[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / acpi / processor.h

#ifndef __ACPI_PROCESSOR_H
#define __ACPI_PROCESSOR_H

#include <linux/kernel.h>
#include <linux/cpu.h>
#include <linux/cpuidle.h>

#include <asm/acpi.h>

#define ACPI_PROCESSOR_BUSY_METRIC	10

#define ACPI_PROCESSOR_MAX_POWER	8
#define ACPI_PROCESSOR_MAX_C2_LATENCY	100
#define ACPI_PROCESSOR_MAX_C3_LATENCY	1000

#define ACPI_PROCESSOR_MAX_THROTTLING	16
#define ACPI_PROCESSOR_MAX_THROTTLE	250	/* 25% */
#define ACPI_PROCESSOR_MAX_DUTY_WIDTH	4

#define ACPI_PDC_REVISION_ID		0x1

#define ACPI_PSD_REV0_REVISION		0	/* Support for _PSD as in ACPI 3.0 */
#define ACPI_PSD_REV0_ENTRIES		5

#define ACPI_TSD_REV0_REVISION		0	/* Support for _PSD as in ACPI 3.0 */
#define ACPI_TSD_REV0_ENTRIES		5
/*
 * Types of coordination defined in ACPI 3.0. Same macros can be used across
 * P, C and T states
 */
#define DOMAIN_COORD_TYPE_SW_ALL	0xfc
#define DOMAIN_COORD_TYPE_SW_ANY	0xfd
#define DOMAIN_COORD_TYPE_HW_ALL	0xfe

#define ACPI_CSTATE_SYSTEMIO	(0)
#define ACPI_CSTATE_FFH		(1)

/* Power Management */

struct acpi_processor_cx;

struct acpi_power_register {
	u8 descriptor;
	u16 length;
	u8 space_id;
	u8 bit_width;
	u8 bit_offset;
	u8 reserved;
	u64 address;
} __attribute__ ((packed));

struct acpi_processor_cx_policy {
	u32 count;
	struct acpi_processor_cx *state;
	struct {
		u32 time;
		u32 ticks;
		u32 count;
		u32 bm;
	} threshold;
};

struct acpi_processor_cx {
	u8 valid;
	u8 type;
	u32 address;
	u8 space_id;
	u8 index;
	u32 latency;
	u32 latency_ticks;
	u32 power;
	u32 usage;
	u64 time;
	struct acpi_processor_cx_policy promotion;
	struct acpi_processor_cx_policy demotion;
};

struct acpi_processor_power {
	struct cpuidle_device dev;
	struct acpi_processor_cx *state;
	unsigned long bm_check_timestamp;
	u32 default_state;
	u32 bm_activity;
	int count;
	struct acpi_processor_cx states[ACPI_PROCESSOR_MAX_POWER];
	int timer_broadcast_on_state;
};

/* Performance Management */

struct acpi_psd_package {
	acpi_integer num_entries;
	acpi_integer revision;
	acpi_integer domain;
	acpi_integer coord_type;
	acpi_integer num_processors;
} __attribute__ ((packed));

struct acpi_pct_register {
	u8 descriptor;
	u16 length;
	u8 space_id;
	u8 bit_width;
	u8 bit_offset;
	u8 reserved;
	u64 address;
} __attribute__ ((packed));

struct acpi_processor_px {
	acpi_integer core_frequency;	/* megahertz */
	acpi_integer power;	/* milliWatts */
	acpi_integer transition_latency;	/* microseconds */
	acpi_integer bus_master_latency;	/* microseconds */
	acpi_integer control;	/* control value */
	acpi_integer status;	/* success indicator */
};

struct acpi_processor_performance {
	unsigned int state;
	unsigned int platform_limit;
	struct acpi_pct_register control_register;
	struct acpi_pct_register status_register;
	unsigned int state_count;
	struct acpi_processor_px *states;
	struct acpi_psd_package domain_info;
	cpumask_t shared_cpu_map;
	unsigned int shared_type;
};

