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From: slash.tmp@free.fr (Mason)
To: linux-arm-kernel@lists.infradead.org
Subject: Guarantee udelay(N) spins at least N microseconds
Date: Sat, 11 Apr 2015 15:45:29 +0200	[thread overview]
Message-ID: <55292579.1070903@free.fr> (raw)
In-Reply-To: <20150411121049.GM12732@n2100.arm.linux.org.uk>

On 11/04/2015 14:10, Russell King - ARM Linux wrote:

> What this also means is that if you only have a 90kHz counter
> available, doing DVFS is also a stupid idea.

I must be missing something, because I don't see why DVFS
(i.e. saving energy when the system is idle) is a stupid
idea when only a 90 kHz counter is available?

What's the connection?

      reply	other threads:[~2015-04-11 13:45 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-10 11:25 Guarantee udelay(N) spins at least N microseconds Mason
2015-04-10 11:42 ` Willy Tarreau
2015-04-10 14:53   ` Mason
2015-04-10 15:06     ` Willy Tarreau
2015-04-10 11:44 ` Russell King - ARM Linux
2015-04-10 12:41   ` Mason
2015-04-10 15:06     ` Russell King - ARM Linux
2015-04-10 15:30       ` Mason
2015-04-10 16:08         ` Russell King - ARM Linux
2015-04-10 20:01           ` Mason
2015-04-10 20:42             ` Russell King - ARM Linux
2015-04-10 21:22               ` Mason
2015-04-11  7:30                 ` Russell King - ARM Linux
2015-04-11 11:57                   ` Mason
2015-04-11 12:10                     ` Russell King - ARM Linux
2015-04-11 13:45                       ` Mason [this message]

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