linux-kernel - [PATCH v2 3/7] net: phy: at803x: AR8085 & AR9331: add loopback support

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Date:   Thu, 15 Apr 2021 15:07:34 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Fugang Duan <fugang.duan@....com>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-imx@....com,
        Fabio Estevam <festevam@...il.com>,
        David Jander <david@...tonic.nl>,
        Russell King <linux@...linux.org.uk>,
        Philippe Schenker <philippe.schenker@...adex.com>
Subject: [PATCH v2 3/7] net: phy: at803x: AR8085 & AR9331: add loopback support

PHY loopback is needed for the ethernet controller self test support.
This PHY was tested with the generic net sefltest in combination with
FEC ethernet controller and AR9331 switch.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 drivers/net/phy/at803x.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index d7799beb811c..f74f427a8da5 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -1128,6 +1128,7 @@ static struct phy_driver at803x_driver[] = {
 	.get_wol		= at803x_get_wol,
 	.suspend		= at803x_suspend,
 	.resume			= at803x_resume,
+	.set_loopback		= genphy_loopback,
 	/* PHY_GBIT_FEATURES */
 	.read_status		= at803x_read_status,
 	.config_intr		= at803x_config_intr,
@@ -1207,6 +1208,7 @@ static struct phy_driver at803x_driver[] = {
 	.read_status		= at803x_read_status,
 	.soft_reset		= genphy_soft_reset,
 	.config_aneg		= at803x_config_aneg,
+	.set_loopback		= genphy_loopback,
 } };
 
 module_phy_driver(at803x_driver);
-- 
2.29.2