On Wed, Sep 28, 2022 at 02:47:54PM +0800, Peng Fan (OSS) wrote: > From: Peng Fan <peng.fan@xxxxxxx> > > V8: > Rebased on linux-next/master tag: next-20220927 > > V7: > Per comments from Arnaud Pouliquen: > Typo fixes > Added A-b tag > > V6: > Rename rproc_firmware_recovery to rproc_boot_recovery > Drop the unlock/lock when do reproc_attach_recovery > > 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@xxxxxxxxxxx/ > > 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@xxxxxxxxxxx/ > > 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@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 | 62 ++++++++++++++++-------- > drivers/remoteproc/remoteproc_internal.h | 15 ++++++ > include/linux/remoteproc.h | 16 ++++++ > 3 files changed, 74 insertions(+), 19 deletions(-) Applied. Thanks, Mathieu > > -- > 2.37.1 >
