linux-kernel - Re: [PATCH v3 3/5] mfd: tps65912: Add driver for the TPS65912 PMIC

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Date:	Fri, 25 Sep 2015 22:24:46 +0100
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>,
	Mark Brown <broonie@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/5] mfd: tps65912: Add driver for the TPS65912 PMIC

On Fri, 25 Sep 2015, Andrew F. Davis wrote:

> On 09/25/2015 11:50 AM, Lee Jones wrote:
> >On Thu, 24 Sep 2015, Andrew F. Davis wrote:
> >
> >>This patch adds support for TPS65912 mfd device. It provides
> >>communication through the I2C and SPI interfaces. It contains
> >>the following components:
> >>
> >>  - Regulators
> >>  - GPIO controller
> >>
> >>Signed-off-by: Andrew F. Davis <afd@...com>
> >>---
> >>  drivers/mfd/Kconfig          |  24 +++
> >>  drivers/mfd/Makefile         |   3 +
> >>  drivers/mfd/tps65912-core.c  | 114 +++++++++++++
> >>  drivers/mfd/tps65912-i2c.c   |  86 ++++++++++
> >>  drivers/mfd/tps65912-spi.c   |  85 ++++++++++
> >>  include/linux/mfd/tps65912.h | 393 +++++++++++++++++++++++++++++++++++++++++++
> >>  6 files changed, 705 insertions(+)
> >>  create mode 100644 drivers/mfd/tps65912-core.c
> >>  create mode 100644 drivers/mfd/tps65912-i2c.c
> >>  create mode 100644 drivers/mfd/tps65912-spi.c
> >>  create mode 100644 include/linux/mfd/tps65912.h
> >
> >[...]
> >
> >>+#define TPS65912_IRQ(_name, _reg, _offset)			\
> >>+	[TPS65912_IRQ_ ## _name] = {				\
> >>+		.mask = TPS65912_ ## _reg ## _ ## _name,	\
> >>+		.reg_offset = _offset,				\
> >>+	}
> >
> >I told you about this already.
> >
> >If you want this set to be merged for v4.3 then you'll need commit
> >b4fe8ba ("regmap: Add generic macro to define regmap_irq") from my
> >tree.
> 
> You asked me to submit this to Mark Brown, I didn't realize you also
> wanted me to use the one in your tree. Using yours will make my lines
> over 80 chars and so it kind of defeats the purpose but I'll do it
> for v4.

I asked two of you to upstream a generic incarnation of your
implementation.  The other guy got there first.  Now I want everyone
to use it instead of hand-rolling their own.

> >[...]
> >
> >>+static struct i2c_driver tps65912_i2c_driver = {
> >>+	.driver		= {
> >>+		.name	= "tps65912",
> >>+		.of_match_table = tps65912_i2c_of_match_table,
> >
> >of_match_ptr()
> >
> 
> Why? tps65912_i2c_of_match_table is always compiled in.

But it needn't be.

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