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nexedi
linux
Commits
9b80ac47
Commit
9b80ac47
authored
Oct 06, 2003
by
Linus Torvalds
Browse files
Options
Browse Files
Download
Plain Diff
Merge
bk://linux-dj.bkbits.net/cpufreq
into home.osdl.org:/home/torvalds/v2.5/linux
parents
9c203f3d
c2ffde0c
Changes
6
Show whitespace changes
Inline
Side-by-side
Showing
6 changed files
with
135 additions
and
57 deletions
+135
-57
arch/i386/kernel/cpu/cpufreq/Kconfig
arch/i386/kernel/cpu/cpufreq/Kconfig
+2
-2
arch/i386/kernel/cpu/cpufreq/longhaul.c
arch/i386/kernel/cpu/cpufreq/longhaul.c
+13
-11
arch/i386/kernel/cpu/cpufreq/longhaul.h
arch/i386/kernel/cpu/cpufreq/longhaul.h
+98
-23
arch/i386/kernel/cpu/cpufreq/powernow-k8.c
arch/i386/kernel/cpu/cpufreq/powernow-k8.c
+16
-15
arch/i386/kernel/cpu/cpufreq/powernow-k8.h
arch/i386/kernel/cpu/cpufreq/powernow-k8.h
+3
-3
drivers/cpufreq/Kconfig
drivers/cpufreq/Kconfig
+3
-3
No files found.
arch/i386/kernel/cpu/cpufreq/Kconfig
View file @
9b80ac47
...
@@ -12,7 +12,7 @@ config CPU_FREQ
...
@@ -12,7 +12,7 @@ config CPU_FREQ
because the lower the clock speed, the less power the CPU consumes.
because the lower the clock speed, the less power the CPU consumes.
For more information, take a look at linux/Documentation/cpu-freq or
For more information, take a look at linux/Documentation/cpu-freq or
at <http://www.
brodo.de
/cpufreq/>
at <http://www.
codemonkey.org.uk/projects
/cpufreq/>
If in doubt, say N.
If in doubt, say N.
...
@@ -90,7 +90,7 @@ config X86_POWERNOW_K7
...
@@ -90,7 +90,7 @@ config X86_POWERNOW_K7
config X86_POWERNOW_K8
config X86_POWERNOW_K8
tristate "AMD Opteron/Athlon64 PowerNow!"
tristate "AMD Opteron/Athlon64 PowerNow!"
depends on CPU_FREQ
_TABLE
depends on CPU_FREQ
&& EXPERIMENTAL
help
help
This adds the CPUFreq driver for mobile AMD Opteron/Athlon64 processors.
This adds the CPUFreq driver for mobile AMD Opteron/Athlon64 processors.
...
...
arch/i386/kernel/cpu/cpufreq/longhaul.c
View file @
9b80ac47
...
@@ -373,7 +373,7 @@ static int longhaul_cpu_init (struct cpufreq_policy *policy)
...
@@ -373,7 +373,7 @@ static int longhaul_cpu_init (struct cpufreq_policy *policy)
case
6
:
case
6
:
cpuname
=
"C3 'Samuel' [C5A]"
;
cpuname
=
"C3 'Samuel' [C5A]"
;
longhaul_version
=
1
;
longhaul_version
=
1
;
memcpy
(
clock_ratio
,
longhaul1_clock_ratio
,
sizeof
(
longhau
l1_clock_ratio
));
memcpy
(
clock_ratio
,
samuel1_clock_ratio
,
sizeof
(
samue
l1_clock_ratio
));
memcpy
(
eblcr_table
,
samuel1_eblcr
,
sizeof
(
samuel1_eblcr
));
memcpy
(
eblcr_table
,
samuel1_eblcr
,
sizeof
(
samuel1_eblcr
));
break
;
break
;
...
@@ -382,13 +382,17 @@ static int longhaul_cpu_init (struct cpufreq_policy *policy)
...
