From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eva Rachel Retuya <eraretuya-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH v3 4/4] iio: accel: adxl345: Add SPI support
Date: Fri, 24 Feb 2017 17:12:33 +0800
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To: Andy Shevchenko <andy.shevchenko-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Lars-Peter Clausen <lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>, Jonathan Cameron <jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Hartmut Knaack <knaack.h-Mmb7MZpHnFY@public.gmane.org>, Peter Meerwald <pmeerw-jW+XmwGofnusTnJN9+BGXg@public.gmane.org>, Dmitry Torokhov <dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Michael Hennerich <michael.hennerich-OyLXuOCK7orQT0dZR+AlfA@public.gmane.org>, Daniel Baluta <daniel.baluta-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Alison Schofield <amsfield22-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Florian Vaussard <florian.vaussard-EWQkb/GNqlFyDzI6CaY1VQ@public.gmane.org>, "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>, devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
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On Thu, Feb 23, 2017 at 06:58:12PM +0200, Andy Shevchenko wrote:
> On Thu, Feb 23, 2017 at 6:47 PM, Lars-Peter Clausen <lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org> wrote:
> > On 02/23/2017 05:43 PM, Andy Shevchenko wrote:
> >> On Wed, Feb 22, 2017 at 12:23 PM, Eva Rachel Retuya <eraretuya-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> >>> Add SPI driver that initializes SPI regmap for the adxl345 core driver.
> >>> The driver supports the same functionality as I2C namely the x, y, z and
> >>> scale readings.
> 
> >>>  config ADXL345_I2C
> >>>         tristate
> >>>         select REGMAP_I2C
> >>>
> >>> +config ADXL345_SPI
> >>> +       tristate
> >>> +       select REGMAP_SPI
> >>
> >> Hmm...
> >> I saw another pattern
> >>
> >> Library / core part is non-visible to user, while
> >> SPI and I2C parts are selectable by user.
> >>
> >> Why do you use inverted pattern? What did I miss?
> >
> > The first version of the patch used the other pattern SPI/I2C visible.
> > Jonathan suggested this other pattern. I prefer the explicit SPI/I2C visible
> > pattern, but in the end it doesn't really matter as long as both work.
> 
> Yes, but this pattern makes extra footprint of the kernel and
> basically dead code when I would like, for example, to have SPI bus
> enabled, I2C module available, but SPI module not compiled.
> 
> Other one is when I want to have one compiled in, one as a module by
> whatever reason.
> 
> At the end I have no strong opinion, though rationale for the opposite is above.
> 

Hello Lars and Andy,

I'll revert to the explicit SPI/I2C pattern in order to give more
freedom in configuring as per the scenarios previously stated.

Thanks,
Eva

> -- 
> With Best Regards,
> Andy Shevchenko
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