linux-kernel - Re: [PATCH v4 00/12] remoteproc: imx_dsp_rproc: Refactor to use new ops and remove switch-case logic

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Message-ID: <aR3u0F7FTZUgxCQ6@p14s>
Date: Wed, 19 Nov 2025 09:22:40 -0700
From: Mathieu Poirier <mathieu.poirier@...aro.org>
To: "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc: Bjorn Andersson <andersson@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Philipp Zabel <p.zabel@...gutronix.de>, Frank Li <Frank.Li@....com>,
	Daniel Baluta <daniel.baluta@....com>,
	Shengjiu Wang <shengjiu.wang@....com>,
	Iuliana Prodan <iuliana.prodan@....com>,
	linux-remoteproc@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Peng Fan <peng.fan@....com>
Subject: Re: [PATCH v4 00/12] remoteproc: imx_dsp_rproc: Refactor to use new
 ops and remove switch-case logic

On Wed, Nov 19, 2025 at 12:21:45PM +0800, Peng Fan (OSS) wrote:
> This patchset aligns imx_dsp_rproc with the cleanup and modernization
> previously applied to imx_rproc.c. The goal is to simplify the driver by
> transitioning to the new ops-based method, eliminating the legacy
> switch-case logic for a cleaner and more maintainable design.
> 
> Patches 1–5: General cleanup, including code simplification and adoption
>              of the devres API.
> Patches 6–10: Transition to the new ops-based approach, removing the
>               switch-case structure.
> Patch 11: Remove the obsolete enum imx_rproc_method.
> Patch 12: Cleanup goto based logic.
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
> Changes in v4:
> - Collected R-b and T-b
> - Address the build warning in patch 1
> - Add a new patch 12 to cleanup the goto based logic
> - Link to V3: https://lore.kernel.org/imx/20251111-imx-dsp-2025-11-11-v3-0-d05dcba737fa@nxp.com/
> 
> Changes in v3:
> - Collected R-b
> - Simplify commit log for patch 4 per Frank.
> - Link to V2: https://lore.kernel.org/all/20251106-imx-dsp-2025-11-06-v1-0-46028bc3459a@nxp.com/
> 
> Changes in v2:
> - Collected R-b
> - Patch 3: Update commit per Frank/Daniel
> - patch 8: Use priv->dsp_dcfg->dcfg to avoid adding "const struct imx_rproc_dsp_dcfg *dsp_dcfg"
> - Link to v1: https://lore.kernel.org/linux-remoteproc/CAEnQRZAOTFw=sBppHTYQAdfDBuNqkqk6gVO4FyP0EBsva3Oi+Q@mail.gmail.com/T/#m27c93af9fb1e7fdeb0766bdbffbaae39d79eefab
> 
> ---
> Peng Fan (12):
>       remoteproc: imx_dsp_rproc: simplify power domain attach and error handling
>       remoteproc: imx_dsp_rproc: Use devm_rproc_add() helper
>       remoteproc: imx_dsp_rproc: Use devm_pm_runtime_enable() helper
>       remoteproc: imx_dsp_rproc: Use dev_err_probe() for firmware and mode errors
>       remoteproc: imx_dsp_rproc: Drop extra space
>       remoteproc: imx_dsp_rproc: Use start/stop/detect_mode ops from imx_rproc_dcfg
>       remoteproc: imx_dsp_rproc: Move imx_dsp_rproc_dcfg closer to imx_dsp_rproc_of_match
>       remoteproc: imx_dsp_rproc: Simplify IMX_RPROC_MMIO switch case
>       remoteproc: imx_dsp_rproc: Simplify IMX_RPROC_SCU_API switch case
>       remoteproc: imx_dsp_rproc: Simplify IMX_RPROC_RESET_CONTROLLER switch case
>       remoteproc: imx_rproc: Remove enum imx_rproc_method
>       remoteproc: imx_dsp_rproc: simplify start/stop error handling
> 
>  drivers/remoteproc/imx_dsp_rproc.c | 353 +++++++++++++++++++------------------
>  drivers/remoteproc/imx_rproc.h     |  14 --

I have applied this set.

Thanks,
Mathieu

>  2 files changed, 186 insertions(+), 181 deletions(-)
> ---
> base-commit: 187dac290bfd0741b9d7d5490af825c33fd9baa4
> change-id: 20251119-imx-dsp-2025-11-19-fa99d7c84c91
> 
> Best regards,
> -- 
> Peng Fan <peng.fan@....com>
>