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So add the interface for Linux to retrieve the information. In patch 1, I drop the two structures compared to patch 5 in [1]: struct scmi_imx_misc_sys_sleep_rec struct scmi_imx_misc_syslog No other changes in this patch. In patch 2, I switched to use debugfs to do raw dump the syslog, compared with patch 6 in [1]. [1] https://lore.kernel.org/arm-scmi/PAXPR04MB845937237E3C1AF5A2ABA8FA880CA@PAXPR04MB8459.eurprd04.prod.outlook.com/T/#m6ed303ac9c584c6e2ab39f89359f3131b dfcc9e5 Signed-off-by: Peng Fan --- Changes in v3: - Rebased to next-20251028 - Drop unused variable to avoid build warning reported by kernel test robot - Link to v2: https://lore.kernel.org/arm-scmi/20251011-sm-syslog-v2-1-v2-0-f43a3f6b32e4@nxp.com/ Changes in v2: - Rebased to next-20251010 - Patch 2: Remove the IS_ERR check for debugfs_create_dir per Dan Carpenter Change 'return 0' to 'return devm_add_action_or_reset' Drop the size check Include 'linux/sizes.h' to avoid build break - Link to v1: https://lore.kernel.org/r/20250910-sm-syslog-v1-0-5b36f8f21da6@nxp.com --- Peng Fan (2): firmware: arm_scmi: imx: Support getting syslog of MISC protocol firmware: imx: sm-misc: Dump syslog info .../firmware/arm_scmi/vendors/imx/imx-sm-misc.c | 83 ++++++++++++++++++++++ drivers/firmware/imx/sm-misc.c | 37 +++++++++- include/linux/scmi_imx_protocol.h | 2 + 3 files changed, 121 insertions(+), 1 deletion(-) --- base-commit: f7d2388eeec24966fc4d5cf32d706f0514f29ac5 change-id: 20251029-sm-syslog-v3-0143f85b0ce6 Best regards, -- Peng Fan