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net: sfp: add mandatory attach/detach methods for sfp buses

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Add attach and detach methods for SFP buses, which will allow us to get
rid of the netdev storage in sfp-bus.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Russell King
2019-05-28 10:57:34 +01:00
committed by David S. Miller
parent cdea04c246
commit 320587e6ea
3 changed files with 24 additions and 2 deletions
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16
drivers/net/phy/phylink.c
View File

@@ -1650,6 +1650,20 @@ int phylink_mii_ioctl(struct phylink *pl, struct ifreq *ifr, int cmd)
}
EXPORT_SYMBOL_GPL(phylink_mii_ioctl);
static void phylink_sfp_attach(void *upstream, struct sfp_bus *bus)
{
struct phylink *pl = upstream;
pl->netdev->sfp_bus = bus;
}
static void phylink_sfp_detach(void *upstream, struct sfp_bus *bus)
{
struct phylink *pl = upstream;
pl->netdev->sfp_bus = NULL;
}
static int phylink_sfp_module_insert(void *upstream,
const struct sfp_eeprom_id *id)
{
@@ -1768,6 +1782,8 @@ static void phylink_sfp_disconnect_phy(void *upstream)
}
static const struct sfp_upstream_ops sfp_phylink_ops = {
.attach = phylink_sfp_attach,
.detach = phylink_sfp_detach,
.module_insert = phylink_sfp_module_insert,
.link_up = phylink_sfp_link_up,
.link_down = phylink_sfp_link_down,

4
drivers/net/phy/sfp-bus.c
View File

@@ -351,7 +351,7 @@ static int sfp_register_bus(struct sfp_bus *bus)
bus->socket_ops->attach(bus->sfp);
if (bus->started)
bus->socket_ops->start(bus->sfp);
bus->netdev->sfp_bus = bus;
bus->upstream_ops->attach(bus->upstream, bus);
bus->registered = true;
return 0;
}
@@ -360,8 +360,8 @@ static void sfp_unregister_bus(struct sfp_bus *bus)
{
const struct sfp_upstream_ops *ops = bus->upstream_ops;
bus->netdev->sfp_bus = NULL;
if (bus->registered) {
bus->upstream_ops->detach(bus->upstream, bus);
if (bus->started)
bus->socket_ops->stop(bus->sfp);
bus->socket_ops->detach(bus->sfp);