Re: [PATCH v2 1/7] iio: imu: mpu6050: add support for regulator framework

[Rob Herring <robh@kernel.org>]

On Tue, Jul 17, 2018 at 04:41:52AM -0400, Brian Masney wrote:
> This patch adds support for the regulator framework to the mpu6050
> driver.
> 
> Signed-off-by: Brian Masney <masneyb@onstation.org>
> Signed-off-by: Jonathan Marek <jonathan@marek.ca>
> ---
> Changes since v1:
> - Use devm_regulator_get() instead of devm_regulator_get_optional()
> - Use devm_add_action() for cleaning up the regulator.
> - Correct ordering of resume code.
> - Add regulator_enabled flag to ensure regulator is not disabled twice,
>   specifically the case where the device is suspended and then the
>   driver is removed.
> 
> Original extra changelog from v1:
> 
> This is a variation of Jonathan Marek's patch from postmarketOS
> https://gitlab.com/postmarketOS/linux-postmarketos/commit/b8ad1ec1859c8bbcbce94944b3f4dd68f8f9fc37
> with the following changes:
> 
> - Stripped out 6515 variant code.
> - Add the regulator to the mpu core instead of only the i2c variant.
> - Add error handling.
> - Release the regulator on suspend, device remove, etc.
> - Device tree documentation.
> 
>  .../bindings/iio/imu/inv_mpu6050.txt          |  1 +

Acked-by: Rob Herring <robh@kernel.org>

>  drivers/iio/imu/inv_mpu6050/inv_mpu_core.c    | 73 +++++++++++++++++++
>  drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h     |  3 +
>  3 files changed, 77 insertions(+)