From: Jakub Kicinski Date: Fri, 23 Jan 2026 02:27:34 +0000 (-0800) Subject: Merge branch 'net-stmmac-dwmac-enforce-preamble-before-sfd-for-i-mx8mp' X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3b87882bb399bf6d1900a1c2cc8dde65d336680a;p=thirdparty%2Fkernel%2Flinux.git Merge branch 'net-stmmac-dwmac-enforce-preamble-before-sfd-for-i-mx8mp' Stefan Eichenberger says: ==================== net: stmmac: dwmac: enforce preamble before SFD for i.MX8MP This series adds a new phy_device flag PHY_F_KEEP_PREAMBLE_BEFORE_SFD that allows a MAC driver to request to keep the preamble bytes before the start frame delimiter (SFD) when receiving frames from the PHY. This flag is set in the stmmac driver for the i.MX8MP SoC due to errata (ERR050694), which causes it to drop frames without a preamble. The Micrel KSZ9131 PHY supports keeping the preamble before SFD by setting an undocumented flag, that was confirmed by NXP and Micrel. This new feature has been added to the Micrel PHY driver for the KSZ9131 PHY. ==================== Link: https://patch.msgid.link/20260120203905.23805-1-eichest@gmail.com Signed-off-by: Jakub Kicinski --- 3b87882bb399bf6d1900a1c2cc8dde65d336680a