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