EM_CTL_TM
if ((em_ctl & EM_CTL_TM) || (em_ctl & EM_CTL_RST))
if (em_ctl & EM_CTL_TM) {
writel(em_ctl | EM_CTL_TM, mmio + HOST_EM_CTL);
if (em_ctl & EM_CTL_TM) {
writel(em_ctl | EM_CTL_TM, mmio + HOST_EM_CTL);