@@ -382,13 +382,17 @@ static int longhaul_cpu_init (struct cpufreq_policy *policy)
case
0
:
case
0
:
cpuname
=
"C3 'Samuel 2' [C5B]"
;
cpuname
=
"C3 'Samuel 2' [C5B]"
;
longhaul_version
=
1
;
longhaul_version
=
1
;
memcpy
(
clock_ratio
,
longhaul1_clock_ratio
,
sizeof
(
longhaul1_clock_ratio
));
/* Note, this is not a typo, early Samuel2's had Samuel1 ratios. */
memcpy
(
clock_ratio
,
samuel1_clock_ratio
,
sizeof
(
samuel1_clock_ratio
));
memcpy
(
eblcr_table
,
samuel2_eblcr
,
sizeof
(
samuel2_eblcr
));
memcpy
(
eblcr_table
,
samuel2_eblcr
,
sizeof
(
samuel2_eblcr
));
break
;
break
;
case
1
...
15
:
case
1
...
15
:
if
(
c
->
x86_mask
<
8
)
cpuname
=
"C3 'Samuel 2' [C5B]"
;
else
cpuname
=
"C3 'Ezra' [C5C]"
;
cpuname
=
"C3 'Ezra' [C5C]"
;
longhaul_version
=
2
;
longhaul_version
=
2
;
memcpy
(
clock_ratio
,
longhaul2_clock_ratio
,
sizeof
(
longhaul2
_clock_ratio
));
memcpy
(
clock_ratio
,
ezra_clock_ratio
,
sizeof
(
ezra
_clock_ratio
));
memcpy
(
eblcr_table
,
ezra_eblcr
,
sizeof
(
ezra_eblcr
));
memcpy
(
eblcr_table
,
ezra_eblcr
,
sizeof
(
ezra_eblcr
));
break
;
break
;
}
}
...
@@ -398,14 +402,16 @@ static int longhaul_cpu_init (struct cpufreq_policy *policy)
...
@@ -398,14 +402,16 @@ static int longhaul_cpu_init (struct cpufreq_policy *policy)
cpuname
=
"C3 'Ezra-T [C5M]"
;
cpuname
=
"C3 'Ezra-T [C5M]"
;
longhaul_version
=
3
;
longhaul_version
=
3
;
numscales
=
32
;
numscales
=
32
;
memcpy
(
clock_ratio
,
longhaul3_clock_ratio
,
sizeof
(
longhaul3
_clock_ratio
));
memcpy
(
clock_ratio
,
ezrat_clock_ratio
,
sizeof
(
ezrat
_clock_ratio
));
memcpy
(
eblcr_table
,
c5m_eblcr
,
sizeof
(
c5m
_eblcr
));
memcpy
(
eblcr_table
,
ezrat_eblcr
,
sizeof
(
ezrat
_eblcr
));
break
;
break
;
/*
/*
case 9:
case 9:
cpuname = "C3 'Nehemiah' [C5N]";
cpuname = "C3 'Nehemiah' [C5N]";
longhaul_version=3;
longhaul_version=3;
numscales=32;
numscales=32;
memcpy (clock_ratio, nehemiah_clock_ratio, sizeof(nehemiah_clock_ratio));
memcpy (eblcr_table, nehemiah_eblcr, sizeof(nehemiah_eblcr));
*/
*/
default:
default:
cpuname
=
"Unknown"
;
cpuname
=
"Unknown"
;
...
@@ -445,12 +451,8 @@ static int __init longhaul_init (void)
...
@@ -445,12 +451,8 @@ static int __init longhaul_init (void)
return
-
ENODEV
;
return
-
ENODEV
;
switch
(
c
->
x86_model
)
{
switch
(
c
->
x86_model
)
{
case
6
...
7
:
case
6
...
8
:
return
cpufreq_register_driver
(
&
longhaul_driver
);
return
cpufreq_register_driver
(
&
longhaul_driver
);
case
8
:
printk
(
KERN_INFO
PFX
"Ezra-T unsupported: Waiting on updated docs "
"from VIA before this is usable.
\n
"
);
break
;
case
9
:
case
9
:
printk
(
KERN_INFO
PFX
"Nehemiah unsupported: Waiting on working silicon "
printk
(
KERN_INFO
PFX
"Nehemiah unsupported: Waiting on working silicon "
"from VIA before this is usable.
\n
"
);
"from VIA before this is usable.
\n
"
);
...
