Re: [PATCH v5 0/6] Initialise thermal framework and cpufreq earlier during boot

From: Zhang Rui
Date: Wed Oct 30 2019 - 22:42:37 EST


Hi,

Given that all the patches in this series have got the ACK from the
subsystem maintainers, I suppose we can take all the patches through
thermal tree, right?

thanks,
rui

On Mon, 2019-10-21 at 17:45 +0530, Amit Kucheria wrote:
> Changes since v4:
> - Collect Acks
> - Pick the US spelling for 'initialis^Hze' consistently.
>
> Changes since v3:
> - Init schedutil governor earlier too
> - Simplified changes to thermal_init() error path
> - Collects Acks
>
> Changes since v2:
> - Missed one patch when posting v2. Respinning.
>
> Changes since v1:
> - Completely get rid of netlink support in the thermal framework.
> - This changes the early init patch to a single line - change to
> core_initcall. Changed authorship of patch since it is nothing like
> the
> original. Lina, let me know if you feel otherwise.
> - I've tested to make sure that the qcom-cpufreq-hw driver continues
> to
> work correctly as a module so this won't impact Android's GKI
> plans.
> - Collected Acks
>
> Device boot needs to be as fast as possible while keeping under the
> thermal
> envelope. Now that thermal framework is built-in to the kernel, we
> can
> initialize it earlier to enable thermal mitigation during boot.
>
> We also need the cpufreq HW drivers to be initialised earlier to act
> as the
> cooling devices. This series only converts over the qcom-hw driver to
> initialize earlier but can be extended to other platforms as well.
>
> Amit Kucheria (6):
> thermal: Remove netlink support
> thermal: Initialize thermal subsystem earlier
> cpufreq: Initialize the governors in core_initcall
> cpufreq: Initialize cpufreq-dt driver earlier
> clk: qcom: Initialize clock drivers earlier
> cpufreq: qcom-hw: Move driver initialization earlier
>
> .../driver-api/thermal/sysfs-api.rst | 26 +----
> drivers/clk/qcom/clk-rpmh.c | 2 +-
> drivers/clk/qcom/gcc-qcs404.c | 2 +-
> drivers/clk/qcom/gcc-sdm845.c | 2 +-
> drivers/cpufreq/cpufreq-dt-platdev.c | 2 +-
> drivers/cpufreq/cpufreq_conservative.c | 2 +-
> drivers/cpufreq/cpufreq_ondemand.c | 2 +-
> drivers/cpufreq/cpufreq_performance.c | 2 +-
> drivers/cpufreq/cpufreq_powersave.c | 2 +-
> drivers/cpufreq/cpufreq_userspace.c | 2 +-
> drivers/cpufreq/qcom-cpufreq-hw.c | 2 +-
> drivers/thermal/thermal_core.c | 103 +---------------
> --
> include/linux/thermal.h | 11 --
> kernel/sched/cpufreq_schedutil.c | 2 +-
> 14 files changed, 19 insertions(+), 143 deletions(-)
>