An earlier patch removed the CONFIG_USB_SUSPEND symbol but forgot to
update the Documentation files. This patch (as1676) rectifies that
omission.
Signed-off-by: Alan Stern <st...@rowland.harvard.edu>
---
Documentation/ABI/testing/sysfs-bus-usb | 6 +++---
Documentation/usb/power-management.txt | 10 ++++++----
2 files changed, 9 insertions(+), 7 deletions(-)
Index: usb-3.9/Documentation/ABI/testing/sysfs-bus-usb
===================================================================
--- usb-3.9.orig/Documentation/ABI/testing/sysfs-bus-usb
+++ usb-3.9/Documentation/ABI/testing/sysfs-bus-usb
@@ -32,7 +32,7 @@ Date: January 2008
KernelVersion: 2.6.25
Contact: Sarah Sharp <sarah.a.sh...@intel.com>
Description:
- If CONFIG_PM and CONFIG_USB_SUSPEND are enabled, then this file
+ If CONFIG_PM_RUNTIME is enabled then this file
is present. When read, it returns the total time (in msec)
that the USB device has been connected to the machine. This
file is read-only.
@@ -45,7 +45,7 @@ Date: January 2008
KernelVersion: 2.6.25
Contact: Sarah Sharp <sarah.a.sh...@intel.com>
Description:
- If CONFIG_PM and CONFIG_USB_SUSPEND are enabled, then this file
+ If CONFIG_PM_RUNTIME is enabled then this file
is present. When read, it returns the total time (in msec)
that the USB device has been active, i.e. not in a suspended
state. This file is read-only.
@@ -187,7 +187,7 @@ What: /sys/bus/usb/devices/.../power/us
Date: September 2011
Contact: Andiry Xu <andiry...@amd.com>
Description:
- If CONFIG_USB_SUSPEND is set and a USB 2.0 lpm-capable device
+ If CONFIG_PM_RUNTIME is set and a USB 2.0 lpm-capable device
is plugged in to a xHCI host which support link PM, it will
perform a LPM test; if the test is passed and host supports
USB2 hardware LPM (xHCI 1.0 feature), USB2 hardware LPM will
Index: usb-3.9/Documentation/usb/power-management.txt
===================================================================
--- usb-3.9.orig/Documentation/usb/power-management.txt
+++ usb-3.9/Documentation/usb/power-management.txt
@@ -33,6 +33,10 @@ built with CONFIG_USB_SUSPEND enabled (w
CONFIG_PM_RUNTIME). System PM support is present only if the kernel
was built with CONFIG_SUSPEND or CONFIG_HIBERNATION enabled.
+(Starting with the 3.10 kernel release, dynamic PM support for USB is
+present whenever the kernel was built with CONFIG_PM_RUNTIME enabled.
+The CONFIG_USB_SUSPEND option has been eliminated.)
+
What is Remote Wakeup?
----------------------
@@ -206,10 +210,8 @@ initialized to 5. (The idle-delay value
will not be affected.)
Setting the initial default idle-delay to -1 will prevent any
-autosuspend of any USB device. This is a simple alternative to
-disabling CONFIG_USB_SUSPEND and rebuilding the kernel, and it has the
-added benefit of allowing you to enable autosuspend for selected
-devices.
+autosuspend of any USB device. This has the benefit of allowing you
+then to enable autosuspend for selected devices.
Warnings
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