...
arch/i386/kernel/cpu/cpufreq/longhaul.h
View file @
9b80ac47
...
@@ -56,7 +56,7 @@ union msr_longhaul {
...
@@ -56,7 +56,7 @@ union msr_longhaul {
/*
/*
* VIA C3 Samuel 1 & Samuel 2 (stepping 0)
* VIA C3 Samuel 1 & Samuel 2 (stepping 0)
*/
*/
static
int
__initdata
longhau
l1_clock_ratio
[
16
]
=
{
static
int
__initdata
samue
l1_clock_ratio
[
16
]
=
{
-
1
,
/* 0000 -> RESERVED */
-
1
,
/* 0000 -> RESERVED */
30
,
/* 0001 -> 3.0x */
30
,
/* 0001 -> 3.0x */
40
,
/* 0010 -> 4.0x */
40
,
/* 0010 -> 4.0x */
...
@@ -95,27 +95,8 @@ static int __initdata samuel1_eblcr[16] = {
...
@@ -95,27 +95,8 @@ static int __initdata samuel1_eblcr[16] = {
};
};
/*
/*
* VIA C3 Samuel2 Stepping 1->15
& VIA C3 Ezra
* VIA C3 Samuel2 Stepping 1->15
*/
*/
static
int
__initdata
longhaul2_clock_ratio
[
16
]
=
{
100
,
/* 0000 -> 10.0x */
30
,
/* 0001 -> 3.0x */
40
,
/* 0010 -> 4.0x */
90
,
/* 0011 -> 9.0x */
95
,
/* 0100 -> 9.5x */
35
,
/* 0101 -> 3.5x */
45
,
/* 0110 -> 4.5x */
55
,
/* 0111 -> 5.5x */
60
,
/* 1000 -> 6.0x */
70
,
/* 1001 -> 7.0x */
80
,
/* 1010 -> 8.0x */
50
,
/* 1011 -> 5.0x */
65
,
/* 1100 -> 6.5x */
75
,
/* 1101 -> 7.5x */
85
,
/* 1110 -> 8.5x */
120
,
/* 1111 -> 12.0x */
};
static
int
__initdata
samuel2_eblcr
[
16
]
=
{
static
int
__initdata
samuel2_eblcr
[
16
]
=
{
50
,
/* 0000 -> 5.0x */
50
,
/* 0000 -> 5.0x */
30
,
/* 0001 -> 3.0x */
30
,
/* 0001 -> 3.0x */
...
@@ -135,6 +116,28 @@ static int __initdata samuel2_eblcr[16] = {
...
@@ -135,6 +116,28 @@ static int __initdata samuel2_eblcr[16] = {
65
,
/* 1111 -> 6.5x */
65
,
/* 1111 -> 6.5x */
};
};
/*
* VIA C3 Ezra
*/
static
int
__initdata
ezra_clock_ratio
[
16
]
=
{
100
,
/* 0000 -> 10.0x */
30
,
/* 0001 -> 3.0x */
40
,
/* 0010 -> 4.0x */
90
,
/* 0011 -> 9.0x */
95
,
/* 0100 -> 9.5x */
35
,
/* 0101 -> 3.5x */
45
,
/* 0110 -> 4.5x */
55
,
/* 0111 -> 5.5x */
60
,
/* 1000 -> 6.0x */
70
,
/* 1001 -> 7.0x */
80
,
/* 1010 -> 8.0x */
50
,
/* 1011 -> 5.0x */
65
,
/* 1100 -> 6.5x */
75
,
/* 1101 -> 7.5x */
85
,
/* 1110 -> 8.5x */
120
,
/* 1111 -> 12.0x */
};
static
int
__initdata
ezra_eblcr
[
16
]
=
{
static
int
__initdata
ezra_eblcr
[
16
]
=
{
50
,
/* 0000 -> 5.0x */
50
,
/* 0000 -> 5.0x */
30
,
/* 0001 -> 3.0x */
30
,
/* 0001 -> 3.0x */
...
@@ -157,7 +160,7 @@ static int __initdata ezra_eblcr[16] = {
...
