Commit 6e12f35c authored by Bjarni Jonasson's avatar Bjarni Jonasson Committed by Jakub Kicinski
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sfp: add support for 100 base-x SFPs 



Add support for 100Base-FX, 100Base-LX, 100Base-PX and 100Base-BX10 modules
This is needed for Sparx-5 switch.

Signed-off-by: default avatarBjarni Jonasson <bjarni.jonasson@microchip.com>
Reviewed-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent b1ae3587

drivers/net/phy/sfp-bus.c

+9 −0
Original line number Diff line number Diff line
@@ -265,6 +265,12 @@ void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id, 
	    br_min <= 1300 && br_max >= 1200)

		phylink_set(modes, 1000baseX_Full);



	/* 100Base-FX, 100Base-LX, 100Base-PX, 100Base-BX10 */

	if (id->base.e100_base_fx || id->base.e100_base_lx)

		phylink_set(modes, 100baseFX_Full);

	if ((id->base.e_base_px || id->base.e_base_bx10) && br_nom == 100)

		phylink_set(modes, 100baseFX_Full);



	/* For active or passive cables, select the link modes

	 * based on the bit rates and the cable compliance bytes.

	 */
@@ -389,6 +395,9 @@ phy_interface_t sfp_select_interface(struct sfp_bus *bus, 
	if (phylink_test(link_modes, 1000baseX_Full))

		return PHY_INTERFACE_MODE_1000BASEX;



	if (phylink_test(link_modes, 100baseFX_Full))

		return PHY_INTERFACE_MODE_100BASEX;



	dev_warn(bus->sfp_dev, "Unable to ascertain link mode\n");



	return PHY_INTERFACE_MODE_NA;