AST_VHUB_DEV_EN_CTRL
writel(0, d->regs + AST_VHUB_DEV_EN_CTRL);
reg = readl(d->regs + AST_VHUB_DEV_EN_CTRL);
writel(reg, d->regs + AST_VHUB_DEV_EN_CTRL);
writel(reg, d->regs + AST_VHUB_DEV_EN_CTRL);