From: stigge@antcom.de (Roland Stigge)
To: linux-arm-kernel@lists.infradead.org
Subject: [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
WARNING: multiple messages have this Message-ID (diff)
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: 58+ 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 ` Roland Stigge
2012-09-27 21:22 ` [PATCH RFC 2/2] gpio-max730x: Add block GPIO API Roland Stigge
2012-09-27 21:22 ` 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 2:47 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 7:14 ` Roland Stigge
2012-09-28 7:14 ` Roland Stigge
2012-09-28 7:51 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 7:51 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 8:51 ` Roland Stigge
2012-09-28 8:51 ` Roland Stigge
2012-09-28 9:08 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 9:08 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 9:23 ` Roland Stigge
2012-09-28 9:23 ` Roland Stigge
2012-09-28 10:28 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 10:28 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 11:32 ` Roland Stigge
2012-09-28 11:32 ` Roland Stigge
2012-09-28 16:01 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 16:01 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 18:32 ` Roland Stigge
2012-09-28 18:32 ` Roland Stigge
2012-09-29 19:57 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-29 19:57 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-30 10:34 ` Roland Stigge
2012-09-30 10:34 ` Roland Stigge
2012-09-30 15:11 ` Stijn Devriendt
2012-09-30 15:11 ` Stijn Devriendt
2012-09-28 9:14 ` Linus Walleij
2012-09-28 9:14 ` Linus Walleij
2012-09-28 9:52 ` Roland Stigge
2012-09-28 9:52 ` Roland Stigge
2012-09-28 11:34 ` Linus Walleij
2012-09-28 11:34 ` Linus Walleij
2012-09-28 12:35 ` Roland Stigge [this message]
2012-09-28 12:35 ` Roland Stigge
2012-09-30 9:35 ` Stijn Devriendt
2012-09-30 9:39 ` Stijn Devriendt
2012-09-30 10:50 ` Roland Stigge
2012-09-30 10:50 ` Roland Stigge
2012-09-30 14:52 ` Stijn Devriendt
2012-09-30 14:52 ` Stijn Devriendt
2012-09-30 15:09 ` Roland Stigge
2012-09-30 15:09 ` Roland Stigge
2012-09-30 15:19 ` Stijn Devriendt
2012-09-30 15:19 ` Stijn Devriendt
2012-09-30 15:46 ` Roland Stigge
2012-09-30 15:46 ` Roland Stigge
2012-10-03 23:11 ` Linus Walleij
2012-10-03 23:11 ` Linus Walleij
2012-10-03 23:07 ` Linus Walleij
2012-10-03 23:07 ` Linus Walleij
2012-10-04 20:25 ` Roland Stigge
2012-10-04 20:25 ` Roland Stigge
2012-10-03 19:08 ` Mark Brown
2012-10-03 19:08 ` Mark Brown
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=50659978.8010003@antcom.de \
--to=stigge@antcom.de \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.