https://bugzilla.suse.com/show_bug.cgi?id=1215335 Bug ID: 1215335 Summary: Enable CONFIG_REGULATOR_MT63XX=y by default on aarch64 (arm64) for MediaTek boards Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: aarch64 OS: openSUSE Tumbleweed Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-bugs@opensuse.org Reporter: macpaul.lin@mediatek.com QA Contact: qa-bugs@suse.de CC: 95kreaninw95@gmail.com, dmueller@suse.com, johndoe1991239@gmail.com, m4ng4n@gmx.de, mgorman@suse.com, mhocko@suse.com, qa-bugs@suse.de, tiwai@suse.com, vbabka@suse.com Depends on: 1206937 Target Milestone: --- Found By: --- Blocker: --- Reference: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2035591 Enabling CONFIG_REGULATOR_MT63XX=y (built-in) for mt8195-demo (and other MediaTek boards). mt8195-demo: Fix regulator kernel setting are missing: causes peripheral probe failure for linux (include installer) 1. u-boot: [2023-04-26 14:34:28.294] run distro_bootcmd 2. disable silent mode in grub menu [2023-04-26 14:34:42.196] GNU GRUB version 2.06 3. boot to Linux [2023-04-26 14:35:09.115] [ 0.000000] Linux version 6.2.0-18-generic (buildd@bos02-arm64-039) (aarch64-linux-gnu-gcc-12 (Ubuntu 12.2.0-17ubuntu1) 12.2.0, GNU ld (GNU Binutils for Ubuntu) 2.40) #18-Ubuntu SMP PREEMPT_DYNAMIC Sun Mar 19 19:49:50 UTC 2023 (Ubuntu 6.2.0-18.18-generic 6.2.6) [2023-04-26 14:35:09.115] [ 0.000000] Machine model: MediaTek MT8195 demo board 4. lots of error and driver probing defered. USB, Ethernet, MMC and multimedia interfaces. Ex: [2023-04-26 14:35:22.624] [ 13.808645] platform 1c014000.merge0: deferred probe pending 5. No ethernet and U-disk could be found [2023-04-26 14:36:15.548] Unable to find a medium containing a live file system [2023-04-26 14:36:15.548] Attempt interactive netboot from a URL? [2023-04-26 14:36:15.548] yes no (default yes): no [2023-04-26 14:36:21.432] [2023-04-26 14:36:21.432] [2023-04-26 14:36:21.432] BusyBox v1.35.0 (Ubuntu 1:1.35.0-4ubuntu1) built-in shell (ash) [2023-04-26 14:36:21.432] Enter 'help' for a list of built-in commands. [2023-04-26 14:36:21.432] [2023-04-26 14:36:21.432] (initramfs) Unable to find a medium containing a live file system 6. solution for regulator part: Compare to generic kernel config for arm64 file: arch/arm64/configs/defconfig The following settings should be enabled "built-in" in generic kernel settings. CONFIG_REGULATOR_MT6357=y CONFIG_REGULATOR_MT6358=y CONFIG_REGULATOR_MT6359=y CONFIG_REGULATOR_MT6360=y CONFIG_REGULATOR_MT6397=y 7. effected kernel (5.19~latest) -- You are receiving this mail because: You are on the CC list for the bug.