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Date: Thu, 14 Jan 2021 05:43:29 +0100 From: Marek Behún <kabel@...nel.org> To: netdev@...r.kernel.org Cc: Russell King <rmk+kernel@...linux.org.uk>, Andrew Lunn <andrew@...n.ch>, Jakub Kicinski <kuba@...nel.org>, davem@...emloft.net, pali@...nel.org, Marek Behún <kabel@...nel.org> Subject: [PATCH net-next v5 3/5] 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@...nel.org> Reviewed-by: Russell King <rmk+kernel@...linux.org.uk> Reviewed-by: Pali Rohár <pali@...nel.org> Cc: Andrew Lunn <andrew@...n.ch> --- drivers/net/phy/phylink.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 84f6e197f965..f97d041f82f4 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -1018,7 +1018,7 @@ 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) @@ -2069,9 +2069,6 @@ static int phylink_sfp_config(struct phylink *pl, u8 mode, phylink_an_mode_str(mode), phy_modes(config.interface), __ETHTOOL_LINK_MODE_MASK_NBITS, support); - if (phy_interface_mode_is_8023z(iface) && pl->phydev) - return -EINVAL; - changed = !linkmode_equal(pl->supported, support); if (changed) { linkmode_copy(pl->supported, support); -- 2.26.2
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