linux-kernel - [RFC PATCH 0/3] Add new reg_update

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Date:   Thu,  9 Apr 2020 16:57:56 +0800
From:   Baolin Wang <baolin.wang7@...il.com>
To:     lee.jones@...aro.org, arnd@...db.de, broonie@...nel.org
Cc:     orsonzhai@...il.com, zhang.lyra@...il.com, baolin.wang7@...il.com,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH 0/3] Add new reg_update_bits() support

The Spreadtrum platform uses a special set/clear method to update
registers' bits, thus this patch set introduces a new reg_update_bits()
callback, as well as adding a helper in syscon driver to support
this feature.

Any comments are welcome. Thanks.

Baolin Wang (3):
  mfd: syscon: Add reg_update_bits() callback support
  regmap: Add reg_update_bits() support
  soc: sprd: Add Spreadtrum special bits updating support

 drivers/base/regmap/regmap-mmio.c | 29 +++++++++++++++++++++-
 drivers/base/regmap/regmap.c      |  1 +
 drivers/mfd/syscon.c              | 10 ++++++++
 drivers/soc/Kconfig               |  1 +
 drivers/soc/Makefile              |  1 +
 drivers/soc/sprd/Kconfig          | 16 ++++++++++++
 drivers/soc/sprd/Makefile         |  2 ++
 drivers/soc/sprd/sprd_syscon.c    | 51 +++++++++++++++++++++++++++++++++++++++
 include/linux/mfd/syscon.h        |  8 ++++++
 include/linux/regmap.h            |  4 +++
 10 files changed, 122 insertions(+), 1 deletion(-)
 create mode 100644 drivers/soc/sprd/Kconfig
 create mode 100644 drivers/soc/sprd/Makefile
 create mode 100644 drivers/soc/sprd/sprd_syscon.c

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1.9.1