From: Li Shaohua <shaohua.li@intel.com>
To: Adam Belay <abelay@novell.com>
Cc: Linux-pm mailing list <linux-pm@lists.osdl.org>
Subject: Re: [RFC] Mapping Device Power States
Date: Mon, 11 Apr 2005 17:50:09 +0800 [thread overview]
Message-ID: <1113213009.8161.13.camel@sli10-desk.sh.intel.com> (raw)
In-Reply-To: <1112909150.21887.18.camel@linux.site>
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On Fri, 2005-04-08 at 05:25, Adam Belay wrote:
>
> POWER_ON: the device is fully functional
> POWER_LIGHT: device context and configuration are maintained, but
> device
> isn't functional.
> POWER_MODERATE: device configuration is maintained, but the context is
> not. The device isn't functional
> POWER_DEEP: no device configuration or context is maintained, but
> device
> is not fully off. The device is not functional.
> POWER_OFF: no power is applied to the device. The device is not
> functional.
I think there are two POWER_OFF. One is the device is not functional but
its related device such as PIC is enabled. And the other is its related
device is disabled. In STR, the state of a device is it's powroff and
its related devices such as the pic/ioapic pin and irq router is are
disabled/masked.
Thanks,
Shaohua
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prev parent reply other threads:[~2005-04-11 9:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-07 21:25 [RFC] Mapping Device Power States Adam Belay
2005-04-07 22:04 ` David Brownell
2005-04-07 23:56 ` Benjamin Herrenschmidt
2005-04-08 0:39 ` David Brownell
2005-04-11 9:50 ` Li Shaohua [this message]
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