@@ -157,7 +160,7 @@ static int __initdata ezra_eblcr[16] = {
/*
/*
* VIA C3 (Ezra-T) [C5M].
* VIA C3 (Ezra-T) [C5M].
*/
*/
static
int
__initdata
longhaul3
_clock_ratio
[
32
]
=
{
static
int
__initdata
ezrat
_clock_ratio
[
32
]
=
{
100
,
/* 0000 -> 10.0x */
100
,
/* 0000 -> 10.0x */
30
,
/* 0001 -> 3.0x */
30
,
/* 0001 -> 3.0x */
40
,
/* 0010 -> 4.0x */
40
,
/* 0010 -> 4.0x */
...
@@ -193,7 +196,7 @@ static int __initdata longhaul3_clock_ratio[32] = {
...
@@ -193,7 +196,7 @@ static int __initdata longhaul3_clock_ratio[32] = {
-
1
,
/* 1111 -> RESERVED (12.0x) */
-
1
,
/* 1111 -> RESERVED (12.0x) */
};
};
static
int
__initdata
c5m
_eblcr
[
32
]
=
{
static
int
__initdata
ezrat
_eblcr
[
32
]
=
{
50
,
/* 0000 -> 5.0x */
50
,
/* 0000 -> 5.0x */
30
,
/* 0001 -> 3.0x */
30
,
/* 0001 -> 3.0x */
40
,
/* 0010 -> 4.0x */
40
,
/* 0010 -> 4.0x */
...
@@ -229,7 +232,79 @@ static int __initdata c5m_eblcr[32] = {
...
@@ -229,7 +232,79 @@ static int __initdata c5m_eblcr[32] = {
145
,
/* 1111 -> 14.5x */
145
,
/* 1111 -> 14.5x */
};
};
/*
* VIA C3 Nehemiah */
static
int
__initdata
nehemiah_clock_ratio
[
32
]
=
{
100
,
/* 0000 -> 10.0x */
160
,
/* 0001 -> 16.0x */
-
1
,
/* 0010 -> RESERVED */
90
,
/* 0011 -> 9.0x */
95
,
/* 0100 -> 9.5x */
-
1
,
/* 0101 -> RESERVED */
-
1
,
/* 0110 -> RESERVED */
55
,
/* 0111 -> 5.5x */
60
,
/* 1000 -> 6.0x */
70
,
/* 1001 -> 7.0x */
80
,
/* 1010 -> 8.0x */
50
,
/* 1011 -> 5.0x */
65
,
/* 1100 -> 6.5x */
75
,
/* 1101 -> 7.5x */
85
,
/* 1110 -> 8.5x */
120
,
/* 1111 -> 12.0x */
100
,
/* 0000 -> 10.0x */
110
,
/* 0001 -> 11.0x */
120
,
/* 0010 -> 12.0x */
90
,
/* 0011 -> 9.0x */
105
,
/* 0100 -> 10.5x */
115
,
/* 0101 -> 11.5x */
125
,
/* 0110 -> 12.5x */
135
,
/* 0111 -> 13.5x */
140
,
/* 1000 -> 14.0x */
150
,
/* 1001 -> 15.0x */
160
,
/* 1010 -> 16.0x */
130
,
/* 1011 -> 13.0x */
145
,
/* 1100 -> 14.5x */
155
,
/* 1101 -> 15.5x */
-
1
,
/* 1110 -> RESERVED */
120
,
/* 1111 -> 12.0x */
};
static
int
__initdata
nehemiah_eblcr
[
32
]
=
{
50
,
/* 0000 -> 5.0x */
160
,
/* 0001 -> 16.0x */
-
1
,
/* 0010 -> RESERVED */
100
,
/* 0011 -> 10.0x */
55
,
/* 0100 -> 5.5x */
-
1
,
/* 0101 -> RESERVED */
-
1
,
/* 0110 -> RESERVED */
95
,
/* 0111 -> 9.5x */
90
,
/* 1000 -> 9.0x */
70
,
/* 1001 -> 7.0x */
80
,
/* 1010 -> 8.0x */
60
,
/* 1011 -> 6.0x */
120
,
/* 1100 -> 12.0x */
75
,
/* 1101 -> 7.5x */
85
,
/* 1110 -> 8.5x */
65
,
/* 1111 -> 6.5x */
90
,
/* 0000 -> 9.0x */
110
,
/* 0001 -> 11.0x */
120
,
/* 0010 -> 12.0x */
100
,
/* 0011 -> 10.0x */
135
,
/* 0100 -> 13.5x */
115
,
/* 0101 -> 11.5x */
125
,
/* 0110 -> 12.5x */
105
,
/* 0111 -> 10.5x */
130
,
/* 1000 -> 13.0x */
150
,
/* 1001 -> 15.0x */
160
,
/* 1010 -> 16.0x */
140
,
/* 1011 -> 14.0x */
120
,
/* 1100 -> 12.0x */
155
,
/* 1101 -> 15.5x */
-
1
,
/* 1110 -> RESERVED */
-
1
,
/* 1111 -> RESERVED */
};
/*
/*
* Voltage scales. Div/Mod by 1000 to get actual voltage.
