linux-kernel - Re: [PATCH v7 0/5] mfd: tps65912: Driver rewrite with DT support

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Date:	Tue, 24 Nov 2015 16:26:24 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	"Andrew F. Davis" <afd@...com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>, devicetree@...r.kernel.org,
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 0/5] mfd: tps65912: Driver rewrite with DT support

On Wed, 18 Nov 2015, Andrew F. Davis wrote:

> In an effort to cleanup this driver and add Device Tree support
> the driver has been rewritten based on new driver styles and
> modern kernel driver helpers. This has nearly halved the lines
> of code while keeping all previous functionality.
> 
> Platform file based initialization has been dropped as there is
> no examples of this use in the kernel.
> 
> v1 can be found here: [1] v2: [2] v3: [3] v4: [4] v5: [5] v6: [6]
> 
> Changes from v6:
>  - Removed compatible strings from DT sub-nodes
>  - Rearranged DT bindings
>  - Small fixes
> 
> Changes from v5:
>  - Small formatting changes to DT Docs
>  - Converted to_tps65912_gpio from macro to inline function
> 
> Changes from v4:
>  - Use mfd core to add sub-devices
> 
> Changes from v3:
>  - Reorganized regulator driver and related DT node
>  - Other small fixes as discussed in v3 thread
> 
> Changes from v2:
>  - Split the series further into subsystems
> 
> Changes from v1:
>  - Split the rewrite into delete/create patches
>  - Several small fixes as discussed in v1 thread
> 
> [1] http://www.spinics.net/lists/devicetree/msg93863.html
> [2] http://www.spinics.net/lists/devicetree/msg95003.html
> [3] http://www.spinics.net/lists/devicetree/msg95133.html
> [4] http://www.spinics.net/lists/devicetree/msg96109.html
> [5] http://www.spinics.net/lists/devicetree/msg100601.html
> [6] https://lkml.org/lkml/2015/10/30/690
> 
> Andrew F. Davis (5):
>   Documentation: tps65912: Add DT bindings for the TPS65912 PMIC
>   mfd: tps65912: Remove old driver in preparation for new driver
>   mfd: tps65912: Add driver for the TPS65912 PMIC
>   regulator: tps65912: Add regulator driver for the TPS65912 PMIC
>   gpio: tps65912: Add GPIO driver for the TPS65912 PMIC
> 
>  Documentation/devicetree/bindings/mfd/tps65912.txt |  50 ++
>  drivers/gpio/Kconfig                               |   2 +-
>  drivers/gpio/gpio-tps65912.c                       | 317 ++++-----
>  drivers/mfd/Kconfig                                |  20 +-
>  drivers/mfd/Makefile                               |   3 +-
>  drivers/mfd/tps65912-core.c                        | 290 ++++-----
>  drivers/mfd/tps65912-i2c.c                         | 219 +++----
>  drivers/mfd/tps65912-irq.c                         | 217 -------
>  drivers/mfd/tps65912-spi.c                         | 219 +++----
>  drivers/regulator/Kconfig                          |   2 +-
>  drivers/regulator/tps65912-regulator.c             | 710 +++++----------------
>  include/linux/mfd/tps65912.h                       | 208 +++---

Just waiting for the regulator Ack now, right?

>  12 files changed, 780 insertions(+), 1477 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/mfd/tps65912.txt
>  rewrite drivers/gpio/gpio-tps65912.c (74%)
>  rewrite drivers/mfd/tps65912-core.c (95%)
>  rewrite drivers/mfd/tps65912-i2c.c (93%)
>  delete mode 100644 drivers/mfd/tps65912-irq.c
>  rewrite drivers/mfd/tps65912-spi.c (92%)
>  rewrite drivers/regulator/tps65912-regulator.c (94%)
> 
> -- 
> 1.9.1
> 

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