.16ac"; /* no spaces */ static struct task_struct *kapmd_task; @@ -416,7 +416,7 @@ static struct task_struct *kapmd_task; * APM event names taken from the APM 1.2 specification. These are * the message codes that the BIOS uses to tell us about events */ -static const char * const apm_event_name[] = { +static const char * const apm_event_name[] = { "system standby", "system suspend", "normal resume", @@ -434,14 +434,14 @@ static const char * const apm_event_name[] = { typedef struct lookup_t { int key; - char * msg; + char *msg; } lookup_t; /* * The BIOS returns a set of standard error codes in AX when the * carry flag is set. */ - + static const lookup_t error_table[] = { /* N/A { APM_SUCCESS, "Operation succeeded" }, */ { APM_DISABLED, "Power management disabled" }, @@ -471,24 +471,25 @@ static const lookup_t error_table[] = { * Write a meaningful log entry to the kernel log in the event of * an APM error. */ - + static void apm_error(char *str, int err) { - int i; + int i; for (i = 0; i < ERROR_COUNT; i++) - if (error_table[i].key == err) break; + if (error_table[i].key == err) + break; if (i < ERROR_COUNT) printk(KERN_NOTICE "apm: %s: %s\n", str, error_table[i].msg); else printk(KERN_NOTICE "apm: %s: unknown error code %#2.2x\n", - str, err); + str, err); } /* * Lock APM functionality to physical CPU 0 */ - + #ifdef CONFIG_SMP static cpumask_t apm_save_cpus(void) @@ -510,7 +511,7 @@ static inline void apm_restore_cpus(cpumask_t mask) /* * No CPU lockdown needed on a uniprocessor */ - + #define apm_save_cpus() (current->cpus_allowed) #define apm_restore_cpus(x) (void)(x) @@ -589,7 +590,7 @@ static inline void apm_irq_restore(unsigned long flags) * code is returned in AH (bits 8-15 of eax) and this function * returns non-zero. */ - + static u8 apm_bios_call(u32 func, u32 ebx_in, u32 ecx_in, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx, u32 *esi) { @@ -601,7 +602,7 @@ static u8 apm_bios_call(u32 func, u32 ebx_in, u32 ecx_in, struct desc_struct *gdt; cpus = apm_save_cpus(); - + cpu = get_cpu(); gdt = get_cpu_gdt_table(cpu); save_desc_40 = gdt[0x40 / 8]; @@ -615,7 +616,7 @@ static u8 apm_bios_call(u32 func, u32 ebx_in, u32 ecx_in, gdt[0x40 / 8] = save_desc_40; put_cpu(); apm_restore_cpus(cpus); - + return *eax & 0xff; } @@ -644,7 +645,7 @@ static u8 apm_bios_call_simple(u32 func, u32 ebx_in, u32 ecx_in, u32 *eax) struct desc_struct *gdt; cpus = apm_save_cpus(); - + cpu = get_cpu(); gdt = get_cpu_gdt_table(cpu); save_desc_40 = gdt[0x40 / 8]; @@ -679,7 +680,7 @@ static u8 apm_bios_call_simple(u32 func, u32 ebx_in, u32 ecx_in, u32 *eax) static int apm_driver_version(u_short *val) { - u32 eax; + u32 eax; if (apm_bios_call_simple(APM_FUNC_VERSION, 0, *val, &eax)) return (eax >> 8) & 0xff; @@ -703,16 +704,16 @@ static int apm_driver_version(u_short *val) * that APM 1.2 is in use. If no messges are pending the value 0x80 * is returned (No power management events pending). */ - + static int apm_get_event(apm_event_t *event, apm_eventinfo_t *info) { - u32 eax; - u32 ebx; - u32 ecx; - u32 dummy; + u32 eax; + u32 ebx; + u32 ecx; + u32 dummy; if (apm_bios_call(APM_FUNC_GET_EVENT, 0, 0, &eax, &ebx, &ecx, - &dummy, &dummy)) + &dummy, &dummy)) return (eax >> 8) & 0xff; *event = ebx; if (apm_info.connection_version < 0x0102) @@ -735,10 +736,10 @@ static int apm_get_event(apm_event_t *event, apm_eventinfo_t *info) * The state holds the state to transition to, which may in fact * be an acceptance of a BIOS requested state change. */ - + static int set_power_state(u_short what, u_short state) { - u32 eax; + u32 eax; if (apm_bios_call_simple(APM_FUNC_SET_STATE, what, state, &eax)) return (eax >> 8) & 0xff; @@ -751,7 +752,7 @@ static int set_power_state(u_short what, u_short state) * * Transition the entire system into a new APM power state. */ - + static int set_system_power_state(u_short state) { return set_power_state(APM_DEVICE_ALL, state); @@ -765,13 +766,13 @@ static int set_system_power_state(u_short state) * to handle the idle request. On a success the function returns 1 * if the BIOS did clock slowing or 0 otherwise. */ - + static int apm_do_idle(void) { - u32 eax; - u8 ret = 0; - int idled = 0; - int polling; + u32 eax; + u8 ret = 0; + int idled = 0; + int polling; polling = !!(current_thread_info()->status & TS_POLLING); if (polling) { @@ -798,10 +799,9 @@ static int apm_do_idle(void) /* This always fails on some SMP boards running UP kernels. * Only report the failure the first 5 times. */ - if (++t < 5) - { + if (++t < 5) { printk(KERN_DEBUG "apm_do_idle failed (%d)\n", - (eax >> 8) & 0xff); + (eax >> 8) & 0xff); t = jiffies; } return -1; @@ -813,15 +813,15 @@ static int apm_do_idle(void) /** * apm_do_busy - inform the BIOS the CPU is busy * - * Request that the BIOS brings the CPU back to full performance. + * Request that the BIOS brings the CPU back to full performance. */ - + static void apm_do_busy(void) { - u32 dummy; + u32 dummy; if (clock_slowed || ALWAYS_CALL_BUSY) { - (void) apm_bios_call_simple(APM_FUNC_BUSY, 0, 0, &dummy); + (void)apm_bios_call_simple(APM_FUNC_BUSY, 0, 0, &dummy); clock_slowed = 0; } } @@ -832,15 +832,15 @@ static void apm_do_busy(void) * power management - we probably want * to conserve power. */ -#define IDLE_CALC_LIMIT (HZ * 100) -#define IDLE_LEAKY_MAX 16 +#define IDLE_CALC_LIMIT (HZ * 100) +#define IDLE_LEAKY_MAX 16 static void (*original_pm_idle)(void) __read_mostly; /** * apm_cpu_idle - cpu idling for APM capable Linux * - * This is the idling function the kernel executes when APM is available. It + * This is the idling function the kernel executes when APM is available. It * tries to do BIOS powermanagement based on the average system idle time. * Furthermore it calls the system default idle routine. */ @@ -881,7 +881,8 @@ recalc: t = jiffies; switch (apm_do_idle()) { - case 0: apm_idle_done = 1; + case 0: + apm_idle_done = 1; if (t != jiffies) { if (bucket) { bucket = IDLE_LEAKY_MAX; @@ -892,7 +893,8 @@ recalc: continue; } break; - case 1: apm_idle_done = 1; + case 1: + apm_idle_done = 1; break; default: /* BIOS refused */ break; @@ -920,10 +922,10 @@ recalc: * the SMP call on CPU0 as some systems will only honour this call * on their first cpu. */ - + static void apm_power_off(void) { - unsigned char po_bios_call[] = { + unsigned char po_bios_call[] = { 0xb8, 0x00, 0x10, /* movw $0x1000,ax */ 0x8e, 0xd0, /* movw ax,ss */ 0xbc, 0x00, 0xf0, /* movw $0xf000,sp */ @@ -934,13 +936,12 @@ static void