/* Throttling Control */

struct acpi_tsd_package {
	acpi_integer num_entries;
	acpi_integer revision;
	acpi_integer domain;
	acpi_integer coord_type;
	acpi_integer num_processors;
} __attribute__ ((packed));

struct acpi_ptc_register {
	u8 descriptor;
	u16 length;
	u8 space_id;
	u8 bit_width;
	u8 bit_offset;
	u8 reserved;
	u64 address;
} __attribute__ ((packed));

struct acpi_processor_tx_tss {
	acpi_integer freqpercentage;	/* */
	acpi_integer power;	/* milliWatts */
	acpi_integer transition_latency;	/* microseconds */
	acpi_integer control;	/* control value */
	acpi_integer status;	/* success indicator */
};
struct acpi_processor_tx {
	u16 power;
	u16 performance;
};

struct acpi_processor;
struct acpi_processor_throttling {
	unsigned int state;
	unsigned int platform_limit;
	struct acpi_pct_register control_register;
	struct acpi_pct_register status_register;
	unsigned int state_count;
	struct acpi_processor_tx_tss *states_tss;
	struct acpi_tsd_package domain_info;
	cpumask_t shared_cpu_map;
	int (*acpi_processor_get_throttling) (struct acpi_processor * pr);
	int (*acpi_processor_set_throttling) (struct acpi_processor * pr,
					      int state);

	u32 address;
	u8 duty_offset;
	u8 duty_width;
	struct acpi_processor_tx states[ACPI_PROCESSOR_MAX_THROTTLING];
};

/* Limit Interface */

struct acpi_processor_lx {
	int px;			/* performance state */
	int tx;			/* throttle level */
};

struct acpi_processor_limit {
	struct acpi_processor_lx state;	/* current limit */
	struct acpi_processor_lx thermal;	/* thermal limit */
	struct acpi_processor_lx user;	/* user limit */
};

struct acpi_processor_flags {
	u8 power:1;
	u8 performance:1;
	u8 throttling:1;
	u8 limit:1;
	u8 bm_control:1;
	u8 bm_check:1;
	u8 has_cst:1;
	u8 power_setup_done:1;
	u8 bm_rld_set:1;
};

struct acpi_processor {
	acpi_handle handle;
	u32 acpi_id;
	u32 id;
	u32 pblk;
	int performance_platform_limit;
	int throttling_platform_limit;
	/* 0 - states 0..n-th state available */

	struct acpi_processor_flags flags;
	struct acpi_processor_power power;
	struct acpi_processor_performance *performance;
	struct acpi_processor_throttling throttling;
	struct acpi_processor_limit limit;

	/* the _PDC objects for this processor, if any */
	struct acpi_object_list *pdc;
};

struct acpi_processor_errata {
	u8 smp;
	struct {
		u8 throttle:1;
		u8 fdma:1;
		u8 reserved:6;
		u32 bmisx;
	} piix4;
};

extern int acpi_processor_preregister_performance(struct
						  acpi_processor_performance
						  *performance);

extern int acpi_processor_register_performance(struct acpi_processor_performance
					       *performance, unsigned int cpu);
extern void acpi_processor_unregister_performance(struct
						  acpi_processor_performance
						  *performance,
						  unsigned int cpu);

/* note: this locks both the calling module and the processor module
         if a _PPC object exists, rmmod is disallowed then */
int acpi_processor_notify_smm(struct module *calling_module);

/* for communication between multiple parts of the processor kernel module */
extern struct acpi_processor *processors[NR_CPUS];
extern struct acpi_processor_errata errata;

void arch_acpi_processor_init_pdc(struct acpi_processor *pr);

#ifdef ARCH_HAS_POWER_INIT
void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
					unsigned int cpu);
int acpi_processor_ffh_cstate_probe(unsigned int cpu,
				    struct acpi_processor_cx *cx,
				    struct acpi_power_register *reg);
void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cstate);
#else
static inline void acpi_processor_power_init_bm_check(struct
						      acpi_processor_flags
						      *flags, unsigned int cpu)
{
	flags->bm_check = 1;
	return;
}
static inline int acpi_processor_ffh_cstate_probe(unsigned int cpu,
						  struct acpi_processor_cx *cx,
						  struct acpi_power_register
						  *reg)
{
	return -1;
}
static inline void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx
						   *cstate)
{
	return;
}
#endif

