From: Laxman Dewangan <ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
To: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Grant Likely
<grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>,
"dunlap-/UHa2rfvQTnk1uMJSBkQmQ@public.gmane.org"
<dunlap-/UHa2rfvQTnk1uMJSBkQmQ@public.gmane.org>,
"lrg-l0cyMroinI0@public.gmane.org"
<lrg-l0cyMroinI0@public.gmane.org>,
"broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org"
<broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>,
"linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH V1 2/3] Documentation: gpio: Add details of open-drain configuration
Date: Fri, 17 Feb 2012 16:00:58 +0530 [thread overview]
Message-ID: <4F3E2C62.2040708@nvidia.com> (raw)
In-Reply-To: <CACRpkdaFyxU-gq5ETnNc4LonTo98PbUs09CmvsPUqzyt0Mg2Cg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Friday 17 February 2012 01:30 AM, Linus Walleij wrote:
> On Thu, Feb 16, 2012 at 9:28 AM, Laxman Dewangan<ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> wrote:
>
>> Yes, I can add the open source also but like to be in incremental change.
>> Not together with open drain.
>> We can go with:
>> - open drain core driver support.
>> - open drain sysfs interface support
>> - open source core driver support
>> - open source sysfs interface.
>>
>> I have already changes for the first 2 which we can review/apply,
>> Meanwhile I will work on open source support.
>>
>> Does it look good?
> Well as a patch concept it is OK but I have real bad feelings about
> patch [2/4] and [4/4] adding sysfs.
>
> What the GPIO subsystem really needs is to get rid of sysfs
> interfaces, have them deprecated and replaced with a
> per-gpiochip /dev/gpioN with ioctl()s or similar instead. The sysfs
> interface is just ... it won't scale.
>
Wow, then I will not add 2/4 and 4/4.
> Yours,
> Linus Walleij
WARNING: multiple messages have this Message-ID (diff)
From: Laxman Dewangan <ldewangan@nvidia.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>,
"dunlap@xenotime.net" <dunlap@xenotime.net>,
"lrg@ti.com" <lrg@ti.com>,
"broonie@opensource.wolfsonmicro.com"
<broonie@opensource.wolfsonmicro.com>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
Stephen Warren <swarren@nvidia.com>
Subject: Re: [PATCH V1 2/3] Documentation: gpio: Add details of open-drain configuration
Date: Fri, 17 Feb 2012 16:00:58 +0530 [thread overview]
Message-ID: <4F3E2C62.2040708@nvidia.com> (raw)
In-Reply-To: <CACRpkdaFyxU-gq5ETnNc4LonTo98PbUs09CmvsPUqzyt0Mg2Cg@mail.gmail.com>
On Friday 17 February 2012 01:30 AM, Linus Walleij wrote:
> On Thu, Feb 16, 2012 at 9:28 AM, Laxman Dewangan<ldewangan@nvidia.com> wrote:
>
>> Yes, I can add the open source also but like to be in incremental change.
>> Not together with open drain.
>> We can go with:
>> - open drain core driver support.
>> - open drain sysfs interface support
>> - open source core driver support
>> - open source sysfs interface.
>>
>> I have already changes for the first 2 which we can review/apply,
>> Meanwhile I will work on open source support.
>>
>> Does it look good?
> Well as a patch concept it is OK but I have real bad feelings about
> patch [2/4] and [4/4] adding sysfs.
>
> What the GPIO subsystem really needs is to get rid of sysfs
> interfaces, have them deprecated and replaced with a
> per-gpiochip /dev/gpioN with ioctl()s or similar instead. The sysfs
> interface is just ... it won't scale.
>
Wow, then I will not add 2/4 and 4/4.
> Yours,
> Linus Walleij
next prev parent reply other threads:[~2012-02-17 10:30 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-13 6:29 [PATCH V1 0/3] Support for open drain gpios in gpilib/fixed regulators Laxman Dewangan
2012-02-13 6:29 ` Laxman Dewangan
2012-02-13 6:29 ` [PATCH V1 1/3] gpio: gpiolib: Support for open drain gpios Laxman Dewangan
2012-02-13 6:29 ` [PATCH V1 2/3] Documentation: gpio: Add details of open-drain configuration Laxman Dewangan
2012-02-13 21:18 ` Grant Likely
2012-02-13 22:06 ` Mark Brown
2012-02-14 8:59 ` Laxman Dewangan
[not found] ` <20120213211809.GI11077-e0URQFbLeQY2iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2012-02-14 9:16 ` Laxman Dewangan
2012-02-14 9:16 ` Laxman Dewangan
2012-02-15 22:25 ` Linus Walleij
2012-02-16 8:28 ` Laxman Dewangan
2012-02-16 20:00 ` Linus Walleij
[not found] ` <CACRpkdaFyxU-gq5ETnNc4LonTo98PbUs09CmvsPUqzyt0Mg2Cg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-02-17 10:30 ` Laxman Dewangan [this message]
2012-02-17 10:30 ` Laxman Dewangan
[not found] ` <1329114588-15430-1-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-02-13 6:29 ` [PATCH V1 3/3] regulator: fixed: Support for open-drain gpio Laxman Dewangan
2012-02-13 6:29 ` Laxman Dewangan
2012-02-13 20:02 ` [PATCH V1 0/3] Support for open drain gpios in gpilib/fixed regulators Linus Walleij
2012-02-13 20:02 ` Linus Walleij
2012-02-13 22:10 ` Mark Brown
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