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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/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