linux-kernel - Re: [PATCH 05/26] mfd: ab8500-gpadc: Change to mdelay for greater resolution

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Date:	Mon, 28 Jan 2013 00:52:39 +0100
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	arnd@...db.de, linus.walleij@...ricsson.com,
	Jonas Aaberg <jonas.aberg@...ricsson.com>
Subject: Re: [PATCH 05/26] mfd: ab8500-gpadc: Change to mdelay for greater
 resolution

Hi Lee, Jonas,

On Tue, Jan 15, 2013 at 12:55:45PM +0000, Lee Jones wrote:
> From: Jonas Aaberg <jonas.aberg@...ricsson.com>
> 
> The resolution of msleep is related to HZ, so with HZ set to
> 100 any msleep of less than 10ms will become ~10ms.
usleep_range would be more appropriate, sleeping should be preferred over
spinning.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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