From: Roland Stigge <stigge@antcom.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
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, highguy@gmail.com,
broonie@opensource.wolfsonmicro.com, daniel-gl@gmx.net,
rmallon@gmail.com, tru@work-microwave.de, sr@denx.de,
wg@grandegger.com
Subject: Re: [PATCH 0/6 v10] gpio: Add block GPIO
Date: Fri, 07 Dec 2012 13:16:33 +0100 [thread overview]
Message-ID: <50C1DE21.8050709@antcom.de> (raw)
In-Reply-To: <50C1DBD4.1040007@antcom.de>
On 12/07/2012 01:06 PM, Roland Stigge wrote:
> On 12/07/2012 11:36 AM, Alan Cox wrote:
>>> * Device interface for userland access (alternative to sysfs)
>>
>> Currently we can set different permissions on different GPIO lines. Your
>> driver change drives a truck through this facility.
What I maybe misread in your concern: The dev interface is actually an
"alternative to sysfs for block GPIO", not considered as a replacement
for the current sysfs interface for _single_ GPIOs.
The fate of the latter one can be discussed separately.
Also, the sysfs interface for block GPIO can be left out of my patch
series, if necessary.
Roland
next prev parent reply other threads:[~2012-12-07 12:16 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-06 21:47 [PATCH 0/6 v10] gpio: Add block GPIO Roland Stigge
2012-12-06 21:47 ` [PATCH 1/6 v10] gpio: Add a block GPIO API to gpiolib Roland Stigge
2012-12-06 21:47 ` [PATCH 2/6 v10] gpio: Add sysfs support to block GPIO API Roland Stigge
2012-12-06 21:47 ` [PATCH 3/6 v10] gpio: Add userland device interface to block GPIO Roland Stigge
2012-12-06 21:47 ` [PATCH 4/6 v10] gpiolib: Fix default attributes for class Roland Stigge
2012-12-06 21:47 ` [PATCH 5/6 v10] gpio: Add device tree support to block GPIO API Roland Stigge
2012-12-06 21:47 ` [PATCH 6/6 v10] gpio: Add block gpio to several gpio drivers Roland Stigge
2012-12-07 10:36 ` [PATCH 0/6 v10] gpio: Add block GPIO Alan Cox
2012-12-07 12:06 ` Roland Stigge
2012-12-07 12:16 ` Roland Stigge [this message]
2012-12-07 17:02 ` Alan Cox
2012-12-07 17:33 ` Roland Stigge
2012-12-07 21:28 ` Alan Cox
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