[v4,0/9] cpufreq: Add flag to auto-register as cooling device

Message

Amit Kucheria Jan. 28, 2019, 6:41 a.m. UTC

Add a flag for cpufreq drivers to tell cpufreq core to auto-register
themselves as a thermal cooling device.

There series converts over all the drivers except arm_big_little.c.
Tested on SDM845 with the qcom-cpufreq-hw driver. Only compile-tested the
others.

Things needing fixing (but not a blocker for the series):
 - Look at how to detect that we're not in IKS mode in arm_big_little's
   .ready callback.

Chnages since v3:
 - Got rid of wrapper function to register/unregister cooling devices.
   Directly call the function in cpufreq.c

Changes since v2:
 - Get rid of #ifdef'ery and let the pointer exist in all cases
 - Get rid of (!CPU_THERMAL || THERMAL) dependency in all cpufreq drivers'
   Kconfig

Changes since v1:
- Fix compilation failures with allmodconfig
- Get rid of #ifdef in cpufreq.c
- Removed miscellaneous patches and sent them separately
- Merged patches 1 and 2 from v1

Amit Kucheria (9):
  thermal: cpu_cooling: Require thermal core to be compiled in
  cpufreq: Auto-register the driver as a thermal cooling device if asked
  cpufreq: qcom-hw: Register as a cpufreq cooling device
  cpufreq: imx6q: Use auto-registration of thermal cooling device
  cpufreq: cpufreq-dt: Use auto-registration of thermal cooling device
  cpufreq: mediatek: Use auto-registration of thermal cooling device
  cpufreq: qoriq: Use auto-registration of thermal cooling device
  cpufreq: scmi: Use auto-registration of thermal cooling device
  cpufreq: scpi: Use auto-registration of thermal cooling device

 drivers/cpufreq/Kconfig            |  3 ---
 drivers/cpufreq/Kconfig.arm        |  5 -----
 drivers/cpufreq/cpufreq-dt.c       | 14 ++------------
 drivers/cpufreq/cpufreq.c          |  9 +++++++++
 drivers/cpufreq/imx6q-cpufreq.c    | 24 ++----------------------
 drivers/cpufreq/mediatek-cpufreq.c | 14 ++------------
 drivers/cpufreq/qcom-cpufreq-hw.c  |  3 ++-
 drivers/cpufreq/qoriq-cpufreq.c    | 15 ++-------------
 drivers/cpufreq/scmi-cpufreq.c     | 14 ++------------
 drivers/cpufreq/scpi-cpufreq.c     | 14 ++------------
 drivers/thermal/Kconfig            |  1 +
 include/linux/cpufreq.h            |  9 +++++++++
 12 files changed, 33 insertions(+), 92 deletions(-)

Comments

Viresh Kumar Jan. 28, 2019, 6:47 a.m. UTC | #1

On 28-01-19, 12:11, Amit Kucheria wrote:
> Add a flag for cpufreq drivers to tell cpufreq core to auto-register
> themselves as a thermal cooling device.
> 
> There series converts over all the drivers except arm_big_little.c.
> Tested on SDM845 with the qcom-cpufreq-hw driver. Only compile-tested the
> others.
> 
> Things needing fixing (but not a blocker for the series):
>  - Look at how to detect that we're not in IKS mode in arm_big_little's
>    .ready callback.
> 
> Chnages since v3:
>  - Got rid of wrapper function to register/unregister cooling devices.
>    Directly call the function in cpufreq.c

Acked-by: Viresh Kumar <[e-mail]>