Subject: [PATCH] regulator: anatop: improve precision of delay time

From: [email-masked] (Mark Brown)
Date: Fri, 8 Feb 2013 11:15:25 +0000

On Mon, Feb 04, 2013 at 10:21:32AM +0800, Shawn Guo wrote:
> For cpufreq example, it takes 13 steps (25 mV for one step) to increase
> vddcore from 0.95 V to 1.275 V, and the time of 64 clock cycles at
> 24 MHz for one step is ~2.67 uS, so the total delay time would be
> ~34.71 uS.  But the current calculation in the driver gives 39 uS.
> Change the formula to have the addition of 1 be the last step, so that
> we can get a more precise delay time.  For example above, the new
> formula will give 35 uS.

Applied, thanks.
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