* Voltage scales. Div/Mod by 1000 to get actual voltage.
* Which scale to use depends on the VRM type in use.
* Which scale to use depends on the VRM type in use.
...
...
arch/i386/kernel/cpu/cpufreq/powernow-k8.c
View file @
9b80ac47
...
@@ -72,9 +72,9 @@ static u32 batps; /* limit on the number of p states when on battery */
...
@@ -72,9 +72,9 @@ static u32 batps; /* limit on the number of p states when on battery */
/* - set by BIOS in the PSB/PST */
/* - set by BIOS in the PSB/PST */
static
struct
cpufreq_driver
cpufreq_amd64_driver
=
{
static
struct
cpufreq_driver
cpufreq_amd64_driver
=
{
.
verify
=
drv
_verify
,
.
verify
=
powernowk8
_verify
,
.
target
=
drv
_target
,
.
target
=
powernowk8
_target
,
.
init
=
drv
_cpu_init
,
.
init
=
powernowk8
_cpu_init
,
.
name
=
"cpufreq-amd64"
,
.
name
=
"cpufreq-amd64"
,
.
owner
=
THIS_MODULE
,
.
owner
=
THIS_MODULE
,
};
};
...
@@ -90,7 +90,7 @@ find_freq_from_fid(u32 fid)
...
@@ -90,7 +90,7 @@ find_freq_from_fid(u32 fid)
}
}
/* Return a fid matching an input frequency in MHz */
/* Return a fid matching an input frequency in MHz */
u32
static
u32
find_fid_from_freq
(
u32
freq
)
find_fid_from_freq
(
u32
freq
)
{
{
return
(
freq
-
800
)
/
100
;
return
(
freq
-
800
)
/
100
;
...
@@ -718,7 +718,7 @@ find_psb_table(void)
...
@@ -718,7 +718,7 @@ find_psb_table(void)
/* Converts a frequency (that might not necessarily be a multiple of 200) */
/* Converts a frequency (that might not necessarily be a multiple of 200) */
/* to a fid. */
/* to a fid. */
u32
static
u32
find_closest_fid
(
u32
freq
,
int
searchup
)
find_closest_fid
(
u32
freq
,
int
searchup
)
{
{
if
(
searchup
==
SEARCH_UP
)
if
(
searchup
==
SEARCH_UP
)
...
@@ -861,7 +861,7 @@ transition_frequency(u32 * preq, u32 * pmin, u32 * pmax, u32 searchup)
...
@@ -861,7 +861,7 @@ transition_frequency(u32 * preq, u32 * pmin, u32 * pmax, u32 searchup)
/* Driver entry point to switch to the target frequency */
/* Driver entry point to switch to the target frequency */
static
int
static
int
drv
_target
(
struct
cpufreq_policy
*
pol
,
unsigned
targfreq
,
unsigned
relation
)
powernowk8
_target
(
struct
cpufreq_policy
*
pol
,
unsigned
targfreq
,
unsigned
relation
)
{
{
u32
checkfid
=
currfid
;
u32
checkfid
=
currfid
;
u32
checkvid
=
currvid
;
u32
checkvid
=
currvid
;
...
@@ -909,7 +909,7 @@ drv_target(struct cpufreq_policy *pol, unsigned targfreq, unsigned relation)
...
