linux-kernel - Re: [PATCH v3 0/6] remoteproc: imx_rproc: Use device managed API to clean up the driver

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Message-ID: <aN05NsINB25lW_Lg@p14s>
Date: Wed, 1 Oct 2025 08:22:46 -0600
From: Mathieu Poirier <mathieu.poirier@...aro.org>
To: Peng Fan <peng.fan@....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>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Hiago De Franco <hiago.franco@...adex.com>,
	Frank Li <Frank.Li@....com>, Daniel Baluta <daniel.baluta@....com>,
	linux-remoteproc@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/6] remoteproc: imx_rproc: Use device managed API to
 clean up the driver

On Fri, Sep 26, 2025 at 08:33:14PM +0800, Peng Fan wrote:
> Tested on
> i.MX8MP-EVK, i.MX8MM-EVK, i.MX93-11x11-EVK, i.MX8QXP-MEK, and i.MX8ULP-EVK.
> 
> Retested all the patches for V3 on above platforms. And pass build
> with patch incremental applied with ARM64 defconfig. pass build for
> imx_v6_v7_defconfig with all patches applied.
> 
> This is the 2nd series to cleanup the driver.
> 
> Patch 1:
> Fix the runtime usage. This is not critical bug fix, so it could be
> defered to 6.18.
> 
> Patch 2-6:
> Use devres managed API to cleanup the error handling path and remove path.
> 
> Thanks to Ulf for the suggestion on the runtime PM fix in patch 1.
> Thanks to Daniel and Frank for the internal reviewing.
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
> Changes in v3:
> - Follow Ulf's suggestion to address the runtime PM in patch 1, and add
>   Ulf's suggested-by tag. I dropped Frank and Daniel's tag in patch 1.
> - With the changes in patch 1, the remove() is kept, then there are very
>   minor conflicts when picking remaining patches in V2, so I still keep
>   R-b tag from Frank and Daniel for patch 2-6.
> - Link to v2: https://lore.kernel.org/r/20250923-imx_rproc_c2-v2-0-d31c437507e5@nxp.com
> 
> Changes in v2:
> - Address a build warning in patch 4/6
> - Add R-b from Frank and Daniel
> - Link to v1: https://lore.kernel.org/r/20250917-imx_rproc_c2-v1-0-00ce23dc9c6e@nxp.com
> 
> ---
> Peng Fan (6):
>       remoteproc: imx_rproc: Fix runtime PM cleanup and improve remove path
>       remoteproc: imx_rproc: Use devm_add_action_or_reset() for workqueue cleanup
>       remoteproc: imx_rproc: Use devm_add_action_or_reset() for mailbox cleanup
>       remoteproc: imx_rproc: Use devm_clk_get_enabled() and simplify cleanup
>       remoteproc: imx_rproc: Use devm_add_action_or_reset() for scu cleanup
>       remoteproc: imx_rproc: Use devm_rproc_add() helper
> 
>  drivers/remoteproc/imx_rproc.c | 100 +++++++++++++++++++----------------------
>  1 file changed, 47 insertions(+), 53 deletions(-)

I will apply this set when 6.18-rc1 comes out.

Mathieu


> ---
> base-commit: 8e2755d7779a95dd61d8997ebce33ff8b1efd3fb
> change-id: 20250926-imx_rproc_v3-a50abed3288a
> 
> Best regards,
> -- 
> Peng Fan <peng.fan@....com>
>