linux-kernel - [PATCH 1/3] net: microchip_t1s: refactor reset functionality

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Message-ID: <20231127104045.96722-2-ramon.nordin.rodriguez@ferroamp.se>
Date:   Mon, 27 Nov 2023 11:40:43 +0100
From:   Ramón N.Rodriguez 
        <ramon.nordin.rodriguez@...roamp.se>
To:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Ramón N.Rodriguez 
        <ramon.nordin.rodriguez@...roamp.se>
Subject: [PATCH 1/3] net: microchip_t1s: refactor reset functionality

From: Ramón Nordin Rodriguez <ramon.nordin.rodriguez@...roamp.se>

This commit moves the reset functionality for lan867x from the revb1
init function to a separate function. The intention with this minor
refactor is to prepare for adding support for lan867x rev C1.

Signed-off-by: Ramón Nordin Rodriguez <ramon.nordin.rodriguez@...roamp.se>
---
 drivers/net/phy/microchip_t1s.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/microchip_t1s.c b/drivers/net/phy/microchip_t1s.c
index 534ca7d1b061..ace2bf35a18a 100644
--- a/drivers/net/phy/microchip_t1s.c
+++ b/drivers/net/phy/microchip_t1s.c
@@ -213,7 +213,7 @@ static int lan865x_revb0_config_init(struct phy_device *phydev)
 	return lan865x_setup_cfgparam(phydev);
 }
 
-static int lan867x_revb1_config_init(struct phy_device *phydev)
+static int lan867x_wait_for_reset_complete(struct phy_device *phydev)
 {
 	int err;
 
@@ -234,6 +234,16 @@ static int lan867x_revb1_config_init(struct phy_device *phydev)
 			return -ENODEV;
 		}
 	}
+	return 0;
+}
+
+static int lan867x_revb1_config_init(struct phy_device *phydev)
+{
+	int err;
+
+	err = lan867x_wait_for_reset_complete(phydev);
+	if (err)
+		return err;
 
 	/* Reference to AN1699
 	 * https://ww1.microchip.com/downloads/aemDocuments/documents/AIS/ProductDocuments/SupportingCollateral/AN-LAN8670-1-2-config-60001699.pdf
-- 
2.40.1