All of lore.kernel.org
 help / color / mirror / Atom feed
From: Andrew Morton <akpm@linux-foundation.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: felipe.balbi@nokia.com,
	Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Tony Lindgren <tony@atomide.com>,
	David Brownell <david-b@pacbell.net>,
	Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: Re: [PATCH 1/5] gpiolib: introduce set_debounce method
Date: Thu, 20 May 2010 12:16:52 -0700	[thread overview]
Message-ID: <20100520121652.cbcbb8b4.akpm@linux-foundation.org> (raw)
In-Reply-To: <20100520200417.5ec99735@lxorguk.ukuu.org.uk>

On Thu, 20 May 2010 20:04:17 +0100
Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:

> 
> > > +EXPORT_SYMBOL_GPL(gpio_set_debounce);
> > 
> > nitlet: I suspect this function is taking gpio_lock sooner than it
> > strictly needs to.  Find-tuning that would decrease contention by an
> > insignificant amount ;)
> 
> We need this for Intel MID boxes as well Andrew - so its a generic need.
> 

Thanks.

I'm still wobbling on the 35-vs-36 line.  Is that a big need or a
little need?  What user-visible problem does it solve, etc?

Did anyone test it on the MID boxes?

etc ;)

  reply	other threads:[~2010-05-20 19:17 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-17 10:02 [PATCH 0/6] teach gpiolib about gpio debouncing felipe.balbi
2010-05-17 10:02 ` [PATCH 1/5] gpiolib: introduce set_debounce method felipe.balbi
2010-05-20 18:06   ` Andrew Morton
2010-05-20 18:52     ` Felipe Balbi
2010-05-20 19:04     ` Alan Cox
2010-05-20 19:16       ` Andrew Morton [this message]
2010-05-20 20:51         ` Alan Cox
2010-05-20 19:45   ` Mark Brown
2010-05-20 22:50     ` David Brownell
2010-05-20 22:50       ` David Brownell
2010-05-21  6:49       ` Felipe Balbi
2010-05-21 10:11         ` Alan Cox
2010-05-21 13:14           ` David Brownell
2010-05-21 13:34             ` Alan Cox
2010-05-21 13:23         ` David Brownell
2010-05-21 13:23           ` David Brownell
2010-05-21 10:05     ` Alan Cox
2010-05-17 10:02 ` [PATCH 2/5] arm: omap: gpio: implement " felipe.balbi
2010-05-17 10:02 ` [PATCH 3/5] arm: omap: switch over to gpio_set_debounce felipe.balbi
2010-06-16 17:26   ` Grazvydas Ignotas
2010-06-17  4:45     ` Felipe Balbi
2010-06-20 17:03       ` Grazvydas Ignotas
2010-06-20 21:12         ` Felipe Balbi
2010-05-17 10:02 ` [PATCH 4/5] arm: omap: remove the unused omap_gpio_set_debounce methods felipe.balbi
2010-05-17 10:02 ` [PATCH 5/5] arm: omap: move all gpio defines to plat/gpio.h felipe.balbi
2010-05-17 10:08   ` Felipe Balbi
2010-05-20 18:04 ` [PATCH 0/6] teach gpiolib about gpio debouncing Andrew Morton
2010-05-20 18:55   ` Felipe Balbi

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=20100520121652.cbcbb8b4.akpm@linux-foundation.org \
    --to=akpm@linux-foundation.org \
    --cc=alan@lxorguk.ukuu.org.uk \
    --cc=broonie@opensource.wolfsonmicro.com \
    --cc=david-b@pacbell.net \
    --cc=felipe.balbi@nokia.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-omap@vger.kernel.org \
    --cc=tony@atomide.com \
    /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.