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authorKai-Heng Feng <kai.heng.feng@canonical.com>2019-01-11 22:54:24 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-18 12:02:56 +0300
commit7529b2574a7aaf902f1f8159fbc2a7caa74be559 (patch)
tree2e8415fcc95412fe08bfdc80da1ceb28b137fcac /drivers/usb/core/usb.h
parent5f620bb6439ea8f354cfe4c7d47887df9d3acaf0 (diff)
downloadlinux-7529b2574a7aaf902f1f8159fbc2a7caa74be559.tar.xz
USB: Add new USB LPM helpers
Use new helpers to make LPM enabling/disabling more clear. This is a preparation to subsequent patch. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Cc: stable <stable@vger.kernel.org> # after much soaking Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/usb.h')
-rw-r--r--drivers/usb/core/usb.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 546a2219454b..d95a5358f73d 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -92,7 +92,8 @@ extern int usb_remote_wakeup(struct usb_device *dev);
extern int usb_runtime_suspend(struct device *dev);
extern int usb_runtime_resume(struct device *dev);
extern int usb_runtime_idle(struct device *dev);
-extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable);
+extern int usb_enable_usb2_hardware_lpm(struct usb_device *udev);
+extern int usb_disable_usb2_hardware_lpm(struct usb_device *udev);
#else
@@ -112,7 +113,12 @@ static inline int usb_autoresume_device(struct usb_device *udev)
return 0;
}
-static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)
+static inline int usb_enable_usb2_hardware_lpm(struct usb_device *udev)
+{
+ return 0;
+}
+
+static inline int usb_disable_usb2_hardware_lpm(struct usb_device *udev)
{
return 0;
}