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| author | Alan Stern <stern@rowland.harvard.edu> | 2010-04-02 13:22:09 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-20 13:21:37 -0700 |
| commit | 9e18c821659d836bd63f88df3c19729327728496 (patch) | |
| tree | 4148e58d0e03aecfe0dbeedd175bc960006570a9 /drivers/usb/core/driver.c | |
| parent | 7aba8d014341341590ecb64050b7a026642a62eb (diff) | |
| download | kernel_samsung_smdk4412-9e18c821659d836bd63f88df3c19729327728496.zip kernel_samsung_smdk4412-9e18c821659d836bd63f88df3c19729327728496.tar.gz kernel_samsung_smdk4412-9e18c821659d836bd63f88df3c19729327728496.tar.bz2 | |
USB: use PM core routines to enable/disable autosuspend
This patch (as1366) replaces the private routines
usb_enable_autosuspend() and usb_disable_autosuspend() with calls to
the standard pm_runtime_allow() and pm_runtime_forbid() functions in
the runtime PM framework. They do the same thing.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/core/driver.c')
| -rw-r--r-- | drivers/usb/core/driver.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 271e857..2071467 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -1356,13 +1356,9 @@ int usb_resume(struct device *dev, pm_message_t msg) * * The caller must hold @udev's device lock. */ -int usb_enable_autosuspend(struct usb_device *udev) +void usb_enable_autosuspend(struct usb_device *udev) { - if (udev->autosuspend_disabled) { - udev->autosuspend_disabled = 0; - usb_autosuspend_device(udev); - } - return 0; + pm_runtime_allow(&udev->dev); } EXPORT_SYMBOL_GPL(usb_enable_autosuspend); @@ -1375,16 +1371,9 @@ EXPORT_SYMBOL_GPL(usb_enable_autosuspend); * * The caller must hold @udev's device lock. */ -int usb_disable_autosuspend(struct usb_device *udev) +void usb_disable_autosuspend(struct usb_device *udev) { - int rc = 0; - - if (!udev->autosuspend_disabled) { - rc = usb_autoresume_device(udev); - if (rc == 0) - udev->autosuspend_disabled = 1; - } - return rc; + pm_runtime_forbid(&udev->dev); } EXPORT_SYMBOL_GPL(usb_disable_autosuspend); @@ -1528,7 +1517,7 @@ void usb_autopm_put_interface_async(struct usb_interface *intf) atomic_dec(&intf->pm_usage_cnt); pm_runtime_put_noidle(&intf->dev); - if (!udev->autosuspend_disabled) { + if (udev->dev.power.runtime_auto) { /* Optimization: Don't schedule a delayed autosuspend if * the timer is already running and the expiration time * wouldn't change. |