[PATCH v3 2/5] mfd: add bcm590xx pmu driver

[Lee Jones]

> Add a driver for the BCM590xx PMU multi-function devices. The driver
> initially supports regmap initialization and instantiation of the
> voltage regulator device function of the PMU.
> 
> Signed-off-by: Matt Porter <mporter at linaro.org>
> Reviewed-by: Tim Kryger <tim.kryger at linaro.org>
> Reviewed-by: Markus Mayer <markus.mayer at linaro.org>
> ---
>  drivers/mfd/Kconfig          |  8 ++++
>  drivers/mfd/Makefile         |  1 +
>  drivers/mfd/bcm590xx.c       | 93 ++++++++++++++++++++++++++++++++++++++++++++
>  include/linux/mfd/bcm590xx.h | 31 +++++++++++++++
>  4 files changed, 133 insertions(+)
>  create mode 100644 drivers/mfd/bcm590xx.c
>  create mode 100644 include/linux/mfd/bcm590xx.h

I have a tiny nit that 'ret' doesn't need to be initialised before
use in probe(), but apart from that...

Looks pretty sensible:
  Acked-by: Lee Jones <lee.jones at linaro.org>

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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