Re: [PATCH v4 00/21] Add Qualcomm Minidump kernel driver related support

From: Mukesh Ojha
Date: Fri Jul 14 2023 - 11:26:39 EST




Hi Mukesh,

For IPQ chipsets, for the crashdump to work, we need the below patch

firmware: scm: Modify only the download bits in TCSR register

can you post the below patches separately? Looks like minidump will take some time and also I don't see any dependencies for these to go along with the minidump. Given that, will it be possible to post the below patches separately?

  firmware: qcom_scm: provide a read-modify-write function
  pinctrl: qcom: Use qcom_scm_io_update_field()
  firmware: scm: Modify only the download bits in TCSR register

Do let us know if we can take these patches and post it separately.

Yes, we can post this separately.

-Mukesh


  Documentation/admin-guide/index.rst                |   1 +
  Documentation/admin-guide/qcom_minidump.rst        | 293 +++++++++++
  .../devicetree/bindings/soc/qcom/qcom,ramoops.yaml | 126 +++++
  MAINTAINERS                                        |  15 +
  arch/arm64/boot/dts/qcom/sm8450.dtsi               |  12 +
  arch/arm64/configs/defconfig                       |   4 +
  drivers/firmware/Kconfig                           |  11 -
  drivers/firmware/qcom_scm.c                        |  85 ++-
  drivers/pinctrl/qcom/pinctrl-msm.c                 |  12 +-
  drivers/remoteproc/qcom_common.c                   | 142 +----
  drivers/soc/qcom/Kconfig                           |  39 ++
  drivers/soc/qcom/Makefile                          |   3 +
  drivers/soc/qcom/qcom_minidump.c                   | 582 +++++++++++++++++++++
  drivers/soc/qcom/qcom_minidump_internal.h          |  98 ++++
  drivers/soc/qcom/qcom_minidump_smem.c              | 387 ++++++++++++++
  drivers/soc/qcom/qcom_pstore_minidump.c            | 210 ++++++++
  drivers/soc/qcom/smem.c                            |   9 +
  fs/pstore/ram.c                                    |  26 +-
  include/linux/firmware/qcom/qcom_scm.h             |   2 +
  include/linux/pstore_ram.h                         |   2 +
  include/soc/qcom/qcom_minidump.h                   |  64 +++
  kernel/kallsyms.c                                  |   2 +-
  22 files changed, 1973 insertions(+), 152 deletions(-)
  create mode 100644 Documentation/admin-guide/qcom_minidump.rst
  create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,ramoops.yaml
  create mode 100644 drivers/soc/qcom/qcom_minidump.c
  create mode 100644 drivers/soc/qcom/qcom_minidump_internal.h
  create mode 100644 drivers/soc/qcom/qcom_minidump_smem.c
  create mode 100644 drivers/soc/qcom/qcom_pstore_minidump.c
  create mode 100644 include/soc/qcom/qcom_minidump.h