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Message-ID: <CANLsYkyBfhmxX5kXUcADsEuNUrOJXP6H27jDrCqsO845fp0Yog@mail.gmail.com>
Date: Fri, 2 May 2025 09:16:56 -0600
From: Mathieu Poirier <mathieu.poirier@...aro.org>
To: Beleswar Padhi <b-padhi@...com>
Cc: andersson@...nel.org, afd@...com, hnagalla@...com, u-kumar1@...com, 
	jm@...com, jan.kiszka@...mens.com, christophe.jaillet@...adoo.fr, 
	jkangas@...hat.com, eballetbo@...hat.com, linux-remoteproc@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v11 00/35] Refactor TI K3 R5, DSP and M4 Remoteproc Drivers

I have started reviewing this patchset but due to its size, it will
take me several days or weeks, depending on workload and other patches
on this list.  I will advise when I am done.

Thanks,
Mathieu

On Fri, 25 Apr 2025 at 04:41, Beleswar Padhi <b-padhi@...com> wrote:
>
> This series refactors a lot of functions & callbacks from
> ti_k3_dsp_remoteproc.c, ti_k3_r5_remoteproc.c and ti_k3_m4_remoteproc.c
> drivers. This is a consolidated and final series as part of the
> refactoring of K3 remoteproc drivers. Below is the breakdown:
> 1. PATCHES #1-#3 fixes important bugs in R5 and DSP drivers before refactoring
> them into a common driver.
> 2. PATCHES #4-#10 does the pre-cleanup and aligns R5, DSP, M4 data structures.
> 3. PATCHES #11-#35 does the actual refactoring R5, DSP and M4 drivers into
> ti_k3_common.c driver.
>
> NOTE:
> This series supersedes below series:
> https://lore.kernel.org/all/20250219091042.263819-1-b-padhi@ti.com/
> https://lore.kernel.org/all/20250417182001.3903905-1-b-padhi@ti.com/
> https://lore.kernel.org/all/20250108063727.1416324-1-b-padhi@ti.com/
>
> Testing Done:
> 1. Tested boot of R5Fs, C66x DSPs, C71x DSPs across Jacinto J7* devices in
> remoteproc mode and IPC-Only mode.
> 2. Tested boot of M4F core _only_ in _AM62xx SK_ board in Remoteproc mode and
> IPC-Only mode.
> 3. Tested Core stop and detach operations from sysfs for R5Fs, C66x DSPs, C71x DSPs
> 4. Tested device removal paths by executing 'modprobe -r ti_k3_dsp_remoteproc'
> and 'modprobe -r ti_k3_r5_remoteproc'.
> 5. Tested usecases where firmware not available at device probe time, but
> later in sysfs, able to load firmware into a remotecore and start it. [R5Fs]
> 6. Tested that each patch in this series generates no new warnings/errors.
> 7. Tested IPC on AM64x EVM Device. [Thanks to Judith].
>
> v11: Changelog:
> 1. New patches: [v11 15/35] and [v11 18/35].
> Broken down rproc_reset() and rproc_release() refactoring patches into more
> atomic changes.
> 2. Carried T/B on all patches from Judith.
> 3. Carried A/B on [PATCH v11 13/35] by Andrew.
>
> Link to v10:
> https://lore.kernel.org/all/20250417182001.3903905-1-b-padhi@ti.com/
>
> v10: Changelog:
> 1. Re-ordered Bug Fixes to the start of the series, before starting pre-cleanup
> and finally the actual refactor. [Andrew]
> 2. Broken down commits into more atomic changes for ease of review. [Andrew].
> 3. Updated commit messages to have uniform flow throughout the series.
> 4. Carried R/B tags in applicable patches.
> 5. Further patch specific changelog is attached with patches.
>
> Link to v9:
> https://lore.kernel.org/all/20250317120622.1746415-1-b-padhi@ti.com/
>
> v9: Changelog:
> 1. Added R5 cleanup & refactoring along with existing DSP, M4 refactoring into this series. [Andrew]
> 2. Dropped Mailbox level IPC checks across R5, DSP, M4 drivers in IPC-only mode. [Andrew]
>
> Link to v8:
> https://lore.kernel.org/all/20250103101231.1508151-1-b-padhi@ti.com/
>
> v8: Changelog:
> 1. Broken down refactoring into patches, each patch dealing with one function
> for ease in review. [Andrew]
>
> Links to older versions:
> v7: https://lore.kernel.org/all/20240202175538.1705-1-hnagalla@ti.com/
