From: Anand Moon <linux.amoon@gmail.com>
To: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org
Cc: Kishon Vijay Abraham I <kishon@ti.com>,
Kukjin Kim <kgene@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
Anand Moon <linux.amoon@gmail.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Subject: [RFC/RFT 1/5] phy: exynos5-usbdrd: read from correct offset of xhci linksystem
Date: Tue, 23 Jul 2019 00:29:34 +0530 [thread overview]
Message-ID: <20190722185938.9043-2-linux.amoon@gmail.com> (raw)
In-Reply-To: <20190722185938.9043-1-linux.amoon@gmail.com>
Read from linksystem offset to update the xhci version.
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
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
next prev parent reply other threads:[~2019-07-22 18:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-22 18:59 [RFC/RFT 0/5] Exynos USB 3.0 PHY tune setting Anand Moon
2019-07-22 18:59 ` Anand Moon [this message]
2019-07-24 10:59 ` [RFC/RFT 1/5] phy: exynos5-usbdrd: read from correct offset of xhci linksystem Krzysztof Kozlowski
2019-07-22 18:59 ` [RFC/RFT 2/5] phy: exynos5-usbdrd: add missing tuning of the phyutmi signal Anand Moon
2019-07-24 11:07 ` Krzysztof Kozlowski
2019-07-22 18:59 ` [RFC/RFT 3/5] phy: exynos5-usbdrd: UTMI tune signal Anand Moon
2019-07-24 11:10 ` Krzysztof Kozlowski
2019-07-22 18:59 ` [RFC/RFT 4/5] phy: exynos5-usbdrd: PIPE3 " Anand Moon
2019-07-24 11:13 ` Krzysztof Kozlowski
2019-07-22 18:59 ` [RFC/RFT 5/5] phy: exynos5-usbdrd: drop duplicate setting " Anand Moon
2019-07-24 11:14 ` Krzysztof Kozlowski
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