kernel: copy kernel 4.19 code to 5.4

No changes were done to the patches while coping them. Currently they do
not apply on top of kernel 5.4.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

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)