linux-kernel - [PATCH net-next 2/3] net: phy: micrel: add reset-after-power-on flag to ksz9x31 phys

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Date:   Tue, 14 Dec 2021 13:16:37 +0100
From:   Philippe Schenker <philippe.schenker@...adex.com>
To:     netdev@...r.kernel.org, Joakim Zhang <qiangqing.zhang@....com>,
        "David S . Miller" <davem@...emloft.net>,
        Russell King <linux@...linux.org.uk>,
        Andrew Lunn <andrew@...n.ch>
Cc:     Heiner Kallweit <hkallweit1@...il.com>,
        Francesco Dolcini <francesco.dolcini@...adex.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Fabio Estevam <festevam@...il.com>,
        Fugang Duan <fugang.duan@....com>,
        Philippe Schenker <philippe.schenker@...adex.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH net-next 2/3] net: phy: micrel: add reset-after-power-on flag to ksz9x31 phys

KSZ9031 and KSZ9131 do need a reset after power-on, set the
PHY_RST_AFTER_POWER_ON flag to enable the phylib to do it in case the
reset signal is controlled by software.

Signed-off-by: Philippe Schenker <philippe.schenker@...adex.com>
---

 drivers/net/phy/micrel.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 44a24b99c894..85ee3a61017b 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -1777,6 +1777,7 @@ static struct phy_driver ksphy_driver[] = {
 	.phy_id_mask	= MICREL_PHY_ID_MASK,
 	.name		= "Micrel KSZ9031 Gigabit PHY",
 	.driver_data	= &ksz9021_type,
+	.flags		= PHY_RST_AFTER_POWER_ON,
 	.probe		= kszphy_probe,
 	.get_features	= ksz9031_get_features,
 	.config_init	= ksz9031_config_init,
@@ -1822,6 +1823,7 @@ static struct phy_driver ksphy_driver[] = {
 	.name		= "Microchip KSZ9131 Gigabit PHY",
 	/* PHY_GBIT_FEATURES */
 	.driver_data	= &ksz9021_type,
+	.flags		= PHY_RST_AFTER_POWER_ON,
 	.probe		= kszphy_probe,
 	.config_init	= ksz9131_config_init,
 	.config_intr	= kszphy_config_intr,
-- 
2.34.1