diff options
Diffstat (limited to 'target/linux/generic/pending-5.4/746-net-phylink-re-split-__phylink_connect_phy.patch')
| -rw-r--r-- | target/linux/generic/pending-5.4/746-net-phylink-re-split-__phylink_connect_phy.patch | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.4/746-net-phylink-re-split-__phylink_connect_phy.patch b/target/linux/generic/pending-5.4/746-net-phylink-re-split-__phylink_connect_phy.patch new file mode 100644 index 0000000000..c74a56c575 --- /dev/null +++ b/target/linux/generic/pending-5.4/746-net-phylink-re-split-__phylink_connect_phy.patch @@ -0,0 +1,93 @@ +From 0db7fba746b5608c30d4e2ba1c99a2a309e2d288 Mon Sep 17 00:00:00 2001 +From: Russell King <rmk+kernel@armlinux.org.uk> +Date: Fri, 8 Nov 2019 15:22:48 +0000 +Subject: [PATCH 649/660] net: phylink: re-split __phylink_connect_phy() + +In order to support Clause 45 PHYs on SFP+ modules, which have an +indeterminant phy interface mode, we need to be able to call +phylink_bringup_phy() with a different interface mode to that used when +binding the PHY. Reduce __phylink_connect_phy() to an attach operation, +and move the call to phylink_bringup_phy() to its call sites. + +Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> +--- + drivers/net/phy/phylink.c | 39 ++++++++++++++++++++++++--------------- + 1 file changed, 24 insertions(+), 15 deletions(-) + +--- a/drivers/net/phy/phylink.c ++++ b/drivers/net/phy/phylink.c +@@ -728,11 +728,9 @@ static int phylink_bringup_phy(struct ph + return 0; + } + +-static int __phylink_connect_phy(struct phylink *pl, struct phy_device *phy, +- phy_interface_t interface) ++static int phylink_attach_phy(struct phylink *pl, struct phy_device *phy, ++ phy_interface_t interface) + { +- int ret; +- + if (WARN_ON(pl->link_an_mode == MLO_AN_FIXED || + (pl->link_an_mode == MLO_AN_INBAND && + phy_interface_mode_is_8023z(interface)))) +@@ -741,15 +739,7 @@ static int __phylink_connect_phy(struct + if (pl->phydev) + return -EBUSY; + +- ret = phy_attach_direct(pl->netdev, phy, 0, interface); +- if (ret) +- return ret; +- +- ret = phylink_bringup_phy(pl, phy); +- if (ret) +- phy_detach(phy); +- +- return ret; ++ return phy_attach_direct(pl->netdev, phy, 0, interface); + } + + /** +@@ -769,13 +759,23 @@ static int __phylink_connect_phy(struct + */ + int phylink_connect_phy(struct phylink *pl, struct phy_device *phy) + { ++ int ret; ++ + /* Use PHY device/driver interface */ + if (pl->link_interface == PHY_INTERFACE_MODE_NA) { + pl->link_interface = phy->interface; + pl->link_config.interface = pl->link_interface; + } + +- return __phylink_connect_phy(pl, phy, pl->link_interface); ++ ret = phylink_attach_phy(pl, phy, pl->link_interface); ++ if (ret < 0) ++ return ret; ++ ++ ret = phylink_bringup_phy(pl, phy); ++ if (ret) ++ phy_detach(phy); ++ ++ return ret; + } + EXPORT_SYMBOL_GPL(phylink_connect_phy); + +@@ -1759,8 +1759,17 @@ static void phylink_sfp_link_up(void *up + static int phylink_sfp_connect_phy(void *upstream, struct phy_device *phy) + { + struct phylink *pl = upstream; ++ int ret; + +- return __phylink_connect_phy(upstream, phy, pl->link_config.interface); ++ ret = phylink_attach_phy(pl, phy, pl->link_config.interface); ++ if (ret < 0) ++ return ret; ++ ++ ret = phylink_bringup_phy(pl, phy); ++ if (ret) ++ phy_detach(phy); ++ ++ return ret; + } + + static void phylink_sfp_disconnect_phy(void *upstream) |