linux-kernel - RE: [PATCH v2 0/2] firmware: arm

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Message-ID:
 <PAXPR04MB845964BA93007D247E9F765888F5A@PAXPR04MB8459.eurprd04.prod.outlook.com>
Date: Mon, 20 Oct 2025 10:41:43 +0000
From: Peng Fan <peng.fan@....com>
To: Sudeep Holla <sudeep.holla@....com>, Cristian Marussi
	<cristian.marussi@....com>, Shawn Guo <shawnguo@...nel.org>, Sascha Hauer
	<s.hauer@...gutronix.de>, Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>
CC: Dan Carpenter <dan.carpenter@...aro.org>, Frank Li <frank.li@....com>,
	"arm-scmi@...r.kernel.org" <arm-scmi@...r.kernel.org>, "imx@...ts.linux.dev"
	<imx@...ts.linux.dev>, "linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2 0/2] firmware: arm_scmi/imx: Support dump syslog

Hi Sudeep, Cristian and all.

> Subject: [PATCH v2 0/2] firmware: arm_scmi/imx: Support dump
> syslog

There a minor build warning that I missed to remove an unused
variable in patch 2. I am thinking to post v3 with that warning fixed
in the end of this week or early next week.

Thanks,
Peng.

> 
> This is the patch 5 and 6 from patchset [1] with switching to using raw
> dump, per check with Sudeep and NXP i.MX SM firmware owner
> 
> System Manager firmware provides API to dump system log
> information.
> 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@...PR04MB
> 8459.eurprd04.prod.outlook.com/T/#m6ed303ac9c584c6e2ab39f893
> 59f3131b
> dfcc9e5
> 
> Signed-off-by: Peng Fan <peng.fan@....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@....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                     | 38 +++++++++-
>  include/linux/scmi_imx_protocol.h                  |  2 +
>  3 files changed, 122 insertions(+), 1 deletion(-)
> ---
> base-commit: 2b763d4652393c90eaa771a5164502ec9dd965ae
> change-id: 20251011-sm-syslog-v2-1-51c0da2fe1d0
> 
> Best regards,
> --
> Peng Fan <peng.fan@....com>