RE: [PATCH V4 0/2] remoteproc: support self recovery

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> Subject: [PATCH V4 0/2] remoteproc: support self recovery

Gentle ping..

Thanks
Peng.

> 
> From: Peng Fan <peng.fan@xxxxxxx>
> 
> 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
> 
> 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/20220126085
> 120.3397450-1-peng.fan@xxxxxxxxxxx/
>  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     | 67
> +++++++++++++++++-------
>  drivers/remoteproc/remoteproc_internal.h | 10 ++++
>  include/linux/remoteproc.h               |  7 +++
>  3 files changed, 65 insertions(+), 19 deletions(-)
> 
> --
> 2.25.1





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