MHI_ER_CTRL
MHI_ER_CTRL, psc->mhi_irq[MHI_ER_CTRL], 0, 32);
psc->mhi_irq[MHI_ER_CTRL] = 1;
msivec = psc->mhi_irq[MHI_ER_CTRL];
MHI_ER_CTRL, psc->mhi_irq[MHI_ER_CTRL], 0, 32);
psc->mhi_irq[MHI_ER_CTRL] = 1;
msivec = psc->mhi_irq[MHI_ER_CTRL];