linux-kernel - Re: [PATCH 0/3] Replace bmp085 with bmp18x

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Message-ID: <20120229235217.494d49d8@pyramind.ukuu.org.uk>
Date:	Wed, 29 Feb 2012 23:52:17 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Eric Andersson <eric.andersson@...xphere.com>,
	linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
	christoph.mair@...il.com, stefan.nilsson@...xphere.com,
	zhengguang.guo@...ch-sensortec.com, peter.moeller@...bosch.com,
	Jonathan Cameron <jic23@....ac.uk>
Subject: Re: [PATCH 0/3] Replace bmp085 with bmp18x

On Wed, 29 Feb 2012 20:18:45 +0000
Arnd Bergmann <arnd@...db.de> wrote:

> On Wednesday 29 February 2012, Eric Andersson wrote:
> > This patch-set replaces the BMP085 driver with a driver for Bosch Sensortec's new
> > generation of pressure sensors called BMP18x. These pressure sensors can be
> > connected on I2C but also on SPI as a variant, so the driver implements both.
> > Register-wise they are fully compatible with the older BMP085, so the driver will
> > support those chips as well.
> > 
> > The driver is based on bmp085.c by Christoph Mair.
> 
> Hmm,  the implementation looks fine, but I don't think we should add support
> for new devices with a one-off interface that we know is getting replaced by
> something generic.
> 
> Why is this not using IIO for its user interface?

This is become a repeating problem

Either get the IIO layer out of staging (where it appears to have
congealed) or stop asking people to use it. IIO stuck in staging is
becoming a problem not a cure. It's creating uncertainty blocking lots of
stuff that needs to get upstream and that current stream is going to
become a tide post Android merging.

It needs resolving one way or the other and soon.

Alan
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