> v6: https://lore.kernel.org/all/20230913111644.29889-1-hnagalla@ti.com/
> v5: https://lore.kernel.org/all/20230808044529.25925-1-hnagalla@ti.com/
> v4: https://lore.kernel.org/all/20230801141117.2559-1-hnagalla@ti.com/
> v3: https://lore.kernel.org/all/20230302171450.1598576-1-martyn.welch@collabora.com/
> v2: https://lore.kernel.org/all/20230301111323.1532479-4-martyn.welch@collabora.com/
> v1: https://lore.kernel.org/all/20220110040650.18186-1-hnagalla@ti.com/
>
> Thanks,
> Beleswar
>
> Beleswar Padhi (33):
>   remoteproc: k3-r5: Refactor sequential core power up/down operations
>   remoteproc: k3-r5: Re-order internal memory initialization functions
>   remoteproc: k3-r5: Re-order k3_r5_release_tsp() function
>   remoteproc: k3-r5: Refactor Data Structures to Align with DSP and M4
>   remoteproc: k3-r5: Use k3_r5_rproc_mem_data structure for memory info
>   remoteproc: k3-{m4/dsp}: Add a void ptr member in rproc internal
>     struct
>   remoteproc: k3-m4: Add pointer to rproc struct within k3_m4_rproc
>   remoteproc: k3-m4: Use k3_rproc_mem_data structure for memory info
>   remoteproc: k3: Refactor shared data structures
>   remoteproc: k3: Refactor mailbox rx_callback functions into common
>     driver
>   remoteproc: k3: Refactor .kick rproc ops into common driver
>   remoteproc: k3-dsp: Correct Reset logic for devices without lresets
>   remoteproc: k3-m4: Introduce central function to put rproc into reset
>   remoteproc: k3: Refactor rproc_reset() implementation into common
>     driver
>   remoteproc: k3-dsp: Correct Reset deassert logic for devices w/o
>     lresets
>   remoteproc: k3-m4: Introduce central function to release rproc from
>     reset
>   remoteproc: k3: Refactor rproc_release() implementation into common
>     driver
>   remoteproc: k3-m4: Ping the mbox while acquiring the channel
>   remoteproc: k3: Refactor rproc_request_mbox() implementations into
>     common driver
>   remoteproc: k3-dsp: Don't override rproc ops in IPC-only mode
>   remoteproc: k3-dsp: Assert local reset during .prepare callback
>   remoteproc: k3: Refactor .prepare rproc ops into common driver
>   remoteproc: k3: Refactor .unprepare rproc ops into common driver
>   remoteproc: k3: Refactor .start rproc ops into common driver
>   remoteproc: k3: Refactor .stop rproc ops into common driver
>   remoteproc: k3: Refactor .attach rproc ops into common driver
>   remoteproc: k3: Refactor .detach rproc ops into common driver
>   remoteproc: k3: Refactor .get_loaded_rsc_table ops into common driver
>   remoteproc: k3: Refactor .da_to_va rproc ops into common driver
>   remoteproc: k3: Refactor of_get_memories() functions into common
>     driver
>   remoteproc: k3: Refactor mem_release() functions into common driver
>   remoteproc: k3: Refactor reserved_mem_init() functions into common
>     driver
>   remoteproc: k3: Refactor release_tsp() functions into common driver
>
> Siddharth Vadapalli (2):
>   remoteproc: k3-r5: Drop check performed in
>     k3_r5_rproc_{mbox_callback/kick}
>   remoteproc: k3-dsp: Drop check performed in
>     k3_dsp_rproc_{mbox_callback/kick}
>
>  drivers/remoteproc/Makefile               |    4 +-
>  drivers/remoteproc/ti_k3_common.c         |  547 +++++++++++
>  drivers/remoteproc/ti_k3_common.h         |  113 +++
>  drivers/remoteproc/ti_k3_dsp_remoteproc.c |  616 +------------
>  drivers/remoteproc/ti_k3_m4_remoteproc.c  |  583 +-----------
>  drivers/remoteproc/ti_k3_r5_remoteproc.c  | 1012 +++++++--------------
>  6 files changed, 1072 insertions(+), 1803 deletions(-)
>  create mode 100644 drivers/remoteproc/ti_k3_common.c
>  create mode 100644 drivers/remoteproc/ti_k3_common.h
>
> --
> 2.34.1
>

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