[PATCH v10 0/3] Add Ampere's Altra SMPro child drivers

Joel Stanley joel at jms.id.au
Thu Nov 17 14:11:05 AEDT 2022


On Wed, 16 Nov 2022 at 03:56, Quan Nguyen <quan at os.amperecomputing.com> wrote:
>
> Dear Joel,
>
> As this patch set was all accepted in linux-next tree, May you help to
> pick them to your openbmc/linux dev-6.0 branch?

Done. Great work, well done.

Cheers,

Joel

>
> The list of commits is as below (as some was picked in v9 and the remain
> was picked in v10):
>
> +
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20221115&id=072b9545e5cf470eea01f8e59c3dbd4b81181a2e
> +
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20221115&id=026d99699101db523f444d0fc3dddb75fef42594
> +
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20221115&id=4a4a4e9ebaa3ce903a3cdf8bb173eeaf87828cea
> +
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20221115&id=763dc90e9a4332f82ad43c866c6878742b15d4ab
> +
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20221115&id=2202e8df80936fa0d92d49cc7db1562e7772308e
> +
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20221115&id=c157f6e8ea2e61ab72f85567f37faa4711c291d7
> +
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20221115&id=37618918f6c7219e1bfb86e4c3fe7834092643d0
>
> Thank you for the help.
> - Quan
>
>
> On 31/10/2022 09:44, Quan Nguyen wrote:
> > The SMpro co-processor on Ampere Altra processor family is to monitor
> > and report various data included hwmon-related info, RAS errors, and
> > other miscellaneous information. The SMPro MFD driver initializes the
> > register map and instantiates all sub-devices. All the specifics will
> > be handled in the child drivers.
> >
> > As some patches in previous version were picked, this patchset includes
> > the remain patches which are Ampere SMpro errmon, SMPRO misc and dt
> > bindings document for SMPro MFD driver. The errmon driver supports
> > monitoring and reporting RAS-related errors. The misc driver supports
> > reporting boot progress and other miscellaneous information.
> >
> > Discussion for v9:
> > https://lore.kernel.org/lkml/Y1aHiaZ1OpHZIzS9@google.com/T/
> >
> > v10:
> >    + Revise and fix document format                             [Bagas]
> >    + Update commit message: s/This commit adds/Add/             [Bagas]
> >    + Use
> >      Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro
> >                                                                  [Greg]
> >    + Drop Documentation/misc-devices/smpro-[errmon|misc].rst     [Greg]
> >
> > v9:
> >    + Fix issue when building htmldocs                           [Bagas]
> >    + Insert 'break;' to avoid fall-through          [kernel test robot]
> >    + Update SPDX license                                         [Greg]
> >    + Fix messy goto                                              [Greg]
> >    + Use ATTRIBUTE_GROUPS()                                      [Greg]
> >    + Use dev_groups instead of sysfs_create_group() to avoid
> >    user space racing issue                                       [Greg]
> >    + Fix ugly static struct define                               [Greg]
> >    + Rename smpro-mfd.c to smpro-core.c                     [Lee Jones]
> >    + Fix include files in alphabetical order                [Lee Jones]
> >    + Add defines to avoid using magic numbers               [Lee Jones]
> >    + Return -EINVAL if device does not match                [Lee Jones]
> >    + Remove unnecessary comment                             [Lee Jones]
> >    + Remove unnecessary channel info for VRD and DIMM event      [Quan]
> >    + Separate error_[smpro|pmpro] to error_* and warn_*          [Quan]
> >    + Add minor refactor code                                     [Quan]
> >
> > v8:
> >    + Insert 'break;' to avoid fall-through          [kernel test robot]
> >    + Avoid uninitialized variable use               [kernel test robot]
> >    + Remove unused #*_cells                                 [Krzysztof]
> >    + Switch to use sysfs_emit()                                  [Greg]
> >    + Sysfs to return single value only                           [Greg]
> >    + Fix KernelVerion field in Documentation/ABI/testing doc     [Greg]
> >    + Change errors_* sysfs to error_*                            [Quan]
> >    + Add overflow_[core|mem|pcie|other]_[ce|ue] sysfs to report
