[GIT,PULL] devfreq next for v5.6
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  • [GIT,PULL] devfreq next for v5.6
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Pull-request

git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git tags/devfreq-next-for-5.6

Message

Chanwoo Choi Jan. 17, 2020, 4:59 a.m. UTC
Dear Rafael,

This is devfreq-next pull request for v5.6-rc1. I add detailed description of
this pull request on the following tag. Please pull devfreq with following updates.
- tag name : devfreq-next-for-5.6

Best Regards,
Chanwoo Choi


The following changes since commit fd6988496e79a6a4bdb514a4655d2920209eb85d:

  Linux 5.5-rc4 (2019-12-29 15:29:16 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git tags/devfreq-next-for-5.6

for you to fetch changes up to 490a421bc575d1bf391a6ad5b582dcfbd0037724:

  PM / devfreq: Add debugfs support with devfreq_summary file (2020-01-16 19:14:49 +0900)

----------------------------------------------------------------
Detailed description for this pull request:
1. Update devfreq core
- Add new 'name' attribute of sysfs to show the device name
  : /sys/class/devfreq/devfreqX/name

- Make 'trans_stat' sysfs resetting by entering zero(0) as following
  : echo 0 > /sys/class/devfreq/devfreqX/trans_stat

- Add debugfs support with 'devfreq_summary' file to show the summary
  : /sys/kernel/debug/devfreq/devfreq_summary

- Change the type of time variable to 64bit to prevent the overflow
- Make the separate devfreq_stats including the statistics information
- Fix the minor coding-style like indentation and kernel-doc warnings

2. Update devfreq driver
- Add new imx8m-ddrc.c devfreq driver for dynamic scaling of DDR frequency.
  It changes the DDR frequency by using ARM SMCCC(SMC Calling Convention)
  interface to control TF-A firmware.

- Add COMPILE_TEST dependency for rk3399_dmc.c

- Clean-up code for exynos-bus.c and rk3399_dmc.c without behavior changes

3. Update devfreq-event driver
- Fix excessive stack usage of exynos-ppmu.c and clean-up code of
  rockchip-dfi.c without behavior changes
----------------------------------------------------------------

Arnd Bergmann (1):
      PM / devfreq: exynos-ppmu: Fix excessive stack usage

Artur Świgoń (3):
      PM / devfreq: exynos-bus: Extract exynos_bus_profile_init()
      PM / devfreq: exynos-bus: Extract exynos_bus_profile_init_passive()
      PM / devfreq: exynos-bus: Reduce goto statements and remove unused headers

Chanwoo Choi (3):
      PM / devfreq: Add new name attribute for sysfs
      PM / devfreq: rk3399_dmc: Add COMPILE_TEST and HAVE_ARM_SMCCC dependency
      PM / devfreq: Add debugfs support with devfreq_summary file

Kamil Konieczny (4):
      PM / devfreq: Change time stats to 64-bit
      PM / devfreq: Add clearing transitions stats
      PM / devfreq: Move statistics to separate struct devfreq_stats
      PM / devfreq: Move declaration of DEVICE_ATTR_RW(min_freq)

Krzysztof Kozlowski (2):
      PM / devfreq: Fix Kconfig indentation
      PM / devfreq: exynos: Rename Exynos to lowercase

Leonard Crestez (3):
      dt-bindings: memory: Add bindings for imx8m ddr controller
      PM / devfreq: Add dynamic scaling for imx8m ddr controller
      PM / devfreq: imx8m-ddrc: Remove unused defines

Randy Dunlap (1):
      PM / devfreq: Fix multiple kernel-doc warnings

Yangtao Li (6):
      PM / devfreq: rockchip-dfi: Add missing of_node_put()
      PM / devfreq: rk3399_dmc: Add missing of_node_put()
      PM / devfreq: rockchip-dfi: Convert to devm_platform_ioremap_resource
      PM / devfreq: rk3399_dmc: Disable devfreq-event device when fails
      PM / devfreq: exynos-bus: Disable devfreq-event device when fails
      PM / devfreq: exynos-bus: Add error log when fail to get devfreq-event

YueHaibing (1):
      PM / devfreq: imx8m-ddrc: Fix inconsistent IS_ERR and PTR_ERR

 Documentation/ABI/testing/sysfs-class-devfreq      |  18 +-
 .../memory-controllers/fsl/imx8m-ddrc.yaml         |  72 ++++
 drivers/devfreq/Kconfig                            |  21 +-
 drivers/devfreq/Makefile                           |   1 +
 drivers/devfreq/devfreq-event.c                    |   4 +-
 drivers/devfreq/devfreq.c                          | 166 +++++++-
 drivers/devfreq/event/Kconfig                      |   6 +-
 drivers/devfreq/event/exynos-nocp.c                |   2 +-
 drivers/devfreq/event/exynos-nocp.h                |   2 +-
 drivers/devfreq/event/exynos-ppmu.c                |  15 +-
 drivers/devfreq/event/exynos-ppmu.h                |   2 +-
 drivers/devfreq/event/rockchip-dfi.c               |   5 +-
 drivers/devfreq/exynos-bus.c                       | 155 ++++---
 drivers/devfreq/imx8m-ddrc.c                       | 471 +++++++++++++++++++++
 drivers/devfreq/rk3399_dmc.c                       |  19 +-
 include/linux/devfreq.h                            |  29 +-
 16 files changed, 856 insertions(+), 132 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/memory-controllers/fsl/imx8m-ddrc.yaml
 create mode 100644 drivers/devfreq/imx8m-ddrc.c

Comments

Rafael J. Wysocki Jan. 17, 2020, 10:28 a.m. UTC | #1
On Fri, Jan 17, 2020 at 5:52 AM Chanwoo Choi <cw00.choi@samsung.com> wrote:
>
> Dear Rafael,
>
> This is devfreq-next pull request for v5.6-rc1. I add detailed description of
> this pull request on the following tag. Please pull devfreq with following updates.
> - tag name : devfreq-next-for-5.6
>
> Best Regards,
> Chanwoo Choi
>
>
> The following changes since commit fd6988496e79a6a4bdb514a4655d2920209eb85d:
>
>   Linux 5.5-rc4 (2019-12-29 15:29:16 -0800)
>
> are available in the Git repository at:
>
>   git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git tags/devfreq-next-for-5.6

Pulled, thanks!