QUP_OPERATIONAL
opflags = readl(qup->base + QUP_OPERATIONAL);
writel(QUP_OUT_SVC_FLAG, qup->base + QUP_OPERATIONAL);
writel(QUP_IN_SVC_FLAG, qup->base + QUP_OPERATIONAL);
writel_relaxed(0, base + QUP_OPERATIONAL);
u32 opflag = readl_relaxed(controller->base + QUP_OPERATIONAL);
controller->base + QUP_OPERATIONAL);
*opflags = readl_relaxed(controller->base + QUP_OPERATIONAL);
controller->base + QUP_OPERATIONAL);
controller->base + QUP_OPERATIONAL);
opflags = readl_relaxed(controller->base + QUP_OPERATIONAL);
writel_relaxed(opflags, controller->base + QUP_OPERATIONAL);