apm_power_off(void) }; /* Some bioses don't like being called from CPU != 0 */ - if (apm_info.realmode_power_off) - { + if (apm_info.realmode_power_off) { (void)apm_save_cpus(); machine_real_restart(po_bios_call, sizeof(po_bios_call)); + } else { + (void)set_system_power_state(APM_STATE_OFF); } - else - (void) set_system_power_state(APM_STATE_OFF); } #ifdef CONFIG_APM_DO_ENABLE @@ -949,17 +950,17 @@ static void apm_power_off(void) * apm_enable_power_management - enable BIOS APM power management * @enable: enable yes/no * - * Enable or disable the APM BIOS power services. + * Enable or disable the APM BIOS power services. */ - + static int apm_enable_power_management(int enable) { - u32 eax; + u32 eax; if ((enable == 0) && (apm_info.bios.flags & APM_BIOS_DISENGAGED)) return APM_NOT_ENGAGED; if (apm_bios_call_simple(APM_FUNC_ENABLE_PM, APM_DEVICE_BALL, - enable, &eax)) + enable, &eax)) return (eax >> 8) & 0xff; if (enable) apm_info.bios.flags &= ~APM_BIOS_DISABLED; @@ -982,19 +983,19 @@ static int apm_enable_power_management(int enable) * if reported is a lifetime in secodnds/minutes at current powwer * consumption. */ - + static int apm_get_power_status(u_short *status, u_short *bat, u_short *life) { - u32 eax; - u32 ebx; - u32 ecx; - u32 edx; - u32 dummy; + u32 eax; + u32 ebx; + u32 ecx; + u32 edx; + u32 dummy; if (apm_info.get_power_status_broken) return APM_32_UNSUPPORTED; if (apm_bios_call(APM_FUNC_GET_STATUS, APM_DEVICE_ALL, 0, - &eax, &ebx, &ecx, &edx, &dummy)) + &eax, &ebx, &ecx, &edx, &dummy)) return (eax >> 8) & 0xff; *status = ebx; *bat = ecx; @@ -1010,11 +1011,11 @@ static int apm_get_power_status(u_short *status, u_short *bat, u_short *life) static int apm_get_battery_status(u_short which, u_short *status, u_short *bat, u_short *life, u_short *nbat) { - u32 eax; - u32 ebx; - u32 ecx; - u32 edx; - u32 esi; + u32 eax; + u32 ebx; + u32 ecx; + u32 edx; + u32 esi; if (apm_info.connection_version < 0x0102) { /* pretend we only have one battery. */ @@ -1025,7 +1026,7 @@ static int apm_get_battery_status(u_short which, u_short *status, } if (apm_bios_call(APM_FUNC_GET_STATUS, (0x8000 | (which)), 0, &eax, - &ebx, &ecx, &edx, &esi)) + &ebx, &ecx, &edx, &esi)) return (eax >> 8) & 0xff; *status = ebx; *bat = ecx; @@ -1043,10 +1044,10 @@ static int apm_get_battery_status(u_short which, u_short *status, * Activate or deactive power management on either a specific device * or the entire system (%APM_DEVICE_ALL). */ - + static int apm_engage_power_management(u_short device, int enable) { - u32 eax; + u32 eax; if ((enable == 0) && (device == APM_DEVICE_ALL) && (apm_info.bios.flags & APM_BIOS_DISABLED)) @@ -1073,7 +1074,7 @@ static int apm_engage_power_management(u_short device, int enable) * all video devices. Typically the BIOS will do laptop backlight and * monitor powerdown for us. */ - + static int apm_console_blank(int blank) { int error = APM_NOT_ENGAGED; /* silence gcc */ @@ -1125,7 +1126,7 @@ static apm_event_t get_queued_event(struct apm_user *as) static void queue_event(apm_event_t event, struct apm_user *sender) { - struct apm_user * as; + struct apm_user *as; spin_lock(&user_list_lock); if (user_list == NULL) @@ -1185,7 +1186,7 @@ static void reinit_timer(void) static int suspend(int