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SubjectRe: [PATCH V4 0/2] remoteproc: support self recovery
On Wed, 23 Mar 2022 at 03:42, Peng Fan (OSS) <peng.fan@oss.nxp.com> wrote:
>
> From: Peng Fan <peng.fan@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

I have received your patches but there is a significant backlog to go
through before I can take a look at them.

Thanks,
Mathieu

>
> 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 | 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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