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-rw-r--r--Documentation/ABI/testing/sysfs-devices-power46
-rw-r--r--Documentation/kernel-parameters.txt7
2 files changed, 37 insertions, 16 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-power b/Documentation/ABI/testing/sysfs-devices-power
index 7dbf96b724ed..676fdf5f2a99 100644
--- a/Documentation/ABI/testing/sysfs-devices-power
+++ b/Documentation/ABI/testing/sysfs-devices-power
@@ -83,8 +83,10 @@ Contact: Rafael J. Wysocki <rjw@rjwysocki.net>
Description:
The /sys/devices/.../wakeup_count attribute contains the number
of signaled wakeup events associated with the device. This
- attribute is read-only. If the device is not enabled to wake up
+ attribute is read-only. If the device is not capable to wake up
the system from sleep states, this attribute is not present.
+ If the device is not enabled to wake up the system from sleep
+ states, this attribute is empty.
What: /sys/devices/.../power/wakeup_active_count
Date: September 2010
@@ -93,8 +95,10 @@ Description:
The /sys/devices/.../wakeup_active_count attribute contains the
number of times the processing of wakeup events associated with
the device was completed (at the kernel level). This attribute
- is read-only. If the device is not enabled to wake up the
- system from sleep states, this attribute is not present.
+ is read-only. If the device is not capable to wake up the
+ system from sleep states, this attribute is not present. If
+ the device is not enabled to wake up the system from sleep
+ states, this attribute is empty.
What: /sys/devices/.../power/wakeup_abort_count
Date: February 2012
@@ -104,8 +108,9 @@ Description:
number of times the processing of a wakeup event associated with
the device might have aborted system transition into a sleep
state in progress. This attribute is read-only. If the device
- is not enabled to wake up the system from sleep states, this
- attribute is not present.
+ is not capable to wake up the system from sleep states, this
+ attribute is not present. If the device is not enabled to wake
+ up the system from sleep states, this attribute is empty.
What: /sys/devices/.../power/wakeup_expire_count
Date: February 2012
@@ -114,8 +119,10 @@ Description:
The /sys/devices/.../wakeup_expire_count attribute contains the
number of times a wakeup event associated with the device has
been reported with a timeout that expired. This attribute is
- read-only. If the device is not enabled to wake up the system
- from sleep states, this attribute is not present.
+ read-only. If the device is not capable to wake up the system
+ from sleep states, this attribute is not present. If the
+ device is not enabled to wake up the system from sleep states,
+ this attribute is empty.
What: /sys/devices/.../power/wakeup_active
Date: September 2010
@@ -124,8 +131,10 @@ Description:
The /sys/devices/.../wakeup_active attribute contains either 1,
or 0, depending on whether or not a wakeup event associated with
the device is being processed (1). This attribute is read-only.
- If the device is not enabled to wake up the system from sleep
- states, this attribute is not present.
+ If the device is not capable to wake up the system from sleep
+ states, this attribute is not present. If the device is not
+ enabled to wake up the system from sleep states, this attribute
+ is empty.
What: /sys/devices/.../power/wakeup_total_time_ms
Date: September 2010
@@ -134,8 +143,9 @@ Description:
The /sys/devices/.../wakeup_total_time_ms attribute contains
the total time of processing wakeup events associated with the
device, in milliseconds. This attribute is read-only. If the
- device is not enabled to wake up the system from sleep states,
- this attribute is not present.
+ device is not capable to wake up the system from sleep states,
+ this attribute is not present. If the device is not enabled to
+ wake up the system from sleep states, this attribute is empty.
What: /sys/devices/.../power/wakeup_max_time_ms
Date: September 2010
@@ -144,8 +154,10 @@ Description:
The /sys/devices/.../wakeup_max_time_ms attribute contains
the maximum time of processing a single wakeup event associated
with the device, in milliseconds. This attribute is read-only.
- If the device is not enabled to wake up the system from sleep
- states, this attribute is not present.
+ If the device is not capable to wake up the system from sleep
+ states, this attribute is not present. If the device is not
+ enabled to wake up the system from sleep states, this attribute
+ is empty.
What: /sys/devices/.../power/wakeup_last_time_ms
Date: September 2010
@@ -156,7 +168,8 @@ Description:
signaling the last wakeup event associated with the device, in
milliseconds. This attribute is read-only. If the device is
not enabled to wake up the system from sleep states, this
- attribute is not present.
+ attribute is not present. If the device is not enabled to wake
+ up the system from sleep states, this attribute is empty.
What: /sys/devices/.../power/wakeup_prevent_sleep_time_ms
Date: February 2012
@@ -165,9 +178,10 @@ Description:
The /sys/devices/.../wakeup_prevent_sleep_time_ms attribute
contains the total time the device has been preventing
opportunistic transitions to sleep states from occurring.
- This attribute is read-only. If the device is not enabled to
+ This attribute is read-only. If the device is not capable to
wake up the system from sleep states, this attribute is not
- present.
+ present. If the device is not enabled to wake up the system
+ from sleep states, this attribute is empty.
What: /sys/devices/.../power/autosuspend_delay_ms
Date: September 2010
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b6c67d592be5..03e50b4883a8 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2563,6 +2563,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
pcmv= [HW,PCMCIA] BadgePAD 4
+ pd_ignore_unused
+ [PM]
+ Keep all power-domains already enabled by bootloader on,
+ even if no driver has claimed them. This is useful
+ for debug and development, but should not be
+ needed on a platform with proper driver support.
+
pd. [PARIDE]
See Documentation/blockdev/paride.txt.