linux-kernel - Re: [PATCH 1/5] gpiolib: introduce set

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Message-ID: <20100520200417.5ec99735@lxorguk.ukuu.org.uk>
Date:	Thu, 20 May 2010 20:04:17 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	felipe.balbi@...ia.com,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Tony Lindgren <tony@...mide.com>,
	David Brownell <david-b@...bell.net>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: Re: [PATCH 1/5] gpiolib: introduce set_debounce method


> > +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.

Alan

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