linux-kernel - Re: [PATCH V10 2/6] mfd: max77620: add core driver for MAX77620/MAX20024

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Date:	Wed, 27 Apr 2016 17:06:00 +0200
From:	Thierry Reding <treding@...dia.com>
To:	Laxman Dewangan <ldewangan@...dia.com>
CC:	<lee.jones@...aro.org>, <linus.walleij@...aro.org>,
	<robh+dt@...nel.org>, <mark.rutland@....com>, <gnurou@...il.com>,
	<linux-kernel@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <ijc+devicetree@...lion.org.uk>,
	<swarren@...dia.com>, Mallikarjun Kasoju <mkasoju@...dia.com>
Subject: Re: [PATCH V10 2/6] mfd: max77620: add core driver for
 MAX77620/MAX20024

On Wed, Mar 30, 2016 at 07:59:44PM +0530, Laxman Dewangan wrote:
> MAX77620/MAX20024 are Power Management IC from the MAXIM.
> It supports RTC, multiple GPIOs, multiple DCDC and LDOs,
> watchdog, clock etc.
> 
> Add MFD drier to provides common support for accessing the
> device; additional drivers is developed on respected subsystem
> in order to use the functionality of the device.
> 
> Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>
> Signed-off-by: Mallikarjun Kasoju <mkasoju@...dia.com>
> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> 
> ---
> Changes from V1:
> - Code cleanups per review from V1.
> - Move register acccess APIs from header to c file.
> - Remove some of non required variable, remove duplication in error message
>  and simplify some of function implementation.
> - Register RTC driver such that it can get the regmap handle form parent device
> 
> Changes from V2:
> - Run coccicheck and checkpatch in strict mode for the alignment.
> - Drop RTC driver and its i2c client registration.
> 
> Changes from V3:
> - Change all sys initcall to module driver.
> - change the max77620_read argument to unisgned int from u8.
> 
> Changes from V4:
> - Take care of fps nodes.
> - Drop the battery charger and low battery binding and related code as
>   it need to go on power driver.
> 
> Changes from V5:
> -None
> 
> Changes from V6:
> - Taken care of Lee's comment like used defines for irqs, remove max77620
>   register accesss abstractions, remove DTof module and use ID table only,
>   reduce the copyright lines.
> - Drop configuration for hard power off time chnage as it will be in
>   power driver.
> - Use direct regmap from all drivers instead of using abstractions.
> - This depends on patch
> 
> Change from V7:
> - Use MFD defines for making mfd cells.
> - Use new property name.
> 
> Changes from V8:
> - Remove the usage of MFD defines. Remove mutex_config as not needed.
> 
> Changes from V9:
> - Use the devm_regmap_add_irq_chip() for irq registration.
> 
>  drivers/mfd/Kconfig          |  15 ++
>  drivers/mfd/Makefile         |   1 +
>  drivers/mfd/max77620.c       | 544 +++++++++++++++++++++++++++++++++++++++++++
>  include/linux/mfd/max77620.h | 337 +++++++++++++++++++++++++++
>  4 files changed, 897 insertions(+)
>  create mode 100644 drivers/mfd/max77620.c
>  create mode 100644 include/linux/mfd/max77620.h

Lee,

Were you going to pick this up along with the corresponding DT bindings?

Thierry

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