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authorMarek Behún <kabel@kernel.org>2022-09-30 17:21:06 +0300
committerDavid S. Miller <davem@davemloft.net>2022-10-03 13:08:33 +0300
commit31eb8907aa5b9e9be1a63f2ac574973715172ab4 (patch)
tree4d33ec4bdd80d76ad6efd1408d015dc76017ec5f /drivers/net/phy/phylink.c
parentd6d29292640d3f778a28a74c53ae1733c023392f (diff)
downloadlinux-31eb8907aa5b9e9be1a63f2ac574973715172ab4.tar.xz
net: phylink: allow attaching phy for SFP modules on 802.3z mode
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> Reviewed-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Pali Rohár <pali@kernel.org> Cc: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/phylink.c')
-rw-r--r--drivers/net/phy/phylink.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 9ff8eb516666..75464df191ef 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -1669,7 +1669,7 @@ static int phylink_attach_phy(struct phylink *pl, struct phy_device *phy,
{
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))))
+ phy_interface_mode_is_8023z(interface) && !pl->sfp_bus)))
return -EINVAL;
if (pl->phydev)
@@ -2918,9 +2918,6 @@ static int phylink_sfp_config_phy(struct phylink *pl, u8 mode,
return ret;
}
- if (phy_interface_mode_is_8023z(iface) && pl->phydev)
- return -EINVAL;
-
pl->link_port = pl->sfp_port;
phylink_sfp_set_config(pl, mode, support, &config);