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95 lines
3.1 KiB
Diff
95 lines
3.1 KiB
Diff
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From aeabfaa63285470e81fa341e14f92d68880aa160 Mon Sep 17 00:00:00 2001
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From: Russell King <rmk+kernel@armlinux.org.uk>
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Date: Tue, 28 May 2019 10:57:34 +0100
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Subject: [PATCH 609/660] net: sfp: add mandatory attach/detach methods for sfp
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buses
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Add attach and detach methods for SFP buses, which will allow us to get
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rid of the netdev storage in sfp-bus.
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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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 | 16 ++++++++++++++++
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drivers/net/phy/sfp-bus.c | 4 ++--
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include/linux/sfp.h | 6 ++++++
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3 files changed, 24 insertions(+), 2 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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@@ -1615,6 +1615,20 @@ int phylink_mii_ioctl(struct phylink *pl
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}
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EXPORT_SYMBOL_GPL(phylink_mii_ioctl);
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+static void phylink_sfp_attach(void *upstream, struct sfp_bus *bus)
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+{
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+ struct phylink *pl = upstream;
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+
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+ pl->netdev->sfp_bus = bus;
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+}
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+
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+static void phylink_sfp_detach(void *upstream, struct sfp_bus *bus)
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+{
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+ struct phylink *pl = upstream;
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+
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+ pl->netdev->sfp_bus = NULL;
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+}
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+
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static int phylink_sfp_module_insert(void *upstream,
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const struct sfp_eeprom_id *id)
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{
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@@ -1733,6 +1747,8 @@ static void phylink_sfp_disconnect_phy(v
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}
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static const struct sfp_upstream_ops sfp_phylink_ops = {
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+ .attach = phylink_sfp_attach,
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+ .detach = phylink_sfp_detach,
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.module_insert = phylink_sfp_module_insert,
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.link_up = phylink_sfp_link_up,
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.link_down = phylink_sfp_link_down,
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--- a/drivers/net/phy/sfp-bus.c
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+++ b/drivers/net/phy/sfp-bus.c
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@@ -350,7 +350,7 @@ static int sfp_register_bus(struct sfp_b
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bus->socket_ops->attach(bus->sfp);
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if (bus->started)
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bus->socket_ops->start(bus->sfp);
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- bus->netdev->sfp_bus = bus;
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+ bus->upstream_ops->attach(bus->upstream, bus);
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bus->registered = true;
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return 0;
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}
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@@ -359,8 +359,8 @@ static void sfp_unregister_bus(struct sf
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{
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const struct sfp_upstream_ops *ops = bus->upstream_ops;
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- bus->netdev->sfp_bus = NULL;
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if (bus->registered) {
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+ bus->upstream_ops->detach(bus->upstream, bus);
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if (bus->started)
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bus->socket_ops->stop(bus->sfp);
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bus->socket_ops->detach(bus->sfp);
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--- a/include/linux/sfp.h
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+++ b/include/linux/sfp.h
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@@ -469,6 +469,10 @@ struct sfp_bus;
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/**
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* struct sfp_upstream_ops - upstream operations structure
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+ * @attach: called when the sfp socket driver is bound to the upstream
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+ * (mandatory).
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+ * @detach: called when the sfp socket driver is unbound from the upstream
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+ * (mandatory).
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* @module_insert: called after a module has been detected to determine
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* whether the module is supported for the upstream device.
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* @module_remove: called after the module has been removed.
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@@ -481,6 +485,8 @@ struct sfp_bus;
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* been removed.
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*/
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struct sfp_upstream_ops {
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+ void (*attach)(void *priv, struct sfp_bus *bus);
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+ void (*detach)(void *priv, struct sfp_bus *bus);
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int (*module_insert)(void *priv, const struct sfp_eeprom_id *id);
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void (*module_remove)(void *priv);
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void (*link_down)(void *priv);
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