linux-kernel - Re: [PATCH-v5 1/5] Documentation: binding: add new property 'disable_after

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Date:	Wed, 5 Aug 2015 10:20:11 -0400
From:	Matt Porter <mporter@...sulko.com>
To:	Vaibhav Hiremath <vaibhav.hiremath@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	wsa@...-dreams.de, linux-kernel@...r.kernel.org,
	linux-i2c@...r.kernel.org, robert.jarzmik@...e.fr
Subject: Re: [PATCH-v5 1/5] Documentation: binding: add new property
 'disable_after_xfer' to i2c-pxa

On Wed, Aug 05, 2015 at 12:04:25PM +0530, Vaibhav Hiremath wrote:
> 
> 
> On Monday 27 July 2015 07:39 PM, Matt Porter wrote:
> >On Tue, Jul 21, 2015 at 06:11:02PM +0530, Vaibhav Hiremath wrote:
> >>Driver will now supports enable/disable across msg xfer, which user
> >>can control it by new DT property -
> >>
> >>i2c-disable-after-xfer : If set, driver will disable I2C module after msg
> >>  xfer and enable it back before xfer.
> >
> >If this is a new property specific to this Marvell part, it needs
> >the vendor prefix as in mrvl,i2c-disable-after-xfer
> >
> 
> We discussed about this, I think in V1 or V2. Decided to use generic
> name, as feature (in turn property) could be used by other drivers as
> well.

Ahh, ok, thanks...coming in too late on this one. :)

> >Or, it couldn't hurt to start an i2c.txt for generic i2c bindings
> >and store it there as this and others later in this series would
> >reasonably apply to other controllers.
> >
> 
> Yeah, we could start i2c.txt, probably better to have separate new
> patch all together.

Great, yes, I've always found it hard to follow i2c generic bindings
since they aren't defined in a clear place like other similar hardware
(e.g. SPI).

-Matt
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