From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: [BUG] powerpc does not save msi state [was Re: [PATCH 5/7] pci: Export the pci_restore_msi_state() function Date: Mon, 22 Oct 2007 07:13:16 +1000 Message-ID: <1193001196.6745.36.camel@pasglop> References: <20071020000421.GO29903@austin.ibm.com> <20071019.172706.57467960.davem@davemloft.net> <20071020004610.GR29903@austin.ibm.com> <20071019.175308.54212640.davem@davemloft.net> <1192862606.7688.4.camel@concordia> Reply-To: benh@kernel.crashing.org Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: David Miller , netdev@vger.kernel.org, mcarlson@broadcom.com, linuxppc-dev@ozlabs.org, mchan@broadcom.com, linux-pci@atrey.karlin.mff.cuni.cz To: michael@ellerman.id.au Return-path: Received: from gate.crashing.org ([63.228.1.57]:52507 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750831AbXJUVNl (ORCPT ); Sun, 21 Oct 2007 17:13:41 -0400 In-Reply-To: <1192862606.7688.4.camel@concordia> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org > That's a pity, but AFAIK it shouldn't be a problem because we don't > enable CONFIG_PM on those machines anyway. If we ever want to we'll need > to sort out with firmware how that will work WRT restoring MSI state. I think the current generic code for pci_restore_msi_state() or whatever it's called wilol directly call into write_msi_msg() etc... might be a problem. Ben.