@@ -909,7 +909,7 @@ drv_target(struct cpufreq_policy *pol, unsigned targfreq, unsigned relation)
/* Driver entry point to verify the policy and range of frequencies */
/* Driver entry point to verify the policy and range of frequencies */
static
int
static
int
drv
_verify
(
struct
cpufreq_policy
*
pol
)
powernowk8
_verify
(
struct
cpufreq_policy
*
pol
)
{
{
u32
min
=
pol
->
min
/
1000
;
u32
min
=
pol
->
min
/
1000
;
u32
max
=
pol
->
max
/
1000
;
u32
max
=
pol
->
max
/
1000
;
...
@@ -935,6 +935,7 @@ drv_verify(struct cpufreq_policy *pol)
...
@@ -935,6 +935,7 @@ drv_verify(struct cpufreq_policy *pol)
return
-
ENODEV
;
return
-
ENODEV
;
}
}
#warning pol->policy is in undefined state here
res
=
find_match
(
&
targ
,
&
min
,
&
max
,
res
=
find_match
(
&
targ
,
&
min
,
&
max
,
pol
->
policy
==
CPUFREQ_POLICY_POWERSAVE
?
pol
->
policy
==
CPUFREQ_POLICY_POWERSAVE
?
SEARCH_DOWN
:
SEARCH_UP
,
0
,
0
);
SEARCH_DOWN
:
SEARCH_UP
,
0
,
0
);
...
@@ -947,14 +948,14 @@ drv_verify(struct cpufreq_policy *pol)
...
@@ -947,14 +948,14 @@ drv_verify(struct cpufreq_policy *pol)
/* per CPU init entry point to the driver */
/* per CPU init entry point to the driver */
static
int
__init
static
int
__init
drv
_cpu_init
(
struct
cpufreq_policy
*
pol
)
powernowk8
_cpu_init
(
struct
cpufreq_policy
*
pol
)
{
{
if
(
pol
->
cpu
!=
0
)
{
if
(
pol
->
cpu
!=
0
)
{
printk
(
KERN_ERR
PFX
"init not cpu 0
\n
"
);
printk
(
KERN_ERR
PFX
"init not cpu 0
\n
"
);
return
-
ENODEV
;
return
-
ENODEV
;
}
}
pol
->
policy
=
CPUFREQ_POLICY_PERFORMANCE
;
/* boot as fast as we can */
pol
->
governor
=
CPUFREQ_DEFAULT_GOVERNOR
;
/* Take a crude guess here. */
/* Take a crude guess here. */
pol
->
cpuinfo
.
transition_latency
=
((
rvo
+
8
)
*
vstable
*
VST_UNITS_20US
)
pol
->
cpuinfo
.
transition_latency
=
((
rvo
+
8
)
*
vstable
*
VST_UNITS_20US
)
...
@@ -980,7 +981,7 @@ drv_cpu_init(struct cpufreq_policy *pol)
...
@@ -980,7 +981,7 @@ drv_cpu_init(struct cpufreq_policy *pol)
/* driver entry point for init */
/* driver entry point for init */
static
int
__init
static
int
__init
drv
_init
(
void
)
powernowk8
_init
(
void
)
{
{
int
rc
;
int
rc
;
...
@@ -994,7 +995,7 @@ drv_init(void)
...
@@ -994,7 +995,7 @@ drv_init(void)
return
rc
;
return
rc
;
if
(
pending_bit_stuck
())
{
if
(
pending_bit_stuck
())
{
printk
(
KERN_ERR
PFX
"
drv
_init fail, change pending bit set
\n
"
);
printk
(
KERN_ERR
PFX
"
powernowk8
_init fail, change pending bit set
\n
"
);
kfree
(
ppst
);
kfree
(
ppst
);
return
-
EIO
;
return
-
EIO
;
}
}
...
@@ -1004,9 +1005,9 @@ drv_init(void)
...
