Re: [PATCH v21 0/5] add power control in i2c

From: Hsin-Yi Wang
Date: Thu May 20 2021 - 08:15:05 EST


On Fri, May 7, 2021 at 9:14 PM Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx> wrote:
>
> Although in the most platforms, the power of eeprom
> and i2c are alway on, some platforms disable the
> eeprom and i2c power in order to meet low power request.
>
> This patch add the pm_runtime ops to control power to
> support all platforms.
>

Hi maintainers,

Gentle ping on the thread. (the 4th patch is already picked) Thanks.

> Changes since v20:
> - fix regulator check logic in suspend/resume.
>
> Changes since v19:
> - resend v19 with fix tag added.
>
> Changes since v18:
> - Fix a function name conflict with drivers/gpu/drm/i915/selftests/i915_gem.c
>
> Changes since v17:
> - Add a patch to fix unbalanced regulator disabling.
> - Add dts patch.
>
> Changes since v16:
> - request regulator in device instead of in the core.
> - control regulator only if it's provided.
>
> Changes since v15:
> - Squash the fix[1] for v15.
> [1] https://patchwork.ozlabs.org/project/linux-i2c/patch/20200522101327.13456-1-m.szyprowski@xxxxxxxxxxx/
>
> Changes since v14:
> - change the return value in normal condition
> - access the variable after NULL pointer checking
> - add ack tag
>
> Changes since v13:
> - fixup some logic error
>
> Changes since v12:
> - rebase onto v5.7-rc1
> - change the property description in binding
>
> Changes since v11:
> - use suspend_late/resume_early instead of suspend/resume
> - rebase onto v5.6-rc1
>
> Changes since v10:
> - fixup some worng codes
>
> Changes since v9:
> - fixup build error
> - remove redundant code
>
> Changes since v8:
> - fixup some wrong code
> - remove redundant message
>
> [... snip ...]
>
>
> Bibby Hsieh (1):
> i2c: core: support bus regulator controlling in adapter
>
> Hsin-Yi Wang (4):
> dt-binding: i2c: mt65xx: add vbus-supply property
> i2c: mediatek: mt65xx: add optional vbus-supply
> misc: eeprom: at24: check suspend status before disable regulator
> arm64: dts: mt8183: add supply name for eeprom
>
> .../devicetree/bindings/i2c/i2c-mt65xx.txt | 1 +
> .../dts/mediatek/mt8183-kukui-kakadu.dtsi | 4 +
> .../dts/mediatek/mt8183-kukui-kodama.dtsi | 4 +
> .../boot/dts/mediatek/mt8183-kukui-krane.dtsi | 4 +
> drivers/i2c/busses/i2c-mt65xx.c | 7 ++
> drivers/i2c/i2c-core-base.c | 95 +++++++++++++++++++
> drivers/misc/eeprom/at24.c | 6 +-
> include/linux/i2c.h | 2 +
> 8 files changed, 121 insertions(+), 2 deletions(-)
>
> --
> 2.31.1.607.g51e8a6a459-goog
>