vetoable) { - int err; + int err; struct apm_user *as; if (pm_send_all(PM_SUSPEND, (void *)3)) { @@ -1238,7 +1239,7 @@ static int suspend(int vetoable) static void standby(void) { - int err; + int err; local_irq_disable(); device_power_down(PMSG_SUSPEND); @@ -1255,8 +1256,8 @@ static void standby(void) static apm_event_t get_event(void) { - int error; - apm_event_t event = APM_NO_EVENTS; /* silence gcc */ + int error; + apm_event_t event = APM_NO_EVENTS; /* silence gcc */ apm_eventinfo_t info; static int notified; @@ -1274,9 +1275,9 @@ static apm_event_t get_event(void) static void check_events(void) { - apm_event_t event; - static unsigned long last_resume; - static int ignore_bounce; + apm_event_t event; + static unsigned long last_resume; + static int ignore_bounce; while ((event = get_event()) != 0) { if (debug) { @@ -1356,7 +1357,7 @@ static void check_events(void) /* * We are not allowed to reject a critical suspend. */ - (void) suspend(0); + (void)suspend(0); break; } } @@ -1364,12 +1365,12 @@ static void check_events(void) static void apm_event_handler(void) { - static int pending_count = 4; - int err; + static int pending_count = 4; + int err; if ((standbys_pending > 0) || (suspends_pending > 0)) { if ((apm_info.connection_version > 0x100) && - (pending_count-- <= 0)) { + (pending_count-- <= 0)) { pending_count = 4; if (debug) printk(KERN_DEBUG "apm: setting state busy\n"); @@ -1417,9 +1418,9 @@ static int check_apm_user(struct apm_user *as, const char *func) static ssize_t do_read(struct file *fp, char __user *buf, size_t count, loff_t *ppos) { - struct apm_user * as; - int i; - apm_event_t event; + struct apm_user *as; + int i; + apm_event_t event; as = fp->private_data; if (check_apm_user(as, "read")) @@ -1458,9 +1459,9 @@ static ssize_t do_read(struct file *fp, char __user *buf, size_t count, loff_t * return 0; } -static unsigned int do_poll(struct file *fp, poll_table * wait) +static unsigned int do_poll(struct file *fp, poll_table *wait) { - struct apm_user * as; + struct apm_user *as; as = fp->private_data; if (check_apm_user(as, "poll")) @@ -1471,10 +1472,10 @@ static unsigned int do_poll(struct file *fp, poll_table * wait) return 0; } -static int do_ioctl(struct inode * inode, struct file *filp, +static int do_ioctl(struct inode *inode, struct file *filp, u_int cmd, u_long arg) { - struct apm_user * as; + struct apm_user *as; as = filp->private_data; if (check_apm_user(as, "ioctl")) @@ -1514,9 +1515,9 @@ static int do_ioctl(struct inode * inode, struct file *filp, return 0; } -static int do_release(struct inode * inode, struct file * filp) +static int do_release(struct inode *inode, struct file *filp) { - struct apm_user * as; + struct apm_user *as; as = filp->private_data; if (check_apm_user(as, "release")) @@ -1532,11 +1533,11 @@ static int do_release(struct inode * inode, struct file * filp) if (suspends_pending <= 0) (void) suspend(1); } - spin_lock(&user_list_lock); + spin_lock(&user_list_lock); if (user_list == as) user_list = as->next; else { - struct apm_user * as1; + struct apm_user *as1; for (as1 = user_list; (as1 != NULL) && (as1->next != as); @@ -1552,9 +1553,9 @@ static int do_release(struct inode * inode, struct file * filp) return 0; } -static