Read from linksystem offset to update the xhci version. Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx> --- drivers/phy/samsung/phy-exynos5-usbdrd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/phy/samsung/phy-exynos5-usbdrd.c b/drivers/phy/samsung/phy-exynos5-usbdrd.c index 646259bee909..3c14bf7718c1 100644 --- a/drivers/phy/samsung/phy-exynos5-usbdrd.c +++ b/drivers/phy/samsung/phy-exynos5-usbdrd.c @@ -397,7 +397,8 @@ static int exynos5_usbdrd_phy_init(struct phy *phy) * Setting the Frame length Adj value[6:1] to default 0x20 * See xHCI 1.0 spec, 5.2.4 */ - reg = LINKSYSTEM_XHCI_VERSION_CONTROL | + reg = readl(phy_drd->reg_phy + EXYNOS5_DRD_LINKSYSTEM); + reg |= LINKSYSTEM_XHCI_VERSION_CONTROL | LINKSYSTEM_FLADJ(0x20); writel(reg, phy_drd->reg_phy + EXYNOS5_DRD_LINKSYSTEM); -- 2.22.0