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| author |   Kai-Heng Feng <kai.heng.feng@canonical.com> | 2019-01-12 03:54:24 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-18 10:02:56 +0100 |
| commit | 7529b2574a7aaf902f1f8159fbc2a7caa74be559 (patch) | |
| tree | 2e8415fcc95412fe08bfdc80da1ceb28b137fcac /drivers/usb/core/usb.h | |
| parent | drivers: usb :fsl: Remove USB Errata checking code (diff) | |
| download | linux-dev-7529b2574a7aaf902f1f8159fbc2a7caa74be559.tar.xz linux-dev-7529b2574a7aaf902f1f8159fbc2a7caa74be559.zip | |
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.h | 10 |
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; } |