EXYNOS5_DRD_LINKSYSTEM
reg = readl(phy_drd->reg_phy + EXYNOS5_DRD_LINKSYSTEM);
writel(reg, phy_drd->reg_phy + EXYNOS5_DRD_LINKSYSTEM);
reg = readl(phy_drd->reg_phy + EXYNOS5_DRD_LINKSYSTEM);
writel(reg, phy_drd->reg_phy + EXYNOS5_DRD_LINKSYSTEM);
writel(reg, phy_drd->reg_phy + EXYNOS5_DRD_LINKSYSTEM);