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Kirill Smelkov
linux
Commits
6072ace4
Commit
6072ace4
authored
Jan 18, 2009
by
Dave Jones
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[CPUFREQ] checkpatch cleanups for sc520
Signed-off-by:
Dave Jones
<
davej@redhat.com
>
parent
14a6650f
Changes
1
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1 changed file
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17 additions
and
13 deletions
+17
-13
arch/x86/kernel/cpu/cpufreq/sc520_freq.c
arch/x86/kernel/cpu/cpufreq/sc520_freq.c
+17
-13
No files found.
arch/x86/kernel/cpu/cpufreq/sc520_freq.c
View file @
6072ace4
...
...
@@ -19,17 +19,19 @@
#include <linux/delay.h>
#include <linux/cpufreq.h>
#include <linux/timex.h>
#include <linux/io.h>
#include <asm/msr.h>
#include <asm/timex.h>
#include <asm/io.h>
#define MMCR_BASE 0xfffef000
/* The default base address */
#define OFFS_CPUCTL 0x2
/* CPU Control Register */
static
__u8
__iomem
*
cpuctl
;
#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "sc520_freq", msg)
#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, \
"sc520_freq", msg)
#define PFX "sc520_freq: "
static
struct
cpufreq_frequency_table
sc520_freq_table
[]
=
{
{
0x01
,
100000
},
...
...
@@ -43,7 +45,8 @@ static unsigned int sc520_freq_get_cpu_frequency(unsigned int cpu)
switch
(
clockspeed_reg
&
0x03
)
{
default:
printk
(
KERN_ERR
"sc520_freq: error: cpuctl register has unexpected value %02x
\n
"
,
clockspeed_reg
);
printk
(
KERN_ERR
PFX
"error: cpuctl register has unexpected "
"value %02x
\n
"
,
clockspeed_reg
);
case
0x01
:
return
100000
;
case
0x02
:
...
...
@@ -51,7 +54,7 @@ static unsigned int sc520_freq_get_cpu_frequency(unsigned int cpu)
}
}
static
void
sc520_freq_set_cpu_state
(
unsigned
int
state
)
static
void
sc520_freq_set_cpu_state
(
unsigned
int
state
)
{
struct
cpufreq_freqs
freqs
;
...
...
@@ -76,18 +79,19 @@ static void sc520_freq_set_cpu_state (unsigned int state)
cpufreq_notify_transition
(
&
freqs
,
CPUFREQ_POSTCHANGE
);
};
static
int
sc520_freq_verify
(
struct
cpufreq_policy
*
policy
)
static
int
sc520_freq_verify
(
struct
cpufreq_policy
*
policy
)
{
return
cpufreq_frequency_table_verify
(
policy
,
&
sc520_freq_table
[
0
]);
}
static
int
sc520_freq_target
(
struct
cpufreq_policy
*
policy
,
static
int
sc520_freq_target
(
struct
cpufreq_policy
*
policy
,
unsigned
int
target_freq
,
unsigned
int
relation
)
{
unsigned
int
newstate
=
0
;
if
(
cpufreq_frequency_table_target
(
policy
,
sc520_freq_table
,
target_freq
,
relation
,
&
newstate
))
if
(
cpufreq_frequency_table_target
(
policy
,
sc520_freq_table
,
target_freq
,
relation
,
&
newstate
))
return
-
EINVAL
;
sc520_freq_set_cpu_state
(
newstate
);
...
...
@@ -116,7 +120,7 @@ static int sc520_freq_cpu_init(struct cpufreq_policy *policy)
result
=
cpufreq_frequency_table_cpuinfo
(
policy
,
sc520_freq_table
);
if
(
result
)
return
(
result
)
;
return
result
;
cpufreq_frequency_table_get_attr
(
sc520_freq_table
,
policy
->
cpu
);
...
...
@@ -131,7 +135,7 @@ static int sc520_freq_cpu_exit(struct cpufreq_policy *policy)
}
static
struct
freq_attr
*
sc520_freq_attr
[]
=
{
static
struct
freq_attr
*
sc520_freq_attr
[]
=
{
&
cpufreq_freq_attr_scaling_available_freqs
,
NULL
,
};
...
...
@@ -155,13 +159,13 @@ static int __init sc520_freq_init(void)
int
err
;
/* Test if we have the right hardware */
if
(
c
->
x86_vendor
!=
X86_VENDOR_AMD
||
if
(
c
->
x86_vendor
!=
X86_VENDOR_AMD
||
c
->
x86
!=
4
||
c
->
x86_model
!=
9
)
{
dprintk
(
"no Elan SC520 processor found!
\n
"
);
return
-
ENODEV
;
}
cpuctl
=
ioremap
((
unsigned
long
)(
MMCR_BASE
+
OFFS_CPUCTL
),
1
);
if
(
!
cpuctl
)
{
if
(
!
cpuctl
)
{
printk
(
KERN_ERR
"sc520_freq: error: failed to remap memory
\n
"
);
return
-
ENOMEM
;
}
...
...
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