Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752948AbXJ1Qu0 (ORCPT ); Sun, 28 Oct 2007 12:50:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751121AbXJ1QuQ (ORCPT ); Sun, 28 Oct 2007 12:50:16 -0400 Received: from netrider.rowland.org ([192.131.102.5]:2042 "HELO netrider.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1750841AbXJ1QuP (ORCPT ); Sun, 28 Oct 2007 12:50:15 -0400 Date: Sun, 28 Oct 2007 12:50:13 -0400 (EDT) From: Alan Stern X-X-Sender: stern@netrider.rowland.org To: "Rafael J. Wysocki" cc: Oliver Martin , Kernel development list , USB development list , Oliver Neukum , Linux-pm mailing list Subject: Re: USB_SUSPEND needs SUSPEND? In-Reply-To: <200710281435.31690.rjw@sisk.pl> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1173 Lines: 27 On Sun, 28 Oct 2007, Rafael J. Wysocki wrote: > On Sunday, 28 October 2007 02:00, Oliver Martin wrote: > > Hello, > > > > it seems that there is some dependency missing for CONFIG_USB_SUSPEND. > > When I compile a kernel without CONFIG_SUSPEND, USB suspend doesn't work > > (or at least doesn't expose its interface to userspace). > > /sys/bus/usb/devices/.../power doesn't exist, but it is there when I > > enable CONFIG_SUSPEND. So should CONFIG_USB_SUSPEND depend on > > CONFIG_SUSPEND (or something selected by CONFIG_SUSPEND)? > > > > diff between the two configs follows, full config and dmesg for both > > kernels is available at http://stud4.tuwien.ac.at/~e0626486/usb_suspend/ > > (though the dmesg diff doesn't seem to be all that interesting). Actually I think the problem is the other way around. /sys/.../power should exist whenever CONFIG_PM is defined, not just when CONFIG_SUSPEND is enabled. Alan Stern - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/