41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
From 6e12f35cef6b8a458d7ecf507ae330e0bffaad8c Mon Sep 17 00:00:00 2001
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From: Bjarni Jonasson <bjarni.jonasson@microchip.com>
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Date: Wed, 13 Jan 2021 12:56:26 +0100
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Subject: [PATCH] sfp: add support for 100 base-x SFPs
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Add support for 100Base-FX, 100Base-LX, 100Base-PX and 100Base-BX10 modules
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This is needed for Sparx-5 switch.
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Signed-off-by: Bjarni Jonasson <bjarni.jonasson@microchip.com>
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Reviewed-by: Russell King <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/phy/sfp-bus.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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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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@@ -280,6 +280,12 @@ void sfp_parse_support(struct sfp_bus *b
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br_min <= 1300 && br_max >= 1200)
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phylink_set(modes, 1000baseX_Full);
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+ /* 100Base-FX, 100Base-LX, 100Base-PX, 100Base-BX10 */
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+ if (id->base.e100_base_fx || id->base.e100_base_lx)
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+ phylink_set(modes, 100baseFX_Full);
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+ if ((id->base.e_base_px || id->base.e_base_bx10) && br_nom == 100)
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+ phylink_set(modes, 100baseFX_Full);
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+
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/* For active or passive cables, select the link modes
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* based on the bit rates and the cable compliance bytes.
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*/
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@@ -399,6 +405,9 @@ phy_interface_t sfp_select_interface(str
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if (phylink_test(link_modes, 1000baseX_Full))
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return PHY_INTERFACE_MODE_1000BASEX;
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+ if (phylink_test(link_modes, 100baseFX_Full))
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+ return PHY_INTERFACE_MODE_100BASEX;
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+
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dev_warn(bus->sfp_dev, "Unable to ascertain link mode\n");
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return PHY_INTERFACE_MODE_NA;
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