/* in processor_perflib.c */

#ifdef CONFIG_CPU_FREQ
void acpi_processor_ppc_init(void);
void acpi_processor_ppc_exit(void);
int acpi_processor_ppc_has_changed(struct acpi_processor *pr);
#else
static inline void acpi_processor_ppc_init(void)
{
	return;
}
static inline void acpi_processor_ppc_exit(void)
{
	return;
}
static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr)
{
	static unsigned int printout = 1;
	if (printout) {
		printk(KERN_WARNING
		       "Warning: Processor Platform Limit event detected, but not handled.\n");
		printk(KERN_WARNING
		       "Consider compiling CPUfreq support into your kernel.\n");
		printout = 0;
	}
	return 0;
}
#endif				/* CONFIG_CPU_FREQ */

/* in processor_throttling.c */
int acpi_processor_get_throttling_info(struct acpi_processor *pr);
extern int acpi_processor_set_throttling(struct acpi_processor *pr, int state);
extern struct file_operations acpi_processor_throttling_fops;

/* in processor_idle.c */
int acpi_processor_power_init(struct acpi_processor *pr,
			      struct acpi_device *device);
int acpi_processor_cst_has_changed(struct acpi_processor *pr);
int acpi_processor_power_exit(struct acpi_processor *pr,
			      struct acpi_device *device);
int acpi_processor_suspend(struct acpi_device * device, pm_message_t state);
int acpi_processor_resume(struct acpi_device * device);
extern struct cpuidle_driver acpi_idle_driver;

/* in processor_thermal.c */
int acpi_processor_get_limit_info(struct acpi_processor *pr);
extern struct file_operations acpi_processor_limit_fops;

#ifdef CONFIG_CPU_FREQ
void acpi_thermal_cpufreq_init(void);
void acpi_thermal_cpufreq_exit(void);
#else
static inline void acpi_thermal_cpufreq_init(void)
{
	return;
}
static inline void acpi_thermal_cpufreq_exit(void)
{
	return;
}
#endif

