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From: Pavel Machek <>
To: David Brownell <>
	Linux Kernel list <>,
	Andrew Victor <>
Subject: Re: [linux-pm] [patch 2/2] clk_must_disable() implementation on AT91
Date: Fri, 23 Mar 2007 13:21:58 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>


> This supports the new clk_must_disable() interface for AT91 systems:
>  - Implement the call, replacing at91_suspend_entering_slow_clock()
>    and eliminating various "that's not exported" build warnings;
>  - Use it in three drivers: USB Host, USB Peripheral, and RS232 serial.
> Briefly, those are three of the drivers that need to act differently when
> going into deeper sleep states (suspend-to-RAM, vs standby), since among
> other things they can't act as wakeup event sources without using the
> clocks which are disabled in those deeper sleep states.
> (The at91_ethernet driver would be another such driver, but it doesn't
> currently implement wake-on-LAN even in the "standby" mode.)
> Signed-off-by: David Brownell <>

FWIW, it looks okay to me. But you probably need to cc akpm if you
want it merged...

(cesky, pictures)

      reply	other threads:[~2007-03-23 12:22 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-22 18:08 David Brownell
2007-03-23 12:21 ` Pavel Machek [this message]

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