int do_open(struct inode * inode, struct file * filp) +static int do_open(struct inode *inode, struct file *filp) { - struct apm_user * as; + struct apm_user *as; as = kmalloc(sizeof(*as), GFP_KERNEL); if (as == NULL) { @@ -1568,7 +1569,7 @@ static int do_open(struct inode * inode, struct file * filp) as->suspends_read = as->standbys_read = 0; /* * XXX - this is a tiny bit broken, when we consider BSD - * process accounting. If the device is opened by root, we + * process accounting. If the device is opened by root, we * instantly flag that we used superuser privs. Who knows, * we might close the device immediately without doing a * privileged operation -- cevans @@ -1651,16 +1652,16 @@ static int proc_apm_show(struct seq_file *m, void *v) 8) min = minutes; sec = seconds */ seq_printf(m, "%s %d.%d 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n", - driver_version, - (apm_info.bios.version >> 8) & 0xff, - apm_info.bios.version & 0xff, - apm_info.bios.flags, - ac_line_status, - battery_status, - battery_flag, - percentage, - time_units, - units); + driver_version, + (apm_info.bios.version >> 8) & 0xff, + apm_info.bios.version & 0xff, + apm_info.bios.flags, + ac_line_status, + battery_status, + battery_flag, + percentage, + time_units, + units); return 0; } @@ -1683,8 +1684,8 @@ static int apm(void *unused) unsigned short cx; unsigned short dx; int error; - char * power_stat; - char * bat_stat; + char *power_stat; + char *bat_stat; #ifdef CONFIG_SMP /* 2002/08/01 - WT @@ -1743,23 +1744,41 @@ static int apm(void *unused) } } - if (debug && (num_online_cpus() == 1 || smp )) { + if (debug && (num_online_cpus() == 1 || smp)) { error = apm_get_power_status(&bx, &cx, &dx); if (error) printk(KERN_INFO "apm: power status not available\n"); else { switch ((bx >> 8) & 0xff) { - case 0: power_stat = "off line"; break; - case 1: power_stat = "on line"; break; - case 2: power_stat = "on backup power"; break; - default: power_stat = "unknown"; break; + case 0: + power_stat = "off line"; + break; + case 1: + power_stat = "on line"; + break; + case 2: + power_stat = "on backup power"; + break; + default: + power_stat = "unknown"; + break; } switch (bx & 0xff) { - case 0: bat_stat = "high"; break; - case 1: bat_stat = "low"; break; - case 2: bat_stat = "critical"; break; - case 3: bat_stat = "charging"; break; - default: bat_stat = "unknown"; break; + case 0: + bat_stat = "high"; + break; + case 1: + bat_stat = "low"; + break; + case 2: + bat_stat = "critical"; + break; + case 3: + bat_stat = "charging"; + break; + default: + bat_stat = "unknown"; + break; } printk(KERN_INFO "apm: AC %s, battery status %s, battery life ", @@ -1776,8 +1795,8 @@ static int apm(void *unused) printk("unknown\n"); else printk("%d %s\n", dx & 0x7fff, - (dx & 0x8000) ? - "minutes" : "seconds"); + (dx & 0x8000) ? + "minutes" : "seconds"); } } } @@ -1802,7 +1821,7 @@ static int apm(void *unused) #ifndef MODULE static int __init apm_setup(char *str) { - int invert; + int invert; while ((str != NULL) && (*str != '\0')) { if (strncmp(str, "off", 3) == 0) @@ -1827,14 +1846,13 @@ static int __init apm_setup(char *str) if ((strncmp(str, "power-off", 9) == 0) || (strncmp(str, "power_off", 9) == 0)) power_off = !invert; - if (strncmp(str, "smp", 3) == 0) - { + if (strncmp(str, "smp", 3) == 0) { smp = !invert; idle_threshold = 100; } if ((strncmp(str, "allow-ints", 10) == 0) || (strncmp(str, "allow_ints", 10) == 0)) - apm_info.allow_ints = !invert; + apm_info.allow_ints = !invert; if ((strncmp(str, "broken-psr", 10) == 0) || (strncmp(str, "broken_psr", 10) == 0)) apm_info.get_power_status_broken = !invert; @@ -1880,7 +1898,8 @@ static int __init print_if_true(const struct dmi_system_id *d) */ static int __init broken_ps2_resume(const struct dmi_system_id *d) { - printk(KERN_INFO "%s machine detected. Mousepad Resume Bug workaround hopefully not needed.\n", d->ident); + printk(KERN_INFO "%s machine detected. Mousepad Resume Bug " + "workaround hopefully not needed.\n", d->ident); return 0; } @@ -1889,7 +1908,8 @@ static int __init set_realmode_power_off(const struct dmi_system_id *d) { if (apm_info.realmode_power_off == 0) { apm_info.realmode_power_off = 1; - printk(KERN_INFO "%s bios detected. Using realmode poweroff only.\n", d->ident); + printk(KERN_INFO "%s bios detected. " + "Using realmode poweroff only.\n", d->ident); } return 0; } @@ -1899,7 +1919,8 @@ static int __init set_apm_ints(const struct dmi_system_id *d) { if (apm_info.allow_ints == 0) { apm_info.allow_ints = 1; - printk(KERN_INFO "%s machine detected. Enabling interrupts during APM calls.\n", d->ident); + printk(KERN_INFO "%s machine detected. " + "Enabling interrupts during APM calls.\n", d->ident); } return 0; } @@ -1909,7 +1930,8 @@ static int __init apm_is_horked(const struct dmi_system_id *d) { if (apm_info.disabled == 0) { apm_info.disabled = 1; - printk(KERN_INFO "%s machine detected. Disabling APM.\n", d->ident); + printk(KERN_INFO "%s machine detected. " + "Disabling APM.\n", d->ident); } return 0; } @@ -1918,7 +1940,8 @@ static int __init apm_is_horked_d850md(const struct dmi_system_id *d) { if (apm_info.disabled == 0) { apm_info.disabled = 1; - printk(KERN_INFO "%s machine detected. Disabling APM.\n", d->ident); + printk(KERN_INFO "%s machine detected. " + "Disabling APM.\n", d->ident); printk(KERN_INFO "This bug is fixed in bios P15 which is available for \n"); printk(KERN_INFO "download from support.intel.com \n"); } @@ -1930,7 +1953,8 @@ static int __init apm_likes_to_melt(const struct dmi_system_id *d) { if (apm_info.forbid_idle == 0) { apm_info.forbid_idle = 1; - printk(KERN_INFO "%s machine detected. Disabling APM idle calls.\n", d->ident); + printk(KERN_INFO "%s machine detected. " + "Disabling APM idle calls.\n", d->ident); } return 0; } @@ -1953,7 +1977,8 @@ static int __init apm_likes_to_melt(const struct dmi_system_id *d) static int __init broken_apm_power(const struct dmi_system_id *d) { apm_info.get_power_status_broken = 1; - printk(KERN_WARNING "BIOS strings suggest APM bugs, disabling power status reporting.\n"); + printk(KERN_WARNING "BIOS strings suggest APM bugs, " + "disabling power status reporting.\n"); return 0; } @@ -1964,7 +1989,8 @@ static int __init broken_apm_power(const struct dmi_system_id *d) static int __init swab_apm_power_in_minutes(const struct dmi_system_id *d) { apm_info.get_power_status_swabinminutes = 1; - printk(KERN_WARNING "BIOS strings suggest APM reports battery life in minutes and wrong byte order.