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Message-ID: <CANLsYkyo304DWjNEv3GT4RJTA+HzZnS_tg0kci35X53E70pTjg@mail.gmail.com>
Date:   Mon, 4 Jul 2022 10:30:00 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc:     bjorn.andersson@...aro.org, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org, Peng Fan <peng.fan@....com>
Subject: Re: [PATCH V6 0/2] remoteproc: support self recovery

On Fri, 1 Jul 2022 at 03:35, Peng Fan (OSS) <peng.fan@....nxp.com> wrote:
>
> From: Peng Fan <peng.fan@....com>
>
> V6:
>  Rename rproc_firmware_recovery to rproc_boot_recovery
>  Drop the unlock/lock when do reproc_attach_recovery

Dropped.

>
> V5:
>  Rename RPROC_FEAT_ATTACH_RECOVERY to RPROC_FEAT_ATTACH_ON_RECOVERY
>  Add kerneldoc for rproc features
>  Change rproc_set_feature to return int type and add a max feature check
>  Use __rproc_detach and __rproc_attach when do attach recovery
>  https://patchwork.kernel.org/project/linux-remoteproc/cover/20220615032048.465486-1-peng.fan@oss.nxp.com/
>
> V4:
>   Based on Bjorn's comments on V2-2
>   Move the rproc_has_feature/rproc_set_feature to remoteproc_internal.h and
>  Keep rproc_features still in remoteproc.h, because we use
>  RPROC_MAX_FEATURES to declare bitmap.
>   Update commit log for patch 2/2, and add comments
>
>   https://patchwork.kernel.org/project/linux-remoteproc/cover/20220323034405.976643-1-peng.fan@oss.nxp.com/
>
> V3:
>  Resend the wrong labeled patchset
>  https://patchwork.kernel.org/project/linux-remoteproc/list/?series=621311
>
>  Write a cover-letter
>  To i.MX8QM/QXP, they have a M4 core self-recovery capability without
>  Linux loading firmware. The self recovery is done by
>  SCU(System Control Unit). Current remoteproc framework only support Linux
>  help recovery remote processor(stop, loading firmware, start). This
>  patchset is support remote processor self recovery(attach recovery).
>
>  In order to avoid introducing a new variable(bool support_self_recovery),
>  patch 1 introduce a new function, rproc_has_feature to make code easy to
>  extend, cleaner, such as we could move "bool has_iommu" to
>  rproc_has_feature(rproc, RPROC_FEAT_IOMMU).
>
>  Patch 2 is introduce a new function rproc_attach_recovery for
>  self recovery, the original logic move to rproc_firmware_recovery meaning
>  needs linux to help recovery.
>
>  V2-version 2:
>  https://patchwork.kernel.org/project/linux-remoteproc/list/?series=621311
>  Introduce rproc_has_feature
>
>  V2-version 1:
>  https://patchwork.kernel.org/project/linux-remoteproc/patch/20220126085120.3397450-1-peng.fan@oss.nxp.com/
>  Nothing change in V2.
>  Only move this patch out from
>  https://patchwork.kernel.org/project/linux-remoteproc/list/?series=604364
>
>
> Peng Fan (2):
>   remoteproc: introduce rproc features
>   remoteproc: support attach recovery after rproc crash
>
>  drivers/remoteproc/remoteproc_core.c     | 62 ++++++++++++++++--------
>  drivers/remoteproc/remoteproc_internal.h | 15 ++++++
>  include/linux/remoteproc.h               | 15 ++++++
>  3 files changed, 73 insertions(+), 19 deletions(-)
>
> --
> 2.25.1
>

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