When this setting is changed it may require the parent port to keep power on, or allow it to turn power off. In any event we want pm_runtime to re-evaluate.
Signed-off-by: Dan Williams <[email protected]> --- drivers/usb/core/sysfs.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 52a97adf02a0..743248da1ec3 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -303,9 +303,12 @@ static ssize_t persist_store(struct device *dev, struct device_attribute *attr, if (sscanf(buf, "%d", &value) != 1) return -EINVAL; + pm_runtime_get_sync(dev); usb_lock_device(udev); udev->persist_enabled = !!value; usb_unlock_device(udev); + pm_runtime_put_sync(dev); + return count; } static DEVICE_ATTR_RW(persist); -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
