shpc_writel
shpc_writel(ctrl, SLOT_REG(hp_slot), slot_reg);
shpc_writel(ctrl, SERR_INTR_ENABLE, tempdword);
shpc_writel(ctrl, SLOT_REG(i), slot_reg);
shpc_writel(ctrl, SERR_INTR_ENABLE, serr_int);
shpc_writel(ctrl, SERR_INTR_ENABLE, serr_int);
shpc_writel(ctrl, SERR_INTR_ENABLE, serr_int);
shpc_writel(ctrl, SLOT_REG(hp_slot), slot_reg);
shpc_writel(ctrl, SERR_INTR_ENABLE, serr_int);
shpc_writel(ctrl, SERR_INTR_ENABLE, tempdword);
shpc_writel(ctrl, SLOT_REG(hp_slot), slot_reg);