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...conversion. Commit20736013e9("kernel: backport nvmem v6.6 fixes and v6.7 changes") has caused dthe device to no longer correctly read MAC address from its onboard 24c64 EEPROM, because "at24" driver doesn't support legacy nvmem-cell bindings [1] - and there was an explicit config option added to mandate that behaviour in the following patch: 820-v6.7-0002-nvmem-add-explicit-config-option-to-read-old-syntax-.patch But some of the devices, MR33 and MR74 included, weren't converted with that as well. Convert the definition to use proper fixed-layout binding to fix it. The offending change was introduced between v23.05.0 and v23.05.1, and found by bisection: git bisect start # status: waiting for both good and bad commits # good: [bd4f415efa] OpenWrt v23.05.0: adjust config defaults git bisect goodbd4f415efa# status: waiting for bad commit, 1 good commit known # bad: [a58a86693f] OpenWrt v23.05.1: adjust config defaults git bisect bada58a86693f# good: [3d0a78add2] qualcommax: only build initramfs if CONFIG_TARGET_ROOTFS_INITRAMFS is set git bisect good3d0a78add2# bad: [21e5db97c4] build: add CycloneDX SBOM JSON support git bisect bad21e5db97c4# good: [89184b15cf] mediatek: add build for MT7981 RFB git bisect good89184b15cf# bad: [41f27bbb6d] bcm53xx: add the latest fix version of brcm_nvram git bisect bad41f27bbb6d# good: [b649b0bf71] kernel: nvmem: fix "fixed-layout" & support "mac-base" git bisect goodb649b0bf71# bad: [20736013e9] kernel: backport nvmem v6.6 fixes and v6.7 changes git bisect bad20736013e9# good: [066971615f] kernel: backport v6.6 nvmem changes git bisect good066971615f# first bad commit: [20736013e9] kernel: backport nvmem v6.6 fixes and v6.7 changes Link: [1] https://github.com/openwrt/openwrt/issues/15393#issuecomment-2212300849 Fixes:20736013e9("kernel: backport nvmem v6.6 fixes and v6.7 changes") Fixes: https://github.com/openwrt/openwrt/issues/15393 Signed-off-by: Lech Perczak <lech.perczak@gmail.com> (cherry picked from commit ccbffad1ad0ce444bc2497098a1d3d3a086a5f44) [replace mac-address-increment with #nvmem-cell-cells] Signed-off-by: Lech Perczak <lech.perczak@gmail.com> Link: https://github.com/openwrt/openwrt/pull/16624 Signed-off-by: Robert Marko <robimarko@gmail.com>