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: Thu, 04 Oct 2012 22:25:48 +0200 [thread overview]
Message-ID: <506DF0CC.9000202@antcom.de> (raw)
In-Reply-To: <CACRpkdYGePft_XvhhoNyRfBm484FD46WGagivQzjh5-OE3VJUA@mail.gmail.com>
Hi,
On 04/10/12 01:07, Linus Walleij wrote:
>> What do others think? JC? Linus? I'm considering this (unsigned int
>> data) a valid option.
>
> I think we mostly use an unsigned long for such stuff as IRQ flags
> and ioctl() parameters in the kernel.
>
> In this case it has the upside that it will be 32bit on 32bit systems
> and 64bit on 64bit systems if I'm not mistaken.
Fine. Will try to prepare a patch tomorrow, including fallback to single
GPIO handling (if the driver doesn't implement block operations) and
omitting the sysfs interface in the first patch.
Roland
WARNING: multiple messages have this Message-ID (diff)
From: Roland Stigge <stigge@antcom.de>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Stijn Devriendt <highguy@gmail.com>,
grant.likely@secretlab.ca, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, w.sang@pengutronix.de,
jbe@pengutronix.de,
Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>,
bgat@billgatliff.com,
Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: Re: [PATCH RFC 1/2] gpio: Add a block GPIO API to gpiolib
Date: Thu, 04 Oct 2012 22:25:48 +0200 [thread overview]
Message-ID: <506DF0CC.9000202@antcom.de> (raw)
In-Reply-To: <CACRpkdYGePft_XvhhoNyRfBm484FD46WGagivQzjh5-OE3VJUA@mail.gmail.com>
Hi,
On 04/10/12 01:07, Linus Walleij wrote:
>> What do others think? JC? Linus? I'm considering this (unsigned int
>> data) a valid option.
>
> I think we mostly use an unsigned long for such stuff as IRQ flags
> and ioctl() parameters in the kernel.
>
> In this case it has the upside that it will be 32bit on 32bit systems
> and 64bit on 64bit systems if I'm not mistaken.
Fine. Will try to prepare a patch tomorrow, including fallback to single
GPIO handling (if the driver doesn't implement block operations) and
omitting the sysfs interface in the first patch.
Roland
next prev parent reply other threads:[~2012-10-04 20:25 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
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 [this message]
2012-10-04 20:25 ` Roland Stigge
2012-10-03 19:08 ` Mark Brown
2012-10-03 19:08 ` Mark Brown
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