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef __ACPI_PROCESSOR_H
	2	#define __ACPI_PROCESSOR_H
	3
	4	#include <linux/kernel.h>
3b2d9942	5	#include <linux/cpu.h>
4f86d3a8	6	#include <linux/cpuidle.h>
1da177e4	7
02df8b93 VP	8	#include <asm/acpi.h>
02df8b93 VP	9
1da177e4 LT	10	#define ACPI_PROCESSOR_BUSY_METRIC 10
	11
	12	#define ACPI_PROCESSOR_MAX_POWER 8
	13	#define ACPI_PROCESSOR_MAX_C2_LATENCY 100
	14	#define ACPI_PROCESSOR_MAX_C3_LATENCY 1000
	15
	16	#define ACPI_PROCESSOR_MAX_THROTTLING 16
	17	#define ACPI_PROCESSOR_MAX_THROTTLE 250 /* 25% */
	18	#define ACPI_PROCESSOR_MAX_DUTY_WIDTH 4
	19
02df8b93 VP	20	#define ACPI_PDC_REVISION_ID 0x1
02df8b93 VP	21
fd350943	22	#define ACPI_PSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
3b2d9942 VP	23	#define ACPI_PSD_REV0_ENTRIES 5
3b2d9942 VP	24
01854e69 LY	25	#define ACPI_TSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
01854e69 LY	26	#define ACPI_TSD_REV0_ENTRIES 5
3b2d9942 VP	27	/*
	28	* Types of coordination defined in ACPI 3.0. Same macros can be used across
	29	* P, C and T states
	30	*/
	31	#define DOMAIN_COORD_TYPE_SW_ALL 0xfc
	32	#define DOMAIN_COORD_TYPE_SW_ANY 0xfd
	33	#define DOMAIN_COORD_TYPE_HW_ALL 0xfe
	34
991528d7 VP	35	#define ACPI_CSTATE_SYSTEMIO (0)
	36	#define ACPI_CSTATE_FFH (1)
	37
1da177e4 LT	38	/* Power Management */
	39
	40	struct acpi_processor_cx;
	41
	42	struct acpi_power_register {
4be44fcd LB	43	u8 descriptor;
	44	u16 length;
	45	u8 space_id;
	46	u8 bit_width;
	47	u8 bit_offset;
	48	u8 reserved;
	49	u64 address;
1da177e4 LT	50	} __attribute__ ((packed));
1da177e4 LT	51
1da177e4	52	struct acpi_processor_cx_policy {
4be44fcd	53	u32 count;
1da177e4 LT	54	struct acpi_processor_cx *state;
1da177e4 LT	55	struct {
4be44fcd LB	56	u32 time;
	57	u32 ticks;
	58	u32 count;
	59	u32 bm;
	60	} threshold;
1da177e4 LT	61	};
	62
	63	struct acpi_processor_cx {
4be44fcd LB	64	u8 valid;
	65	u8 type;
	66	u32 address;
991528d7 VP	67	u8 space_id;
991528d7 VP	68	u8 index;
4be44fcd LB	69	u32 latency;
	70	u32 latency_ticks;
	71	u32 power;
	72	u32 usage;
a3c6598f	73	u64 time;
1da177e4 LT	74	struct acpi_processor_cx_policy promotion;
	75	struct acpi_processor_cx_policy demotion;
	76	};
	77
	78	struct acpi_processor_power {
4f86d3a8	79	struct cpuidle_device dev;
1da177e4	80	struct acpi_processor_cx *state;
4be44fcd LB	81	unsigned long bm_check_timestamp;
	82	u32 default_state;
	83	u32 bm_activity;
	84	int count;
1da177e4	85	struct acpi_processor_cx states[ACPI_PROCESSOR_MAX_POWER];
169a0abb	86	int timer_broadcast_on_state;
1da177e4 LT	87	};
	88
	89	/* Performance Management */
	90
3b2d9942 VP	91	struct acpi_psd_package {
	92	acpi_integer num_entries;
	93	acpi_integer revision;
	94	acpi_integer domain;
	95	acpi_integer coord_type;
	96	acpi_integer num_processors;
	97	} __attribute__ ((packed));
	98
1da177e4	99	struct acpi_pct_register {
4be44fcd LB	100	u8 descriptor;
	101	u16 length;
	102	u8 space_id;
	103	u8 bit_width;
	104	u8 bit_offset;
	105	u8 reserved;
	106	u64 address;
1da177e4 LT	107	} __attribute__ ((packed));
	108
	109	struct acpi_processor_px {
4be44fcd LB	110	acpi_integer core_frequency; /* megahertz */
	111	acpi_integer power; /* milliWatts */
	112	acpi_integer transition_latency; /* microseconds */
	113	acpi_integer bus_master_latency; /* microseconds */
	114	acpi_integer control; /* control value */
	115	acpi_integer status; /* success indicator */
1da177e4 LT	116	};
1da177e4 LT	117
1da177e4	118	struct acpi_processor_performance {
4be44fcd LB	119	unsigned int state;
4be44fcd LB	120	unsigned int platform_limit;
1da177e4 LT	121	struct acpi_pct_register control_register;
1da177e4 LT	122	struct acpi_pct_register status_register;
4be44fcd	123	unsigned int state_count;
1da177e4	124	struct acpi_processor_px *states;
3b2d9942 VP	125	struct acpi_psd_package domain_info;
