linux-kernel - [PATCH v7 00/17] remoteproc: Add support for detaching a remote processor

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Date:   Wed, 10 Mar 2021 14:10:08 -0700
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     ohad@...ery.com, bjorn.andersson@...aro.org
Cc:     arnaud.pouliquen@...com, mcoquelin.stm32@...il.com,
        alexandre.torgue@...com, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v7 00/17] remoteproc: Add support for detaching a remote processor 

This set provides support for the remoteproc core to release resources
associated with a remote processor without having to switch it off. That
way a platform driver can be removed or the application processor power
cycled while the remote processor is still operating.

The main difference in this revision is patch 11/16 (in V6).  It was split
split in two part in order to simplify handling of the resource table when
the remote processor is detached or stopped.  Other modifications are
detailed in the changelog of each patch.

Applies cleanly on v5.12-rc2.

Thanks,
Mathieu

Arnaud POULIQUEN (1):
  remoteproc: stm32: Move memory parsing to rproc_ops

Mathieu Poirier (16):
  remoteproc: Remove useless check in rproc_del()
  remoteproc: Rename function rproc_actuate()
  remoteproc: Add new RPROC_ATTACHED state
  remoteproc: Properly represent the attached state
  remoteproc: Add new get_loaded_rsc_table() to rproc_ops
  remoteproc: stm32: Move resource table setup to rproc_ops
  remoteproc: Add new detach() remoteproc operation
  remoteproc: Introduce function __rproc_detach()
  remoteproc: Introduce function rproc_detach()
  remoteproc: Properly deal with the resource table when detaching
  remoteproc: Properly deal with the resource table when stopping
  remoteproc: Properly deal with a kernel panic when attached
  remoteproc: Properly deal with a start request when attached
  remoteproc: Properly deal with a stop request when attached
  remoteproc: Properly deal with a detach request when attached
  remoteproc: Refactor function rproc_cdev_release()

 drivers/remoteproc/remoteproc_cdev.c     |  21 +-
 drivers/remoteproc/remoteproc_core.c     | 302 ++++++++++++++++++++---
 drivers/remoteproc/remoteproc_internal.h |  10 +
 drivers/remoteproc/remoteproc_sysfs.c    |  17 +-
 drivers/remoteproc/stm32_rproc.c         | 168 ++++++-------
 include/linux/remoteproc.h               |  21 +-
 6 files changed, 401 insertions(+), 138 deletions(-)

-- 
2.25.1