int mxr_power_get(struct mxr_device *mdev)
{
/* If runtime PM is not implemented, mxr_runtime_resume
* function is directly called.
*/
#ifdef CONFIG_PM_RUNTIME
int ret = pm_runtime_get_sync(mdev->dev);
/* returning 1 means that power is already enabled,
* so zero success be returned */
if (IS_ERR_VALUE(ret))
return ret;
return 0;
#else
mxr_runtime_resume(mdev->dev);
return 0;
#endif
}
int mxr_power_get(struct mxr_device *mdev)
{
int ret = 0;
++mdev->n_power;
mxr_dbg(mdev, "%s(%d)\n", __func__, mdev->n_power);
/* If runtime PM is not implemented, mxr_runtime_resume
* function is directly called.
*/
if (mdev->n_power == 1) {
#ifdef CONFIG_PM_RUNTIME
ret = pm_runtime_get_sync(mdev->dev);
#else
mxr_runtime_resume(mdev->dev);
#endif
}
return ret;
}