diff options
Diffstat (limited to 'target/linux/generic/backport-5.4/743-v5.5-net-sfp-add-some-quirks-for-GPON-modules.patch')
| -rw-r--r-- | target/linux/generic/backport-5.4/743-v5.5-net-sfp-add-some-quirks-for-GPON-modules.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.4/743-v5.5-net-sfp-add-some-quirks-for-GPON-modules.patch b/target/linux/generic/backport-5.4/743-v5.5-net-sfp-add-some-quirks-for-GPON-modules.patch new file mode 100644 index 0000000000..10c34881d8 --- /dev/null +++ b/target/linux/generic/backport-5.4/743-v5.5-net-sfp-add-some-quirks-for-GPON-modules.patch @@ -0,0 +1,52 @@ +From ecaa542cfed078dbc356dadff0bad4b6a8e704a0 Mon Sep 17 00:00:00 2001 +From: Russell King <rmk+kernel@armlinux.org.uk> +Date: Fri, 17 May 2019 10:14:45 +0100 +Subject: [PATCH 641/660] net: sfp: add some quirks for GPON modules + +Marc Micalizzi reports that Huawei MA5671A and Alcatel/Lucent G-010S-P +modules are capable of 2500base-X, but incorrectly report their +capabilities in the EEPROM. It seems rather common that GPON modules +mis-report. + +Let's fix these modules by adding some quirks. + +Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> +--- + drivers/net/phy/sfp-bus.c | 25 +++++++++++++++++++++++++ + 1 file changed, 25 insertions(+) + +--- a/drivers/net/phy/sfp-bus.c ++++ b/drivers/net/phy/sfp-bus.c +@@ -37,7 +37,32 @@ struct sfp_bus { + bool started; + }; + ++static void sfp_quirk_2500basex(const struct sfp_eeprom_id *id, ++ unsigned long *modes) ++{ ++ phylink_set(modes, 2500baseX_Full); ++} ++ + static const struct sfp_quirk sfp_quirks[] = { ++ { ++ // Alcatel Lucent G-010S-P can operate at 2500base-X, but ++ // incorrectly report 2500MBd NRZ in their EEPROM ++ .vendor = "ALCATELLUCENT", ++ .part = "G010SP", ++ .modes = sfp_quirk_2500basex, ++ }, { ++ // Alcatel Lucent G-010S-A can operate at 2500base-X, but ++ // report 3.2GBd NRZ in their EEPROM ++ .vendor = "ALCATELLUCENT", ++ .part = "3FE46541AA", ++ .modes = sfp_quirk_2500basex, ++ }, { ++ // Huawei MA5671A can operate at 2500base-X, but report 1.2GBd ++ // NRZ in their EEPROM ++ .vendor = "HUAWEI", ++ .part = "MA5671A", ++ .modes = sfp_quirk_2500basex, ++ }, + }; + + static size_t sfp_strlen(const char *str, size_t maxlen) |