\n"); + printk(KERN_WARNING "BIOS strings suggest APM reports battery life " + "in minutes and wrong byte order.\n"); return 0; } @@ -1989,8 +2015,8 @@ static struct dmi_system_id __initdata apm_dmi_table[] = { apm_is_horked, "Dell Inspiron 2500", { DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 2500"), - DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"), - DMI_MATCH(DMI_BIOS_VERSION,"A11"), }, + DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"), + DMI_MATCH(DMI_BIOS_VERSION, "A11"), }, }, { /* Allow interrupts during suspend on Dell Inspiron laptops*/ set_apm_ints, "Dell Inspiron", { @@ -2013,15 +2039,15 @@ static struct dmi_system_id __initdata apm_dmi_table[] = { apm_is_horked, "Dell Dimension 4100", { DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "XPS-Z"), - DMI_MATCH(DMI_BIOS_VENDOR,"Intel Corp."), - DMI_MATCH(DMI_BIOS_VERSION,"A11"), }, + DMI_MATCH(DMI_BIOS_VENDOR, "Intel Corp."), + DMI_MATCH(DMI_BIOS_VERSION, "A11"), }, }, { /* Allow interrupts during suspend on Compaq Laptops*/ set_apm_ints, "Compaq 12XL125", { DMI_MATCH(DMI_SYS_VENDOR, "Compaq"), DMI_MATCH(DMI_PRODUCT_NAME, "Compaq PC"), DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"), - DMI_MATCH(DMI_BIOS_VERSION,"4.06"), }, + DMI_MATCH(DMI_BIOS_VERSION, "4.06"), }, }, { /* Allow interrupts during APM or the clock goes slow */ set_apm_ints, "ASUSTeK", @@ -2063,15 +2089,15 @@ static struct dmi_system_id __initdata apm_dmi_table[] = { apm_is_horked, "Sharp PC-PJ/AX", { DMI_MATCH(DMI_SYS_VENDOR, "SHARP"), DMI_MATCH(DMI_PRODUCT_NAME, "PC-PJ/AX"), - DMI_MATCH(DMI_BIOS_VENDOR,"SystemSoft"), - DMI_MATCH(DMI_BIOS_VERSION,"Version R2.08"), }, + DMI_MATCH(DMI_BIOS_VENDOR, "SystemSoft"), + DMI_MATCH(DMI_BIOS_VERSION, "Version R2.08"), }, }, { /* APM crashes */ apm_is_horked, "Dell Inspiron 2500", { DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 2500"), - DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"), - DMI_MATCH(DMI_BIOS_VERSION,"A11"), }, + DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"), + DMI_MATCH(DMI_BIOS_VERSION, "A11"), }, }, { /* APM idle hangs */ apm_likes_to_melt, "Jabil AMD", @@ -2202,11 +2228,11 @@ static int __init apm_init(void) return -ENODEV; } printk(KERN_INFO - "apm: BIOS version %d.%d Flags 0x%02x (Driver version %s)\n", - ((apm_info.bios.version >> 8) & 0xff), - (apm_info.bios.version & 0xff), - apm_info.bios.flags, - driver_version); + "apm: BIOS version %d.%d Flags 0x%02x (Driver version %s)\n", + ((apm_info.bios.version >> 8) & 0xff), + (apm_info.bios.version & 0xff), + apm_info.bios.flags, + driver_version); if ((apm_info.bios.flags & APM_32_BIT_SUPPORT) == 0) { printk(KERN_INFO "apm: no 32 bit BIOS support\n"); return -ENODEV; @@ -2311,9 +2337,9 @@ static int __init apm_init(void) } wake_up_process(kapmd_task); - if (num_online_cpus() > 1 && !smp ) { + if (num_online_cpus() > 1 && !smp) { printk(KERN_NOTICE - "apm: disabled - APM is not SMP safe (power off active).\n"); + "apm: disabled - APM is not SMP safe (power off active).\n"); return 0; } @@ -2338,7 +2364,7 @@ static int __init apm_init(void) static void __exit apm_exit(void) { - int error; + int error; if (set_pm_idle) { pm_idle = original_pm_idle; |