On Thu, Nov 5, 2020 at 1:56 PM Ionela Voinescu <ionela.voine...@arm.com> wrote: > > Hi guys, > > I found myself staring a bit too much at this driver in the past weeks > and that's likely the cause for me coming up with this series of 8 > patches that cleans up, clarifies and reworks parts of it, as follows: > > - patches 1-3/8: trivial clean-up and renaming with the purpose to > improve readability > - patch 4/8: replace previous per-cpu data structures with lists of > domains and CPUs to get more efficient storage for driver > data and fix previous issues in case of CPU hotplugging, > as discussed at [1]. > - patches 5-6/8: a few fixes and clarifications: mostly making sure > the behavior described in the comments and debug > messages matches the code and there is clear > indication of what is supported and how. > - patch 7/8: use the existing freqdomains_cpus attribute to inform > the user on frequency domains. > - patch 8/8: acpi: replace ALL coordination with NONE coordination > when errors are find parsing the _PSD domains > (as described in the comments in the code). > > Hopefully you'll find this useful for ease of maintenance and ease of > future development of the driver. > > This functionality was tested on a Juno platform with modified _PSD > tables to test the functionality for all currently supported > coordination types: ANY, HW, NONE. > > The current code is based on v5.10-rc2. > > Thanks, > Ionela. > > [1] https://lore.kernel.org/linux-pm/20200922162540.gb...@arm.com/ > > Ionela Voinescu (8): > cppc_cpufreq: fix misspelling, code style and readability issues > cppc_cpufreq: clean up cpu, cpu_num and cpunum variable use > cppc_cpufreq: simplify use of performance capabilities > cppc_cpufreq: replace per-cpu structures with lists > cppc_cpufreq: use policy->cpu as driver of frequency setting > cppc_cpufreq: clarify support for coordination types > cppc_cpufreq: expose information on frequency domains > acpi: fix NONE coordination for domain mapping failure > > .../ABI/testing/sysfs-devices-system-cpu | 3 +- > drivers/acpi/cppc_acpi.c | 126 +++--- > drivers/acpi/processor_perflib.c | 2 +- > drivers/cpufreq/cppc_cpufreq.c | 358 +++++++++++------- > include/acpi/cppc_acpi.h | 14 +- > 5 files changed, 277 insertions(+), 226 deletions(-) > > --
All patches applied as 5.11 material (with a minor subject edit in the last patch), thanks! In the future, though, please CC all/any ACPI-related changes to the linux-acpi mailing list.
