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From: Roland Stigge <stigge@antcom.de>
To: Stijn Devriendt <highguy@gmail.com>
Cc: gregkh@linuxfoundation.org, grant.likely@secretlab.ca,
	linus.walleij@linaro.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, w.sang@pengutronix.de,
	jbe@pengutronix.de, plagnioj@jcrosoft.com,
	broonie@opensource.wolfsonmicro.com, daniel-gl@gmx.net,
	rmallon@gmail.com, sr@denx.de, wg@grandegger.com,
	tru@work-microwave.de, mark.rutland@arm.com
Subject: Re: [PATCH RESEND 1/6 v13] gpio: Add a block GPIO API to gpiolib
Date: Fri, 18 Jan 2013 14:18:23 +0100	[thread overview]
Message-ID: <50F94B9F.7020908@antcom.de> (raw)
In-Reply-To: <CAOY=C6EE1yxjxUR6XvxW5tbY8FPBeO2Nqo6wMeD5R3zAVYD+Ag@mail.gmail.com>

Hi Stijn,

On 01/18/2013 01:13 PM, Stijn Devriendt wrote:
> Hi Roland,
> 
> This mail has been long overdue due to issues with some internal
> permission-tool.
> Just to be clear, this is not a competing implementation, it's what we
> currently use as-is. I'm just posting this as a reference to see if
> perhaps more concepts could be reused. It's based on a 2.6.32 kernel.
> 
> It includes:
> - labels in sysfs (to provide useful names to userspace)
> - gpio group support
> - exporting individual/groups of gpios dictated by platform-data or device-tree
> - open-drain support (different from mainline)
> - examplary support for multi-gpio to pcf8575 driver
> - gpio_direction_output_keep() function that prevents toggling when
> changing direction
> 
> Provided-as-is-by: Stijn Devriendt <sdevrien@cisco.com>

Thanks for posting.

Except for open-drain support, everything in the above list is supported
in the last posted version of block GPIO.

So please tell if there are certain details you would like to discuss
about or need an alternative implementation.

Thanks in advance,

Roland

  reply	other threads:[~2013-01-18 13:18 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-15 11:51 [PATCH RESEND 0/6 v13] gpio: Add block GPIO Roland Stigge
2013-01-15 11:51 ` [PATCH RESEND 1/6 v13] gpio: Add a block GPIO API to gpiolib Roland Stigge
2013-01-18 12:13   ` Stijn Devriendt
2013-01-18 13:18     ` Roland Stigge [this message]
2013-02-15 13:16     ` Grant Likely
2013-02-15 14:47   ` Grant Likely
2013-02-15 16:34   ` Grant Likely
2013-01-15 11:51 ` [PATCH RESEND 2/6 v13] gpio: Add sysfs support to block GPIO API Roland Stigge
2013-02-15 21:50   ` Grant Likely
2013-01-15 11:51 ` [PATCH RESEND 3/6 v13] gpio: Add userland device interface to block GPIO Roland Stigge
2013-01-15 11:51 ` [PATCH RESEND 4/6 v13] gpiolib: Fix default attributes for class Roland Stigge
2013-02-15 22:55   ` Grant Likely
2013-01-15 11:51 ` [PATCH RESEND 5/6 v13] gpio: Add device tree support to block GPIO API Roland Stigge
2013-01-15 11:51 ` [PATCH RESEND 6/6 v13] gpio: Add block gpio to several gpio drivers Roland Stigge
2013-01-15 13:18   ` Nicolas Ferre
2013-01-15 13:30     ` Roland Stigge

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