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08e4a10e
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08e4a10e
编写于
17年前
作者:
L
Len Brown
浏览文件
操作
浏览文件
下载
差异文件
Pull bugzilla-7570 into release branch
上级
4559b438
b1028c54
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
27 addition
and
20 deletion
+27
-20
drivers/acpi/bus.c
drivers/acpi/bus.c
+7
-8
drivers/acpi/power.c
drivers/acpi/power.c
+4
-0
drivers/acpi/thermal.c
drivers/acpi/thermal.c
+16
-12
未找到文件。
drivers/acpi/bus.c
浏览文件 @
08e4a10e
...
...
@@ -199,15 +199,14 @@ int acpi_bus_set_power(acpi_handle handle, int state)
* Get device's current power state if it's unknown
* This means device power state isn't initialized or previous setting failed
*/
if
(
!
device
->
flags
.
force_power_state
)
{
if
(
device
->
power
.
state
==
ACPI_STATE_UNKNOWN
)
acpi_bus_get_power
(
device
->
handle
,
&
device
->
power
.
state
);
if
(
state
==
device
->
power
.
state
)
{
ACPI_DEBUG_PRINT
((
ACPI_DB_INFO
,
"Device is already at D%d
\n
"
,
state
));
return
0
;
}
if
((
device
->
power
.
state
==
ACPI_STATE_UNKNOWN
)
||
device
->
flags
.
force_power_state
)
acpi_bus_get_power
(
device
->
handle
,
&
device
->
power
.
state
);
if
((
state
==
device
->
power
.
state
)
&&
!
device
->
flags
.
force_power_state
)
{
ACPI_DEBUG_PRINT
((
ACPI_DB_INFO
,
"Device is already at D%d
\n
"
,
state
));
return
0
;
}
if
(
!
device
->
power
.
states
[
state
].
flags
.
valid
)
{
printk
(
KERN_WARNING
PREFIX
"Device does not support D%d
\n
"
,
state
);
return
-
ENODEV
;
...
...
This diff is collapsed.
Click to expand it.
drivers/acpi/power.c
浏览文件 @
08e4a10e
...
...
@@ -455,6 +455,10 @@ int acpi_power_transition(struct acpi_device *device, int state)
goto
end
;
}
if
(
device
->
power
.
state
==
state
)
{
goto
end
;
}
/*
* Then we dereference all power resources used in the current list.
*/
...
...
This diff is collapsed.
Click to expand it.
drivers/acpi/thermal.c
浏览文件 @
08e4a10e
...
...
@@ -1356,28 +1356,32 @@ static int acpi_thermal_remove(struct acpi_device *device, int type)
static
int
acpi_thermal_resume
(
struct
acpi_device
*
device
)
{
struct
acpi_thermal
*
tz
=
NULL
;
int
i
;
int
i
,
j
,
power_state
,
result
;
if
(
!
device
||
!
acpi_driver_data
(
device
))
return
-
EINVAL
;
tz
=
acpi_driver_data
(
device
);
acpi_thermal_get_temperature
(
tz
);
for
(
i
=
0
;
i
<
ACPI_THERMAL_MAX_ACTIVE
;
i
++
)
{
if
(
tz
->
trips
.
active
[
i
].
flags
.
valid
)
{
tz
->
temperature
=
tz
->
trips
.
active
[
i
].
temperature
;
tz
->
trips
.
active
[
i
].
flags
.
enabled
=
0
;
acpi_thermal_active
(
tz
);
tz
->
state
.
active
|=
tz
->
trips
.
active
[
i
].
flags
.
enabled
;
tz
->
state
.
active_index
=
i
;
if
(
!
(
&
tz
->
trips
.
active
[
i
]))
break
;
if
(
!
tz
->
trips
.
active
[
i
].
flags
.
valid
)
break
;
tz
->
trips
.
active
[
i
].
flags
.
enabled
=
1
;
for
(
j
=
0
;
j
<
tz
->
trips
.
active
[
i
].
devices
.
count
;
j
++
)
{
result
=
acpi_bus_get_power
(
tz
->
trips
.
active
[
i
].
devices
.
handles
[
j
],
&
power_state
);
if
(
result
||
(
power_state
!=
ACPI_STATE_D0
))
{
tz
->
trips
.
active
[
i
].
flags
.
enabled
=
0
;
break
;
}
}
tz
->
state
.
active
|=
tz
->
trips
.
active
[
i
].
flags
.
enabled
;
}
acpi_thermal_check
(
tz
);
acpi_thermal_check
(
tz
);
return
AE_OK
;
}
...
...
This diff is collapsed.
Click to expand it.
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