QUP_STATE
writel(QUP_RESET_STATE, qup->base + QUP_STATE);
writel(QUP_RESET_STATE, qup->base + QUP_STATE);
state = readl(qup->base + QUP_STATE);
u32 val = readl(qup->base + QUP_STATE);
writel(val, qup->base + QUP_STATE);
writel(state, qup->base + QUP_STATE);
u32 opstate = readl_relaxed(controller->base + QUP_STATE);
cur_state = readl_relaxed(controller->base + QUP_STATE);
writel_relaxed(QUP_STATE_CLEAR, controller->base + QUP_STATE);
writel_relaxed(QUP_STATE_CLEAR, controller->base + QUP_STATE);
writel_relaxed(cur_state, controller->base + QUP_STATE);