From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e2.ny.us.ibm.com (e2.ny.us.ibm.com [32.97.182.142]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e2.ny.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 15DDD1007DA for ; Thu, 16 Sep 2010 04:06:43 +1000 (EST) Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234]) by e2.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id o8FHposR010407 for ; Wed, 15 Sep 2010 13:51:50 -0400 Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by d01relay02.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o8FI6ajU471292 for ; Wed, 15 Sep 2010 14:06:37 -0400 Received: from d03av01.boulder.ibm.com (loopback [127.0.0.1]) by d03av01.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id o8FI6ZeA003173 for ; Wed, 15 Sep 2010 12:06:36 -0600 From: Nishanth Aravamudan To: nacc@us.ibm.com Subject: [PATCH 10/15] ppc/pasemi: clean up pasemi iommu table initializations Date: Wed, 15 Sep 2010 11:05:53 -0700 Message-Id: <1284573958-8397-11-git-send-email-nacc@us.ibm.com> In-Reply-To: <1284573958-8397-1-git-send-email-nacc@us.ibm.com> References: <1284573958-8397-1-git-send-email-nacc@us.ibm.com> Cc: linuxppc-dev@lists.ozlabs.org, Milton Miller , Paul Mackerras , Olof Johansson , Yinghai Lu List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , No need for empty helpers with iommu off, the ppc_md hooks are optional. The direct_dma_ops are the default pci_dma_ops, so no need to set in the them iommu off case. No need to set the device tree device_node pci node iommu pointer, its only used for dlpar remove. Signed-off-by: Milton Miller Signed-off-by: Nishanth Aravamudan --- arch/powerpc/platforms/pasemi/iommu.c | 19 +------------------ 1 files changed, 1 insertions(+), 18 deletions(-) diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c index 1f9fb2c..14943ef 100644 --- a/arch/powerpc/platforms/pasemi/iommu.c +++ b/arch/powerpc/platforms/pasemi/iommu.c @@ -156,20 +156,12 @@ static void iommu_table_iobmap_setup(void) static void pci_dma_bus_setup_pasemi(struct pci_bus *bus) { - struct device_node *dn; - pr_debug("pci_dma_bus_setup, bus %p, bus->self %p\n", bus, bus->self); if (!iommu_table_iobmap_inited) { iommu_table_iobmap_inited = 1; iommu_table_iobmap_setup(); } - - dn = pci_bus_to_OF_node(bus); - - if (dn) - PCI_DN(dn)->iommu_table = &iommu_table_iobmap; - } @@ -192,9 +184,6 @@ static void pci_dma_dev_setup_pasemi(struct pci_dev *dev) set_iommu_table_base(&dev->dev, &iommu_table_iobmap); } -static void pci_dma_bus_setup_null(struct pci_bus *b) { } -static void pci_dma_dev_setup_null(struct pci_dev *d) { } - int __init iob_init(struct device_node *dn) { unsigned long tmp; @@ -251,14 +240,8 @@ void __init iommu_init_early_pasemi(void) iommu_off = of_chosen && of_get_property(of_chosen, "linux,iommu-off", NULL); #endif - if (iommu_off) { - /* Direct I/O, IOMMU off */ - ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_null; - ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_null; - set_pci_dma_ops(&dma_direct_ops); - + if (iommu_off) return; - } iob_init(NULL); -- 1.7.0.4