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From:   Sandeep Maheswaram <quic_c_sanm@quicinc.com>
To:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Kishon Vijay Abraham I <kishon@ti.com>,
        "Vinod Koul" <vkoul@kernel.org>,
        Wesley Cheng <wcheng@codeaurora.org>,
        Stephen Boyd <swboyd@chromium.org>,
        Doug Anderson <dianders@chromium.org>,
        "Matthias Kaehlcke" <mka@chromium.org>
CC:     <linux-arm-msm@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-phy@lists.infradead.org>, <quic_pkondeti@quicinc.com>,
        <quic_ppratap@quicinc.com>,
        Sandeep Maheswaram <quic_c_sanm@quicinc.com>
Subject: [PATCH] phy: qcom-snps: Correct the FSEL_MASK
Date:   Wed, 20 Oct 2021 12:06:25 +0530
Message-ID: <1634711785-25351-1-git-send-email-quic_c_sanm@quicinc.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

The FSEL_MASK which selects the refclock is defined incorrectly.
It should be [4:6] not [5:7]. Due to this incorrect definition, the BIT(7)
in USB2_PHY_USB_PHY_HS_PHY_CTRL_COMMON1 is reset which keeps PHY analog
blocks ON during suspend.
Fix this issue by correctly defining the FSEL_MASK.

Signed-off-by: Sandeep Maheswaram <quic_c_sanm@quicinc.com>
---
 drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c b/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c
index ae4bac0..28459a1 100644
--- a/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c
+++ b/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <linux/clk.h>
@@ -33,7 +34,7 @@
 
 #define USB2_PHY_USB_PHY_HS_PHY_CTRL_COMMON0	(0x54)
 #define RETENABLEN				BIT(3)
-#define FSEL_MASK				GENMASK(7, 5)
+#define FSEL_MASK				GENMASK(6, 4)
 #define FSEL_DEFAULT				(0x3 << 4)
 
 #define USB2_PHY_USB_PHY_HS_PHY_CTRL_COMMON1	(0x58)
-- 
2.7.4