	126	cpumask_t shared_cpu_map;
	127	unsigned int shared_type;
1da177e4 LT	128	};
1da177e4 LT	129
1da177e4 LT	130	/* Throttling Control */
1da177e4 LT	131
01854e69 LY	132	struct acpi_tsd_package {
	133	acpi_integer num_entries;
	134	acpi_integer revision;
	135	acpi_integer domain;
	136	acpi_integer coord_type;
	137	acpi_integer num_processors;
	138	} __attribute__ ((packed));
	139
	140	struct acpi_ptc_register {
	141	u8 descriptor;
	142	u16 length;
	143	u8 space_id;
	144	u8 bit_width;
	145	u8 bit_offset;
	146	u8 reserved;
	147	u64 address;
	148	} __attribute__ ((packed));
	149
	150	struct acpi_processor_tx_tss {
	151	acpi_integer freqpercentage; /* */
	152	acpi_integer power; /* milliWatts */
	153	acpi_integer transition_latency; /* microseconds */
	154	acpi_integer control; /* control value */
	155	acpi_integer status; /* success indicator */
	156	};
1da177e4	157	struct acpi_processor_tx {
4be44fcd LB	158	u16 power;
4be44fcd LB	159	u16 performance;
1da177e4 LT	160	};
1da177e4 LT	161
01854e69	162	struct acpi_processor;
1da177e4	163	struct acpi_processor_throttling {
01854e69 LY	164	unsigned int state;
	165	unsigned int platform_limit;
	166	struct acpi_pct_register control_register;
	167	struct acpi_pct_register status_register;
	168	unsigned int state_count;
	169	struct acpi_processor_tx_tss *states_tss;
	170	struct acpi_tsd_package domain_info;
	171	cpumask_t shared_cpu_map;
ff55a9ce LB	172	int (acpi_processor_get_throttling) (struct acpi_processor pr);
	173	int (acpi_processor_set_throttling) (struct acpi_processor pr,
	174	int state);
01854e69	175
4be44fcd LB	176	u32 address;
	177	u8 duty_offset;
	178	u8 duty_width;
1da177e4 LT	179	struct acpi_processor_tx states[ACPI_PROCESSOR_MAX_THROTTLING];
	180	};
	181
	182	/* Limit Interface */
	183
	184	struct acpi_processor_lx {
aee07ba6	185	int px; /* performance state */
4be44fcd	186	int tx; /* throttle level */
1da177e4 LT	187	};
	188
	189	struct acpi_processor_limit {
4be44fcd	190	struct acpi_processor_lx state; /* current limit */
1da177e4	191	struct acpi_processor_lx thermal; /* thermal limit */
4be44fcd	192	struct acpi_processor_lx user; /* user limit */
1da177e4 LT	193	};
1da177e4 LT	194
1da177e4	195	struct acpi_processor_flags {
4be44fcd LB	196	u8 power:1;
	197	u8 performance:1;
	198	u8 throttling:1;
	199	u8 limit:1;
	200	u8 bm_control:1;
	201	u8 bm_check:1;
	202	u8 has_cst:1;
	203	u8 power_setup_done:1;
4f86d3a8	204	u8 bm_rld_set:1;
1da177e4 LT	205	};
	206
	207	struct acpi_processor {
4be44fcd LB	208	acpi_handle handle;
	209	u32 acpi_id;
	210	u32 id;
	211	u32 pblk;
	212	int performance_platform_limit;
01854e69	213	int throttling_platform_limit;
ff55a9ce	214	/* 0 - states 0..n-th state available */
01854e69	215
1da177e4 LT	216	struct acpi_processor_flags flags;
	217	struct acpi_processor_power power;
	218	struct acpi_processor_performance *performance;
	219	struct acpi_processor_throttling throttling;
	220	struct acpi_processor_limit limit;
05131ecc VP	221
	222	/* the _PDC objects for this processor, if any */
	223	struct acpi_object_list *pdc;
1da177e4 LT	224	};
	225
	226	struct acpi_processor_errata {
4be44fcd	227	u8 smp;
1da177e4	228	struct {
4be44fcd LB	229	u8 throttle:1;
	230	u8 fdma:1;
	231	u8 reserved:6;
	232	u32 bmisx;
	233	} piix4;
1da177e4 LT	234	};
1da177e4 LT	235
fd350943 LB	236	extern int acpi_processor_preregister_performance(struct
fd350943 LB	237	acpi_processor_performance
50109292	238	*performance);
3b2d9942	239
4be44fcd LB	240	extern int acpi_processor_register_performance(struct acpi_processor_performance
	241	*performance, unsigned int cpu);
	242	extern void acpi_processor_unregister_performance(struct
	243	acpi_processor_performance
	244	*performance,
	245	unsigned int cpu);
1da177e4 LT	246
	247	/* note: this locks both the calling module and the processor module