> >    overflow status of each type of HW errors                     [Quan]
> >    + Update wording in Kconfig for smpro-errmon and smpro-misc   [Quan]
> >    + Masks reserved bit when read 10-bit power value             [Quan]
> >    + Add some minor refactor                                     [Quan]
> >
> > v7:
> >    + Add docs to Documentation/ABI/testing                       [Greg]
> >    + Re-order patches to avoid compile dependency           [Lee Jones]
> >    + Remove regmap_acquire/release_lock()                        [Quan]
> >    + Install regmap bus->read/write() to handle multiple types of bus
> >      access                                                      [Quan]
> >    + Replace i2c block read by regmap_noinc_read()               [Quan]
> >    + Fix wrong return type of *show/store()         [kernel test robot]
> >    + Update GPL version                                          [Quan]
> >    + Add some others minor code refactor                         [Quan]
> >
> > v6:
> >    + Introduced smpro-errmon, smpro-misc as smpro-mfd sub-device [Quan]
> >
> > v5:
> >    + Introduced the smpro-mfd driver and drop the use of
> >    simple-mfd-i2c driver to avoid DT node with no resource in child
> >    device DT nodes [Rob]
> >    + Removed the use of reg DT property in child driver [Quan]
> >    + Validated ManufactureID when probing smpro-mfd drivers [Quan]
> >    + As child devices are instantiated by SMPro MFD driver, drop the
> >    ManufacturerID checking in child driver, ie: smpro-hwmon [Quan]
> >    + Revised commit messages [Quan]
> >
> > v4:
> >    + Revised commit message [Quan]
> >    + Fixed build issue found by kernel test robot [Guenter]
> >    + Returned regmap_read() error code [Guenter]
> >
> > v3:
> >    + Supported list of compatible string [Rob]
> >    + Introduced reg property in DT to specify reg offset [Rob]
> >    + Updated description and other minor changes in yaml file [Rob]
> >    + Handled negative temperature value [Guenter]
> >    + Returned -ENODEV if Manufacturer ID is wrong [Guenter]
> >    + Refactored smpro_read_string() and smpro_temp_read() [Guenter]
> >    + Removed smpro_write() function [Guenter]
> >    + Added minor refactor changes [Quan]
> >
> > v2:
> >    + Used 'struct of_device_id's .data attribute [Lee Jones]
> >    + Removed "virtual" sensors [Guenter]
> >    + Fixed typo "mili" to "milli", "nanoWatt" to "microWatt" [Guenter]
> >    + Reported SOC_TDP as "Socket TDP" using max attributes [Guenter]
> >    + Clarified "highest" meaning in documentation [Guenter]
> >    + Corrected return error code when host is turn off [Guenter]
> >    + Reported MEM HOT Threshold for all DIMMs as temp*_crit [Guenter]
> >    + Removed license info as SPDX-License-Identifier existed [Guenter]
> >    + Added is_visible() support [Guenter]
> >    + Used HWMON_CHANNEL_INFO() macro and LABEL attributes [Guenter]
> >    + Made is_valid_id() return boolean [Guenter]
> >    + Returned -EPROBE_DEFER when smpro reg inaccessible [Guenter]
> >    + Removed unnecessary error message when dev register fail [Guenter]
> >    + Removed Socket TDP sensor [Quan]
> >    + Changed "ampere,ac01-smpro" to "ampere,smpro" [Quan]
> >    + Included sensor type and channel in labels [Quan]
> >    + Refactorized code to fix checkpatch.pl --strict complaint [Quan]
> >
> > Quan Nguyen (3):
> >    dt-bindings: mfd: Add bindings for Ampere Altra SMPro MFD driver
> >    misc: smpro-errmon: Add Ampere's SMpro error monitor driver
> >    misc: smpro-misc: Add Ampere's Altra SMpro misc driver
> >
> >   .../sysfs-bus-platform-devices-ampere-smpro   | 312 +++++++++++
> >   .../devicetree/bindings/mfd/ampere,smpro.yaml |  42 ++
> >   drivers/misc/Kconfig                          |  22 +
> >   drivers/misc/Makefile                         |   2 +
> >   drivers/misc/smpro-errmon.c                   | 529 ++++++++++++++++++
> >   drivers/misc/smpro-misc.c                     | 145 +++++
> >   6 files changed, 1052 insertions(+)
> >   create mode 100644 Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro
> >   create mode 100644 Documentation/devicetree/bindings/mfd/ampere,smpro.yaml
> >   create mode 100644 drivers/misc/smpro-errmon.c
> >   create mode 100644 drivers/misc/smpro-misc.c
> >


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