linux-kernel - [PATCH v16 0/2] add power control in i2c

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Date:   Mon,  8 Mar 2021 12:36:05 +0800
From:   Hsin-Yi Wang <hsinyi@...omium.org>
To:     Wolfram Sang <wsa@...nel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        linux-i2c@...r.kernel.org
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Bibby Hsieh <bibby.hsieh@...iatek.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: [PATCH v16 0/2] add power control in i2c

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.

Changes since v15:
 - Squash the fix[1] for v15.
[1] https://patchwork.ozlabs.org/project/linux-i2c/patch/20200522101327.13456-1-m.szyprowski@samsung.com/

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 (2):
  dt-binding: i2c: add bus-supply property
  i2c: core: support bus regulator controlling in adapter

 Documentation/devicetree/bindings/i2c/i2c.txt |  3 +
 drivers/i2c/i2c-core-base.c                   | 93 +++++++++++++++++++
 include/linux/i2c.h                           |  2 +
 3 files changed, 98 insertions(+)

-- 
2.30.1.766.gb4fecdf3b7-goog