On Fri, May 01, 2026 at 12:42:47AM +0530, Mukesh Ojha wrote: > This series is a collection of misc fixes for the Qualcomm PAS remoteproc > driver and its supporting SCM/MDT loader infrastructure. > > - Fix sparse __iomem warnings in qcom_adsp, qcom_pas and qcom_wcnss by > annotating mem_region fields with __iomem and using __force at call sites. > - Guard the DTB metadata release in qcom_pas_load() with a dtb_pas_id check, > consistent with all other release sites in the driver. > - Move PAS context allocation from probe into qcom_pas_alloc_memory_region() > so the DTB context is only created for subsystems that actually use it. > - Map/unmap the subsystem memory region on demand around firmware load and > coredump, avoiding potential XPU violations on EL2 platforms where the > region may be handed off to the remote side. > - Drop the now-unused dtb_mem_region field from struct qcom_pas. > - Add a keep_mdt_buf flag to struct qcom_scm_pas_context to make metadata > buffer retention explicit rather than implicit.
Reminder for review and if they look fine, can this be picked up? > > Changes in v4: > > https://lore.kernel.org/lkml/[email protected]/ > > https://lore.kernel.org/lkml/[email protected]/ > > - Last series mistakenly divided two series cause laptop shutdown. > - Some minor refactor common code rest is same a rebased on latest > kernel. > - Added new 6/6 to the series. > > Mukesh Ojha (6): > remoteproc: qcom: fix sparse warnings for __iomem annotated mem_region > remoteproc: qcom: pas: Guard dtb metadata release with dtb_pas_id > check > remoteproc: qcom: pas: Fix the PAS context creation placement > remoteproc: qcom: pas: Map/unmap subsystem region before > auth_and_reset > remoteproc: qcom: pas: Drop unused dtb_mem_region field > firmware: qcom: scm: introduce keep_mdt_buf flag in PAS context > > drivers/firmware/qcom/qcom_scm.c | 21 +++++- > drivers/remoteproc/qcom_q6v5_adsp.c | 6 +- > drivers/remoteproc/qcom_q6v5_pas.c | 99 +++++++++++++++----------- > drivers/remoteproc/qcom_wcnss.c | 6 +- > drivers/soc/qcom/mdt_loader.c | 18 +++-- > include/linux/firmware/qcom/qcom_scm.h | 1 + > include/linux/soc/qcom/mdt_loader.h | 4 +- > 7 files changed, 99 insertions(+), 56 deletions(-) > > -- > 2.53.0 > -- -Mukesh Ojha
