Re: [PATCH 08/29] drm/amd/dal: I2C Aux Manager

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On Thu, Feb 11, 2016 at 12:19 PM, Harry Wentland <harry.wentland@xxxxxxx> wrote:
> Implements low-level communication layer over I2C and Aux lines using
> GPIO handles.

so without actually looking too closely at this rather large patch (in
a rather huge patchset)..  I do wonder, why not i2c_adapter?  Kernel
already has an implementation of that on top of gpio's..

BR,
-R

> Signed-off-by: Harry Wentland <harry.wentland@xxxxxxx>
> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/dal/dc/i2caux/Makefile         |  33 +
>  drivers/gpu/drm/amd/dal/dc/i2caux/aux_engine.c     | 567 ++++++++++++
>  drivers/gpu/drm/amd/dal/dc/i2caux/aux_engine.h     | 119 +++
>  .../amd/dal/dc/i2caux/dce110/aux_engine_dce110.c   | 788 +++++++++++++++++
>  .../amd/dal/dc/i2caux/dce110/aux_engine_dce110.h   |  56 ++
>  .../i2caux/dce110/i2c_generic_hw_engine_dce110.h   |  25 +
>  .../dal/dc/i2caux/dce110/i2c_hw_engine_dce110.c    | 954 +++++++++++++++++++++
>  .../dal/dc/i2caux/dce110/i2c_hw_engine_dce110.h    |  58 ++
>  .../dal/dc/i2caux/dce110/i2c_sw_engine_dce110.c    | 172 ++++
>  .../dal/dc/i2caux/dce110/i2c_sw_engine_dce110.h    |  43 +
>  .../drm/amd/dal/dc/i2caux/dce110/i2caux_dce110.c   | 266 ++++++
>  .../drm/amd/dal/dc/i2caux/dce110/i2caux_dce110.h   |  39 +
>  .../amd/dal/dc/i2caux/diagnostics/i2caux_diag.c    | 112 +++
>  .../amd/dal/dc/i2caux/diagnostics/i2caux_diag.h    |  33 +
>  drivers/gpu/drm/amd/dal/dc/i2caux/engine.h         | 129 +++
>  drivers/gpu/drm/amd/dal/dc/i2caux/engine_base.c    |  67 ++
>  drivers/gpu/drm/amd/dal/dc/i2caux/i2c_engine.c     | 121 +++
>  drivers/gpu/drm/amd/dal/dc/i2caux/i2c_engine.h     | 113 +++
>  .../drm/amd/dal/dc/i2caux/i2c_generic_hw_engine.c  | 286 ++++++
>  .../drm/amd/dal/dc/i2caux/i2c_generic_hw_engine.h  |  77 ++
>  drivers/gpu/drm/amd/dal/dc/i2caux/i2c_hw_engine.c  | 246 ++++++
>  drivers/gpu/drm/amd/dal/dc/i2caux/i2c_hw_engine.h  |  80 ++
>  drivers/gpu/drm/amd/dal/dc/i2caux/i2c_sw_engine.c  | 614 +++++++++++++
>  drivers/gpu/drm/amd/dal/dc/i2caux/i2c_sw_engine.h  |  81 ++
>  drivers/gpu/drm/amd/dal/dc/i2caux/i2caux.c         | 529 ++++++++++++
>  drivers/gpu/drm/amd/dal/dc/i2caux/i2caux.h         | 123 +++
>  26 files changed, 5731 insertions(+)
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/Makefile
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/aux_engine.c
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/aux_engine.h
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/dce110/aux_engine_dce110.c
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/dce110/aux_engine_dce110.h
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/dce110/i2c_generic_hw_engine_dce110.h
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/dce110/i2c_hw_engine_dce110.c
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/dce110/i2c_hw_engine_dce110.h
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/dce110/i2c_sw_engine_dce110.c
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/dce110/i2c_sw_engine_dce110.h
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/dce110/i2caux_dce110.c
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/dce110/i2caux_dce110.h
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/diagnostics/i2caux_diag.c
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/diagnostics/i2caux_diag.h
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/engine.h
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/engine_base.c
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/i2c_engine.c
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/i2c_engine.h
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/i2c_generic_hw_engine.c
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/i2c_generic_hw_engine.h
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/i2c_hw_engine.c
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/i2c_hw_engine.h
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/i2c_sw_engine.c
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/i2c_sw_engine.h
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/i2caux.c
>  create mode 100644 drivers/gpu/drm/amd/dal/dc/i2caux/i2caux.h
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