@@ -1004,9 +1005,9 @@ drv_init(void)
/* driver entry point for term */
/* driver entry point for term */
static
void
__exit
static
void
__exit
drv
_exit
(
void
)
powernowk8
_exit
(
void
)
{
{
dprintk
(
KERN_INFO
PFX
"
drv
_exit
\n
"
);
dprintk
(
KERN_INFO
PFX
"
powernowk8
_exit
\n
"
);
cpufreq_unregister_driver
(
&
cpufreq_amd64_driver
);
cpufreq_unregister_driver
(
&
cpufreq_amd64_driver
);
kfree
(
ppst
);
kfree
(
ppst
);
...
@@ -1016,5 +1017,5 @@ MODULE_AUTHOR("Paul Devriendt <paul.devriendt@amd.com>");
...
@@ -1016,5 +1017,5 @@ MODULE_AUTHOR("Paul Devriendt <paul.devriendt@amd.com>");
MODULE_DESCRIPTION
(
"AMD Athlon 64 and Opteron processor frequency driver."
);
MODULE_DESCRIPTION
(
"AMD Athlon 64 and Opteron processor frequency driver."
);
MODULE_LICENSE
(
"GPL"
);
MODULE_LICENSE
(
"GPL"
);
module_init
(
drv
_init
);
module_init
(
powernowk8
_init
);
module_exit
(
drv
_exit
);
module_exit
(
powernowk8
_exit
);
arch/i386/kernel/cpu/cpufreq/powernow-k8.h
View file @
9b80ac47
...
@@ -120,7 +120,7 @@ struct pst_s {
...
@@ -120,7 +120,7 @@ struct pst_s {
static
inline
int
core_voltage_pre_transition
(
u32
reqvid
);
static
inline
int
core_voltage_pre_transition
(
u32
reqvid
);
static
inline
int
core_voltage_post_transition
(
u32
reqvid
);
static
inline
int
core_voltage_post_transition
(
u32
reqvid
);
static
inline
int
core_frequency_transition
(
u32
reqfid
);
static
inline
int
core_frequency_transition
(
u32
reqfid
);
static
int
drv
_verify
(
struct
cpufreq_policy
*
pol
);
static
int
powernowk8
_verify
(
struct
cpufreq_policy
*
pol
);
static
int
drv
_target
(
struct
cpufreq_policy
*
pol
,
unsigned
targfreq
,
static
int
powernowk8
_target
(
struct
cpufreq_policy
*
pol
,
unsigned
targfreq
,
unsigned
relation
);
unsigned
relation
);
static
int
__init
drv
_cpu_init
(
struct
cpufreq_policy
*
pol
);
static
int
__init
powernowk8
_cpu_init
(
struct
cpufreq_policy
*
pol
);
drivers/cpufreq/Kconfig
View file @
9b80ac47
...
@@ -6,7 +6,7 @@ config CPU_FREQ_PROC_INTF
...
@@ -6,7 +6,7 @@ config CPU_FREQ_PROC_INTF
CPUFreq. Please note that it is recommended to use the sysfs
CPUFreq. Please note that it is recommended to use the sysfs
interface instead (which is built automatically).
interface instead (which is built automatically).
For details, take a look at linux/Documentation/cpufreq.
For details, take a look at linux/Documentation/cpu
-
freq.
If in doubt, say N.
If in doubt, say N.
...
@@ -64,7 +64,7 @@ config CPU_FREQ_GOV_USERSPACE
...
@@ -64,7 +64,7 @@ config CPU_FREQ_GOV_USERSPACE
be able to set the CPU dynamically, like on LART
be able to set the CPU dynamically, like on LART
<http://www.lart.tudelft.nl/>
<http://www.lart.tudelft.nl/>
For details, take a look at linux/Documentation/cpufreq.
For details, take a look at linux/Documentation/cpu
-
freq.
If in doubt, say Y.
If in doubt, say Y.
...
@@ -78,6 +78,6 @@ config CPU_FREQ_24_API
...
@@ -78,6 +78,6 @@ config CPU_FREQ_24_API
the same functionality as long as "userspace" is the
the same functionality as long as "userspace" is the
selected governor for the specified CPU.
selected governor for the specified CPU.
For details, take a look at linux/Documentation/cpufreq.
For details, take a look at linux/Documentation/cpu
-
freq.
If in doubt, say N.
If in doubt, say N.
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