linux-kernel - Re: [patch 2.6.28-rc2] atmel_serial: keep clock off when it's not needed

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Message-ID: <cd73a99e0810281141ief64433u85a55d045346d3fd@mail.gmail.com>
Date:	Tue, 28 Oct 2008 20:41:00 +0200
From:	"Andrew Victor" <avictor.za@...il.com>
To:	"David Brownell" <david-b@...bell.net>
Cc:	"Haavard Skinnemoen" <haavard.skinnemoen@...el.com>,
	lkml <linux-kernel@...r.kernel.org>,
	"Haavard Skinnemoen" <hskinnemoen@...el.com>,
	"Nicolas Ferre" <nicolas.ferre@....atmel.com>
Subject: Re: [patch 2.6.28-rc2] atmel_serial: keep clock off when it's not needed

hi David,

> I verified it on AT91, where the console is normally DBGU and the
> other USARTs do get an open().

The DBGU is part of the system peripherals, which are clocked from MCK
and which is always enabled.
Therefore I don't think this is a valid test-case.


Regards,
  Andrew Victor
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