ufshcd_vops_suspend
ret = ufshcd_vops_suspend(hba, pm_op, PRE_CHANGE);
ret = ufshcd_vops_suspend(hba, pm_op, POST_CHANGE);
ufshcd_vops_suspend(hba, pm_op, PRE_CHANGE);
ufshcd_vops_suspend(hba, pm_op, POST_CHANGE);