The following 2 commits from LTS22 kernel are also needed in LTS21 kernel: commit 238420a24d6bbac4b1c805b9e2657f02a72ab344 Author: Vincent Whitchurch <vincent.whitchurch@axis.com> Date: Fri Jul 21 15:39:20 2023 +0200 net: stmmac: Apply redundant write work around on 4.xx too [ Upstream commit 284779dbf4e98753458708783af8c35630674a21 ] and commit 50396e19d9d891d7ef17bc83fafc0ca7c93a8d63 Author: Heiner Kallweit <hkallweit1@gmail.com> Date: Wed Aug 24 22:34:49 2022 +0200 net: stmmac: work around sporadic tx issue on link-up [ Upstream commit a3a57bf07de23fe1ff779e0fdf710aa581c3ff73 ] Could we please have these backported in Standard Product?