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net: sfp: derive interface mode from ethtool link modes

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We don't need the EEPROM ID to derive the phy interface mode as we can
derive it merely from the ethtool link modes.  Remove the EEPROM ID
argument to sfp_select_interface().

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Russell King 2019-12-11 10:55:59 +00:00 committed by David S. Miller
parent fa2de660a8
commit a4516c7053
4 changed files with 6 additions and 11 deletions
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2
drivers/net/phy/marvell10g.c
View file

@ -214,7 +214,7 @@ static int mv3310_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
phy_interface_t iface;
sfp_parse_support(phydev->sfp_bus, id, support);
iface = sfp_select_interface(phydev->sfp_bus, id, support);
iface = sfp_select_interface(phydev->sfp_bus, support);
if (iface != PHY_INTERFACE_MODE_10GKR) {
dev_err(&phydev->mdio.dev, "incompatible SFP module inserted\n");

2
drivers/net/phy/phylink.c
View file

@ -1714,7 +1714,7 @@ static int phylink_sfp_module_insert(void *upstream,
linkmode_copy(support1, support);
iface = sfp_select_interface(pl->sfp_bus, id, config.advertising);
iface = sfp_select_interface(pl->sfp_bus, config.advertising);
if (iface == PHY_INTERFACE_MODE_NA) {
phylink_err(pl,
"selection of interface failed, advertisement %*pb\n",

11
drivers/net/phy/sfp-bus.c
View file

@ -320,16 +320,12 @@ EXPORT_SYMBOL_GPL(sfp_parse_support);
/**
* sfp_select_interface() - Select appropriate phy_interface_t mode
* @bus: a pointer to the &struct sfp_bus structure for the sfp module
* @id: a pointer to the module's &struct sfp_eeprom_id
* @link_modes: ethtool link modes mask
*
* Derive the phy_interface_t mode for the information found in the
* module's identifying EEPROM and the link modes mask. There is no
* standard or defined way to derive this information, so we decide
* based upon the link mode mask.
* Derive the phy_interface_t mode for the SFP module from the link
* modes mask.
*/
phy_interface_t sfp_select_interface(struct sfp_bus *bus,
const struct sfp_eeprom_id *id,
unsigned long *link_modes)
{
if (phylink_test(link_modes, 10000baseCR_Full) ||
@ -342,7 +338,8 @@ phy_interface_t sfp_select_interface(struct sfp_bus *bus,
if (phylink_test(link_modes, 2500baseX_Full))
return PHY_INTERFACE_MODE_2500BASEX;
if (id->base.e1000_base_t)
if (phylink_test(link_modes, 1000baseT_Half) ||
phylink_test(link_modes, 1000baseT_Full))
return PHY_INTERFACE_MODE_SGMII;
if (phylink_test(link_modes, 1000baseX_Full))

2
include/linux/sfp.h
View file

@ -504,7 +504,6 @@ int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
unsigned long *support);
phy_interface_t sfp_select_interface(struct sfp_bus *bus,
const struct sfp_eeprom_id *id,
unsigned long *link_modes);
int sfp_get_module_info(struct sfp_bus *bus, struct ethtool_modinfo *modinfo);
@ -532,7 +531,6 @@ static inline void sfp_parse_support(struct sfp_bus *bus,
}
static inline phy_interface_t sfp_select_interface(struct sfp_bus *bus,
const struct sfp_eeprom_id *id,
unsigned long *link_modes)
{
return PHY_INTERFACE_MODE_NA;