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USB: make usb_mark_last_busy use pm_runtime_mark_last_busy

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Since the runtime-PM core already defines a .last_busy field in
device.power, this patch uses it to replace the .last_busy field
defined in usb_device and uses pm_runtime_mark_last_busy to implement
usb_mark_last_busy.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ming Lei
2010-11-15 15:57:30 -05:00
committed by Greg Kroah-Hartman
parent 045cac6b3b
commit 6ddf27cdbc
6 changed files with 13 additions and 19 deletions
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5
include/linux/usb.h
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@@ -20,6 +20,7 @@
#include <linux/completion.h> /* for struct completion */
#include <linux/sched.h> /* for current && schedule_timeout */
#include <linux/mutex.h> /* for struct mutex */
#include <linux/pm_runtime.h> /* for runtime PM */
struct usb_device;
struct usb_driver;
@@ -407,7 +408,6 @@ struct usb_tt;
* @quirks: quirks of the whole device
* @urbnum: number of URBs submitted for the whole device
* @active_duration: total time device is not suspended
* @last_busy: time of last use
* @autosuspend_delay: in jiffies
* @connect_time: time device was first connected
* @do_remote_wakeup: remote wakeup should be enabled
@@ -481,7 +481,6 @@ struct usb_device {
unsigned long active_duration;
#ifdef CONFIG_PM
unsigned long last_busy;
int autosuspend_delay;
unsigned long connect_time;
@@ -527,7 +526,7 @@ extern void usb_autopm_put_interface_no_suspend(struct usb_interface *intf);
static inline void usb_mark_last_busy(struct usb_device *udev)
{
udev->last_busy = jiffies;
pm_runtime_mark_last_busy(&udev->dev);
}
#else