FAILED: patch "[PATCH] net: dsa: mv88e6xxx: enable SerDes PCS register dump via" failed to apply to 5.10-stable tree

The patch below does not apply to the 5.10-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 953b0dcbe2e3f7bee98cc3bca2ec82c8298e9c16 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Beh=C3=BAn?= <[email protected]>
Date: Thu, 1 Jul 2021 00:22:31 +0200
Subject: [PATCH] net: dsa: mv88e6xxx: enable SerDes PCS register dump via
ethtool -d on Topaz
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Commit bf3504cea7d7e ("net: dsa: mv88e6xxx: Add 6390 family PCS registers to ethtool -d") added support for dumping SerDes PCS registers via ethtool -d for Peridot.

The same implementation is also valid for Topaz, but was not enabled at the time.

index 1e95a0facbd4..beb41572d04e 100644
@@ -3626,6 +3626,8 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
 	.serdes_get_strings = mv88e6390_serdes_get_strings,
 	.serdes_get_stats = mv88e6390_serdes_get_stats,
+	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
+	.serdes_get_regs = mv88e6390_serdes_get_regs,
 	.phylink_validate = mv88e6341_phylink_validate,
 };
 

@@ -4435,6 +4437,8 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
 	.serdes_get_strings = mv88e6390_serdes_get_strings,
 	.serdes_get_stats = mv88e6390_serdes_get_stats,
+	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
+	.serdes_get_regs = mv88e6390_serdes_get_regs,
 	.phylink_validate = mv88e6341_phylink_validate,
 };