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Message-ID: <20240821055906.27717-2-Divya.Koppera@microchip.com> Date: Wed, 21 Aug 2024 11:29:05 +0530 From: Divya Koppera <Divya.Koppera@...rochip.com> To: <arun.ramadoss@...rochip.com>, <UNGLinuxDriver@...rochip.com>, <andrew@...n.ch>, <hkallweit1@...il.com>, <linux@...linux.org.uk>, <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>, <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: [PATCH net-next v3 1/2] net: phy: Add phy library support to check supported list when autoneg is enabled From: Divya Koppera <divya.koppera@...rochip.com> Adds support in phy library to accept autoneg configuration only when feature is enabled in supported list. Signed-off-by: Divya Koppera <divya.koppera@...rochip.com> --- drivers/net/phy/phy.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 785182fa5fe0..cba3af926429 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -1089,7 +1089,10 @@ int phy_ethtool_ksettings_set(struct phy_device *phydev, if (autoneg != AUTONEG_ENABLE && autoneg != AUTONEG_DISABLE) return -EINVAL; - if (autoneg == AUTONEG_ENABLE && linkmode_empty(advertising)) + if (autoneg == AUTONEG_ENABLE && + (linkmode_empty(advertising) || + !linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, + phydev->supported))) return -EINVAL; if (autoneg == AUTONEG_DISABLE && -- 2.17.1
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