From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e38.co.us.ibm.com ([32.97.110.159]:41375 "EHLO e38.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753753Ab3EFNpd (ORCPT ); Mon, 6 May 2013 09:45:33 -0400 Received: from /spool/local by e38.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 6 May 2013 07:45:32 -0600 Received: from d03relay02.boulder.ibm.com (d03relay02.boulder.ibm.com [9.17.195.227]) by d03dlp02.boulder.ibm.com (Postfix) with ESMTP id 592613E40052 for ; Mon, 6 May 2013 07:44:28 -0600 (MDT) Received: from d03av04.boulder.ibm.com (d03av04.boulder.ibm.com [9.17.195.170]) by d03relay02.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r46DiZgN117414 for ; Mon, 6 May 2013 07:44:35 -0600 Received: from d03av04.boulder.ibm.com (loopback [127.0.0.1]) by d03av04.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r46DiWvX012346 for ; Mon, 6 May 2013 07:44:35 -0600 From: Gavin Shan To: linuxppc-dev@lists.ozlabs.org, linux-pci@vger.kernel.org Cc: benh@kernel.crashing.org, yinghai@kernel.org, bhelgaas@google.com, Gavin Shan Subject: [PATCH 3/3] powerpc/powernv: Don't configure IO window on PHB3 Date: Mon, 6 May 2013 21:44:18 +0800 Message-Id: <1367847858-6506-3-git-send-email-shangw@linux.vnet.ibm.com> In-Reply-To: <1367847858-6506-1-git-send-email-shangw@linux.vnet.ibm.com> References: <1367847858-6506-1-git-send-email-shangw@linux.vnet.ibm.com> Sender: linux-pci-owner@vger.kernel.org List-ID: We needn't configure IO windows for the corresponding PEs on PHB3 since that doesn't support IO. Signed-off-by: Gavin Shan --- arch/powerpc/platforms/powernv/pci-ioda.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 0c3fa29..b4f3edb 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -894,7 +894,9 @@ static void pnv_ioda_setup_pe_seg(struct pci_controller *hose, res->start > res->end) continue; - if (res->flags & IORESOURCE_IO) { + /* We needn't setup IO windows for PHB3 */ + if (!(pe->pbus->bus_flags & PCI_BUS_FLAGS_NO_IO) && + res->flags & IORESOURCE_IO) { region.start = res->start - phb->ioda.io_pci_base; region.end = res->end - phb->ioda.io_pci_base; index = region.start / phb->ioda.io_segsize; -- 1.7.5.4