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0e5350db43
This backports the following upstream Linux patches net: sfp: add mode quirk for GPON module Ubiquiti U-Fiber Instant net: sfp: relax bitrate-derived mode check net: sfp: cope with SFPs that set both LOS normal and LOS inverted for 5.4 for mvebu platform. This fixes GPON modules: Ubiquiti U-Fiber Instant SFP GPON VSOL V2801F CarlitoxxPro CPGOS03-0490 v2.0 Signed-off-by: Marek Behún <marek.behun@nic.cz>
53 lines
1.8 KiB
Diff
53 lines
1.8 KiB
Diff
From 29cd215aaf6c2050c43e4de03aee436c16f90b96 Mon Sep 17 00:00:00 2001
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From: Russell King <rmk+kernel@armlinux.org.uk>
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Date: Thu, 21 Nov 2019 17:27:14 +0000
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Subject: [PATCH 643/660] net: sfp: remove incomplete 100BASE-FX and 100BASE-LX
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support
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The 100BASE-FX and 100BASE-LX support assumes a PHY is present; this
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is probably an incorrect assumption. In any case, sfp_parse_support()
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will fail such a module. Let's stop pretending we support these
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modules.
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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/sfp-bus.c | 4 +---
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drivers/net/phy/sfp.c | 13 +------------
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2 files changed, 2 insertions(+), 15 deletions(-)
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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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@@ -342,9 +342,7 @@ phy_interface_t sfp_select_interface(str
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if (phylink_test(link_modes, 2500baseX_Full))
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return PHY_INTERFACE_MODE_2500BASEX;
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- if (id->base.e1000_base_t ||
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- id->base.e100_base_lx ||
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- id->base.e100_base_fx)
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+ if (id->base.e1000_base_t)
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return PHY_INTERFACE_MODE_SGMII;
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if (phylink_test(link_modes, 1000baseX_Full))
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--- a/drivers/net/phy/sfp.c
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+++ b/drivers/net/phy/sfp.c
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@@ -1513,18 +1513,7 @@ static void sfp_sm_fault(struct sfp *sfp
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static void sfp_sm_probe_for_phy(struct sfp *sfp)
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{
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- /* Setting the serdes link mode is guesswork: there's no
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- * field in the EEPROM which indicates what mode should
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- * be used.
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- *
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- * If it's a gigabit-only fiber module, it probably does
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- * not have a PHY, so switch to 802.3z negotiation mode.
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- * Otherwise, switch to SGMII mode (which is required to
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- * support non-gigabit speeds) and probe for a PHY.
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- */
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- if (sfp->id.base.e1000_base_t ||
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- sfp->id.base.e100_base_lx ||
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- sfp->id.base.e100_base_fx)
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+ if (sfp->id.base.e1000_base_t)
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sfp_sm_probe_phy(sfp);
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}
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