From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anand Moon Subject: [RFC/RFT 1/5] phy: exynos5-usbdrd: read from correct offset of xhci linksystem Date: Tue, 23 Jul 2019 00:29:34 +0530 Message-ID: <20190722185938.9043-2-linux.amoon@gmail.com> References: <20190722185938.9043-1-linux.amoon@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190722185938.9043-1-linux.amoon@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Cc: Kishon Vijay Abraham I , Kukjin Kim , Krzysztof Kozlowski , Anand Moon , Bartlomiej Zolnierkiewicz List-Id: linux-samsung-soc@vger.kernel.org Read from linksystem offset to update the xhci version. Signed-off-by: Anand Moon --- 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