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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/sysfs.c | |
| parent | drivers: usb :fsl: Remove USB Errata checking code (diff) | |
| download | wireguard-linux-7529b2574a7aaf902f1f8159fbc2a7caa74be559.tar.xz wireguard-linux-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/sysfs.c')
| -rw-r--r-- | drivers/usb/core/sysfs.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index ea18284dfa9a..7e88fdfe3cf5 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -528,7 +528,10 @@ static ssize_t usb2_hardware_lpm_store(struct device *dev, if (!ret) { udev->usb2_hw_lpm_allowed = value; - ret = usb_set_usb2_hardware_lpm(udev, value); + if (value) + ret = usb_enable_usb2_hardware_lpm(udev); + else + ret = usb_disable_usb2_hardware_lpm(udev); } usb_unlock_device(udev); |