From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Neukum Subject: Re: Run-time PM idea (was: Re: [RFC][PATCH 0/2] PM: Rearrange core suspend code) Date: Tue, 9 Jun 2009 16:48:09 +0200 Message-ID: <200906091648.09659.oliver__631.942557129328$1244558905$gmane$org@neukum.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: Alan Stern Cc: ACPI Devel Maling List , linux-pm@lists.linux-foundation.org, LKML List-Id: linux-pm@vger.kernel.org Am Dienstag, 9. Juni 2009 16:33:12 schrieb Alan Stern: > On Tue, 9 Jun 2009, Oliver Neukum wrote: > > But the problem here is STR or STD. How do you notify drivers that the > > BIOS has resumed their device instead of autoresume() being called? A > > driver has to know that its device has become active without its > > knowledge. > > That would be a wonderful contradiction in terms. =A0:-) A practical application of the uncertainty principle in quantum computing. But you have to notify a driver if you notice that a device's power state has been changed without the knowledge of its driver. Regards Oliver