linux-kernel - Re: [RFC PATCH 2/6] ACPI: Reference devices in ACPI Power Resource

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Message-ID: <1329716631.1511.23.camel@rui.sh.intel.com>
Date:	Mon, 20 Feb 2012 13:43:51 +0800
From:	Zhang Rui <rui.zhang@...el.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Lin Ming <ming.m.lin@...el.com>, Jeff Garzik <jgarzik@...ox.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Tejun Heo <tj@...nel.org>, Len Brown <lenb@...nel.org>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	linux-scsi@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [RFC PATCH 2/6] ACPI: Reference devices in ACPI Power Resource

On 五, 2012-02-17 at 23:34 +0100, Rafael J. Wysocki wrote:
> 
> > So I introduced these two APIs so that an runtime_resume request can be
> > sent to ZPODD directly and the runtime PM core can resume all the
> > parents of ZPODD automatically.
> 
> It seems that you're confusing things.  In the Linux driver model a device
> cannot have more than a single parent.
>
sorry, I mean the ancients here, e.g. scsi-host, etc. :)

thanks,
rui

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