From: "Marek Behún" <kabel@kernel.org>
To: Russell King - ARM Linux admin <linux@armlinux.org.uk>
Cc: netdev@vger.kernel.org, "Andrew Lunn" <andrew@lunn.ch>,
"Marek Behún" <kabel@kernel.org>
Subject: [PATCH russell-kings-net-queue v2 3/3] net: phylink: don't fail attaching phy on 1000base-x/2500base-x mode
Date: Tue, 20 Oct 2020 17:06:15 +0200 [thread overview]
Message-ID: <20201020150615.11969-4-kabel@kernel.org> (raw)
In-Reply-To: <20201020150615.11969-1-kabel@kernel.org>
Some SFPs may contain an internal PHY which may in some cases want to
connect with the host interface in 1000base-x/2500base-x mode.
Do not fail if such PHY is being attached in one of these PHY interface
modes.
Signed-off-by: Marek Behún <kabel@kernel.org>
---
drivers/net/phy/phylink.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 6680de39e338..37b40db04526 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -1017,9 +1017,7 @@ static int phylink_bringup_phy(struct phylink *pl, struct phy_device *phy,
static int phylink_attach_phy(struct phylink *pl, struct phy_device *phy,
phy_interface_t interface)
{
- if (WARN_ON(pl->cfg_link_an_mode == MLO_AN_FIXED ||
- (pl->cfg_link_an_mode == MLO_AN_INBAND &&
- phy_interface_mode_is_8023z(interface))))
+ if (WARN_ON(pl->cfg_link_an_mode == MLO_AN_FIXED))
return -EINVAL;
if (pl->phydev)
--
2.26.2
prev parent reply other threads:[~2020-10-20 15:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-20 15:06 [PATCH russell-kings-net-queue v2 0/3] Support for RollBall 10G copper SFP modules Marek Behún
2020-10-20 15:06 ` [PATCH russell-kings-net-queue v2 1/3] net: phy: mdio-i2c: support I2C MDIO protocol for RollBall " Marek Behún
2020-10-20 16:00 ` Andrew Lunn
2020-10-20 16:15 ` Marek Behún
2020-10-20 15:06 ` [PATCH russell-kings-net-queue v2 2/3] net: phy: sfp: add support for multigig RollBall modules Marek Behún
2020-10-20 15:51 ` Andrew Lunn
2020-10-20 16:14 ` Marek Behún
2020-10-20 15:06 ` Marek Behún [this message]
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