	248	if a _PPC object exists, rmmod is disallowed then */
	249	int acpi_processor_notify_smm(struct module *calling_module);
	250
1da177e4	251	/* for communication between multiple parts of the processor kernel module */
4be44fcd	252	extern struct acpi_processor *processors[NR_CPUS];
1da177e4 LT	253	extern struct acpi_processor_errata errata;
1da177e4 LT	254
05131ecc	255	void arch_acpi_processor_init_pdc(struct acpi_processor *pr);
02df8b93	256
05131ecc	257	#ifdef ARCH_HAS_POWER_INIT
02df8b93	258	void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
4be44fcd	259	unsigned int cpu);
991528d7	260	int acpi_processor_ffh_cstate_probe(unsigned int cpu,
fd350943 LB	261	struct acpi_processor_cx *cx,
fd350943 LB	262	struct acpi_power_register *reg);
991528d7	263	void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cstate);
02df8b93	264	#else
4be44fcd LB	265	static inline void acpi_processor_power_init_bm_check(struct
	266	acpi_processor_flags
	267	*flags, unsigned int cpu)
02df8b93 VP	268	{
	269	flags->bm_check = 1;
	270	return;
	271	}
991528d7	272	static inline int acpi_processor_ffh_cstate_probe(unsigned int cpu,
fd350943 LB	273	struct acpi_processor_cx *cx,
	274	struct acpi_power_register
	275	*reg)
991528d7 VP	276	{
	277	return -1;
	278	}
fd350943 LB	279	static inline void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx
fd350943 LB	280	*cstate)
991528d7 VP	281	{
	282	return;
	283	}
02df8b93 VP	284	#endif
02df8b93 VP	285
1da177e4	286	/* in processor_perflib.c */
02df8b93	287
1da177e4 LT	288	#ifdef CONFIG_CPU_FREQ
	289	void acpi_processor_ppc_init(void);
	290	void acpi_processor_ppc_exit(void);
	291	int acpi_processor_ppc_has_changed(struct acpi_processor *pr);
	292	#else
4be44fcd LB	293	static inline void acpi_processor_ppc_init(void)
	294	{
	295	return;
	296	}
	297	static inline void acpi_processor_ppc_exit(void)
	298	{
	299	return;
	300	}
	301	static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr)
	302	{
1da177e4 LT	303	static unsigned int printout = 1;
1da177e4 LT	304	if (printout) {
4be44fcd LB	305	printk(KERN_WARNING
	306	"Warning: Processor Platform Limit event detected, but not handled.\n");
	307	printk(KERN_WARNING
	308	"Consider compiling CPUfreq support into your kernel.\n");
1da177e4 LT	309	printout = 0;
	310	}
	311	return 0;
	312	}
4be44fcd	313	#endif /* CONFIG_CPU_FREQ */
1da177e4 LT	314
1da177e4 LT	315	/* in processor_throttling.c */
4be44fcd	316	int acpi_processor_get_throttling_info(struct acpi_processor *pr);
01854e69	317	extern int acpi_processor_set_throttling(struct acpi_processor *pr, int state);
1da177e4 LT	318	extern struct file_operations acpi_processor_throttling_fops;
	319
	320	/* in processor_idle.c */
4be44fcd LB	321	int acpi_processor_power_init(struct acpi_processor *pr,
	322	struct acpi_device *device);
	323	int acpi_processor_cst_has_changed(struct acpi_processor *pr);
	324	int acpi_processor_power_exit(struct acpi_processor *pr,
	325	struct acpi_device *device);
b04e7bdb TG	326	int acpi_processor_suspend(struct acpi_device * device, pm_message_t state);
b04e7bdb TG	327	int acpi_processor_resume(struct acpi_device * device);
4f86d3a8	328	extern struct cpuidle_driver acpi_idle_driver;
1da177e4 LT	329
1da177e4 LT	330	/* in processor_thermal.c */
4be44fcd	331	int acpi_processor_get_limit_info(struct acpi_processor *pr);
1da177e4 LT	332	extern struct file_operations acpi_processor_limit_fops;
	333
	334	#ifdef CONFIG_CPU_FREQ
	335	void acpi_thermal_cpufreq_init(void);
	336	void acpi_thermal_cpufreq_exit(void);
	337	#else
4be44fcd LB	338	static inline void acpi_thermal_cpufreq_init(void)
	339	{
	340	return;
	341	}
	342	static inline void acpi_thermal_cpufreq_exit(void)
	343	{
	344	return;
	345	}
1da177e4 LT	346	#endif
1da177e4 LT	347
1da177e4	348	#endif