linux-kernel - Re: [PATCH V1] mfd: pv88080: Expand driver for GPIO function support.

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Date:   Tue, 25 Oct 2016 07:40:40 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Eric Jeong <eric.jeong.opensource@...semi.com>
Cc:     Alexandre Courbot <gnurou@...il.com>,
        DEVICETREE <devicetree@...r.kernel.org>,
        LINUX-GPIO <linux-gpio@...r.kernel.org>,
        LINUX-KERNEL <linux-kernel@...r.kernel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Support Opensource <support.opensource@...semi.com>
Subject: Re: [PATCH V1] mfd: pv88080: Expand driver for GPIO function support.

On Tue, 25 Oct 2016, Eric Jeong wrote:

> 
> From: Eric Jeong <eric.jeong.opensource@...semi.com>
> 
> This patch adds support for the PV88080 PMIC.
> 
> This pathch is done as part of the existing PV88080 regulator driver
> by expanding the driver for GPIO function support.
> 
> The MFD core driver provides communication through the I2C interface.
> and contains the following components:
> 
>     - Regulators
>     - Configurable GPIOs
> 
> Kconfig and Makefile are updated to reflect support for PV88080 PMIC.
> 
> Signed-off-by: Eric Jeong <eric.jeong.opensource@...semi.com>
> 
> ---
> This patch applies against linux-next and next-20161024
> 
> Hi,
> 
> This change is made as a single patch. Because, to ensure that
> kernel builds and runs properly after this patch.
> 
> The regulator device driver for PV88080 IC is submitted to Linux kernel.
> And now, GPIO function is required. In order to add GPIO driver,
> MFD driver is also required.
> 
> Changes
>  - Add MFD driver.
>  - Add GPIO driver.
>  - Update regulator driver to reflect the support.
>  - Delete pv88080-regulator.h file.
>  - Move binding document to mfd directory.
>  
> Regards,
> Eric Jeong, Dialog Semiconductor Ltd.
> 
> 
>  Documentation/devicetree/bindings/mfd/pv88080.txt  |   63 +++++
>  .../devicetree/bindings/regulator/pv88080.txt      |   62 -----
>  drivers/gpio/Kconfig                               |   11 +
>  drivers/gpio/Makefile                              |    1 +
>  drivers/gpio/gpio-pv88080.c                        |  195 ++++++++++++++
>  drivers/mfd/Kconfig                                |   12 +
>  drivers/mfd/Makefile                               |    2 +
>  drivers/mfd/pv88080-core.c                         |  270 ++++++++++++++++++++
>  drivers/mfd/pv88080-i2c.c                          |   99 +++++++
>  drivers/regulator/Kconfig                          |    5 +-
>  drivers/regulator/pv88080-regulator.c              |  202 ++++++---------
>  drivers/regulator/pv88080-regulator.h              |  118 ---------
>  include/linux/mfd/pv88080.h                        |  236 +++++++++++++++++
>  13 files changed, 970 insertions(+), 306 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/mfd/pv88080.txt
>  delete mode 100644 Documentation/devicetree/bindings/regulator/pv88080.txt
>  create mode 100644 drivers/gpio/gpio-pv88080.c
>  create mode 100644 drivers/mfd/pv88080-core.c
>  create mode 100644 drivers/mfd/pv88080-i2c.c
>  delete mode 100644 drivers/regulator/pv88080-regulator.h
>  create mode 100644 include/linux/mfd/pv88080.h

You're going to need to split this patch up as much as possible.

No one is going to want to review a 1200 line patch.

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