From: Roland Stigge <stigge@antcom.de>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, w.sang@pengutronix.de,
jbe@pengutronix.de, Bill Gatliff <bgat@billgatliff.com>,
Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Subject: Re: [PATCH RFC 1/2] gpio: Add a block GPIO API to gpiolib
Date: Fri, 28 Sep 2012 14:35:04 +0200 [thread overview]
Message-ID: <50659978.8010003@antcom.de> (raw)
In-Reply-To: <CACRpkdbEgBqSdZmebw+PBMo9G_Y24mgz17=dp11VrbKf5fKyDQ@mail.gmail.com>
Hi,
On 09/28/2012 01:34 PM, Linus Walleij wrote:
>> Or some kind of new character device node?
>
> Yes, I don't know if we should create /dev/gpioN or /dev/pinctrlN for
> this, and add GPIO functions to pinctrl (while wrapping it in the
> gpiolib to aid migration) the latter would encourage users of the
> new ABI to switch to writing pinctrl drivers.
Will have a look at this.
>> Otherwise, I need to think about leaving out the sysfs for this purpose.
>
> Do you really need it?
In more that half of the cases, I needed userspace access. So I'm quite
interested in it.
Thanks for your notes.
Roland
next prev parent reply other threads:[~2012-09-28 12:35 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-27 21:22 [PATCH RFC 1/2] gpio: Add a block GPIO API to gpiolib Roland Stigge
2012-09-27 21:22 ` [PATCH RFC 2/2] gpio-max730x: Add block GPIO API Roland Stigge
2012-09-28 2:47 ` [PATCH RFC 1/2] gpio: Add a block GPIO API to gpiolib Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 7:14 ` Roland Stigge
2012-09-28 7:51 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 8:51 ` Roland Stigge
2012-09-28 9:08 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 9:23 ` Roland Stigge
2012-09-28 10:28 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 11:32 ` Roland Stigge
2012-09-28 16:01 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 18:32 ` Roland Stigge
2012-09-29 19:57 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-30 10:34 ` Roland Stigge
2012-09-30 15:11 ` Stijn Devriendt
2012-09-28 9:14 ` Linus Walleij
2012-09-28 9:52 ` Roland Stigge
2012-09-28 11:34 ` Linus Walleij
2012-09-28 12:35 ` Roland Stigge [this message]
[not found] ` <CAOY=C6GG6jqqEAAGJjmDG-BFT2eq=9+ck+F_EOcthRgDCDv8=Q@mail.gmail.com>
2012-09-30 9:39 ` Stijn Devriendt
2012-09-30 10:50 ` Roland Stigge
2012-09-30 14:52 ` Stijn Devriendt
2012-09-30 15:09 ` Roland Stigge
2012-09-30 15:19 ` Stijn Devriendt
2012-09-30 15:46 ` Roland Stigge
2012-10-03 23:11 ` Linus Walleij
2012-10-03 23:07 ` Linus Walleij
2012-10-04 20:25 ` Roland Stigge
2012-10-03 19:08 ` Mark Brown
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