linux-kernel - [PATCH net-next v1 1/3] net: phy: mscc: Applying LCPLL reset to VSC8584

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Message-ID: <20210318123851.10324-2-bjarni.jonasson@microchip.com>
Date:   Thu, 18 Mar 2021 13:38:49 +0100
From:   Bjarni Jonasson <bjarni.jonasson@...rochip.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Antoine Tenart <atenart@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        "Vladimir Oltean" <vladimir.oltean@....com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Quentin Schulz <quentin.schulz@...tlin.com>,
        Michael Walle <michael@...le.cc>
CC:     Bjarni Jonasson <bjarni.jonasson@...rochip.com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        UNGLinuxDriver <UNGLinuxDriver@...rochip.com>
Subject: [PATCH net-next v1 1/3] net: phy: mscc: Applying LCPLL reset to VSC8584

Introduced LCPLL reset in
commit d15e08d9fb82 ("net: phy: mscc: adding LCPLL reset to VSC8514").
Now applying this reset to the VSC8584 phy familiy.

Fixes: a5afc1678044a ("net: phy: mscc: add support for VSC8584 PHYY.")
Signed-off-by: Bjarni Jonasson <bjarni.jonasson@...rochip.com>
---
 drivers/net/phy/mscc/mscc_main.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_main.c
index 3a7705228ed5..2c2a3424dcc1 100644
--- a/drivers/net/phy/mscc/mscc_main.c
+++ b/drivers/net/phy/mscc/mscc_main.c
@@ -1362,6 +1362,12 @@ static int vsc8584_config_pre_init(struct phy_device *phydev)
 	u16 crc, reg;
 	int ret;
 
+	ret = vsc8584_pll5g_reset(phydev);
+	if (ret < 0) {
+		dev_err(dev, "failed LCPLL reset, ret: %d\n", ret);
+		return ret;
+	}
+
 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
 
 	/* all writes below are broadcasted to all PHYs in the same package */
-- 
2.17.1