Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270482AbUJUBki (ORCPT ); Wed, 20 Oct 2004 21:40:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270441AbUJUBi3 (ORCPT ); Wed, 20 Oct 2004 21:38:29 -0400 Received: from ozlabs.org ([203.10.76.45]:49614 "EHLO ozlabs.org") by vger.kernel.org with ESMTP id S270657AbUJUBgw (ORCPT ); Wed, 20 Oct 2004 21:36:52 -0400 Date: Thu, 21 Oct 2004 11:32:07 +1000 From: David Gibson To: Andrew Morton Cc: Anton Blanchard , Benjamin Herrenschmidt , Paul Mackerras , linuxppc64-dev@ozlabs.org, linux-kernel@vger.kernel.org Subject: [PPC64] Don't build virtual IO drivers for PowerMac Message-ID: <20041021013207.GH17760@zax> Mail-Followup-To: David Gibson , Andrew Morton , Anton Blanchard , Benjamin Herrenschmidt , Paul Mackerras , linuxppc64-dev@ozlabs.org, linux-kernel@vger.kernel.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.6+20040907i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5295 Lines: 172 Andrew, please apply: Only compile vio.c on iSeries and pSeries, since other PPC64 platforms (PowerMac) don't use virtual IO. The resulting #ifdefs in dma.c are kind of ugly, but at least contained, and I can't see a nicer way of doing it for the time being. Signed-off-by: David Gibson Index: working-2.6/arch/ppc64/kernel/Makefile =================================================================== --- working-2.6.orig/arch/ppc64/kernel/Makefile 2004-09-28 10:22:13.000000000 +1000 +++ working-2.6/arch/ppc64/kernel/Makefile 2004-10-05 15:47:16.541962864 +1000 @@ -11,7 +11,7 @@ udbg.o binfmt_elf32.o sys_ppc32.o ioctl32.o \ ptrace32.o signal32.o rtc.o init_task.o \ lmb.o cputable.o cpu_setup_power4.o idle_power4.o \ - iommu.o sysfs.o vio.o + iommu.o sysfs.o obj-$(CONFIG_PPC_OF) += of_device.o @@ -45,6 +45,7 @@ obj-$(CONFIG_HVC_CONSOLE) += hvconsole.o obj-$(CONFIG_BOOTX_TEXT) += btext.o obj-$(CONFIG_HVCS) += hvcserver.o +obj-$(CONFIG_IBMVIO) += vio.o obj-$(CONFIG_PPC_PMAC) += pmac_setup.o pmac_feature.o pmac_pci.o \ pmac_time.o pmac_nvram.o pmac_low_i2c.o \ Index: working-2.6/arch/ppc64/Kconfig =================================================================== --- working-2.6.orig/arch/ppc64/Kconfig 2004-09-28 10:22:13.000000000 +1000 +++ working-2.6/arch/ppc64/Kconfig 2004-10-05 15:47:16.541962864 +1000 @@ -110,6 +110,11 @@ processors, that is, which share physical processors between two or more partitions. +config IBMVIO + depends on PPC_PSERIES || PPC_ISERIES + bool + default y + config U3_DART bool depends on PPC_MULTIPLATFORM Index: working-2.6/arch/ppc64/kernel/dma.c =================================================================== --- working-2.6.orig/arch/ppc64/kernel/dma.c 2004-08-09 09:51:38.000000000 +1000 +++ working-2.6/arch/ppc64/kernel/dma.c 2004-10-05 16:02:01.372034952 +1000 @@ -17,8 +17,10 @@ { if (dev->bus == &pci_bus_type) return pci_dma_supported(to_pci_dev(dev), mask); +#ifdef CONFIG_IBMVIO if (dev->bus == &vio_bus_type) return vio_dma_supported(to_vio_dev(dev), mask); +#endif /* CONFIG_IBMVIO */ BUG(); return 0; } @@ -28,8 +30,10 @@ { if (dev->bus == &pci_bus_type) return pci_set_dma_mask(to_pci_dev(dev), dma_mask); +#ifdef CONFIG_IBMVIO if (dev->bus == &vio_bus_type) return vio_set_dma_mask(to_vio_dev(dev), dma_mask); +#endif /* CONFIG_IBMVIO */ BUG(); return 0; } @@ -40,8 +44,10 @@ { if (dev->bus == &pci_bus_type) return pci_alloc_consistent(to_pci_dev(dev), size, dma_handle); +#ifdef CONFIG_IBMVIO if (dev->bus == &vio_bus_type) return vio_alloc_consistent(to_vio_dev(dev), size, dma_handle); +#endif /* CONFIG_IBMVIO */ BUG(); return NULL; } @@ -52,8 +58,10 @@ { if (dev->bus == &pci_bus_type) pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle); +#ifdef CONFIG_IBMVIO else if (dev->bus == &vio_bus_type) vio_free_consistent(to_vio_dev(dev), size, cpu_addr, dma_handle); +#endif /* CONFIG_IBMVIO */ else BUG(); } @@ -64,8 +72,10 @@ { if (dev->bus == &pci_bus_type) return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction); +#ifdef CONFIG_IBMVIO if (dev->bus == &vio_bus_type) return vio_map_single(to_vio_dev(dev), cpu_addr, size, direction); +#endif /* CONFIG_IBMVIO */ BUG(); return (dma_addr_t)0; } @@ -76,8 +86,10 @@ { if (dev->bus == &pci_bus_type) pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction); +#ifdef CONFIG_IBMVIO else if (dev->bus == &vio_bus_type) vio_unmap_single(to_vio_dev(dev), dma_addr, size, direction); +#endif /* CONFIG_IBMVIO */ else BUG(); } @@ -89,8 +101,10 @@ { if (dev->bus == &pci_bus_type) return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction); +#ifdef CONFIG_IBMVIO if (dev->bus == &vio_bus_type) return vio_map_page(to_vio_dev(dev), page, offset, size, direction); +#endif /* CONFIG_IBMVIO */ BUG(); return (dma_addr_t)0; } @@ -101,8 +115,10 @@ { if (dev->bus == &pci_bus_type) pci_unmap_page(to_pci_dev(dev), dma_address, size, (int)direction); +#ifdef CONFIG_IBMVIO else if (dev->bus == &vio_bus_type) vio_unmap_page(to_vio_dev(dev), dma_address, size, direction); +#endif /* CONFIG_IBMVIO */ else BUG(); } @@ -113,8 +129,10 @@ { if (dev->bus == &pci_bus_type) return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction); +#ifdef CONFIG_IBMVIO if (dev->bus == &vio_bus_type) return vio_map_sg(to_vio_dev(dev), sg, nents, direction); +#endif /* CONFIG_IBMVIO */ BUG(); return 0; } @@ -125,8 +143,10 @@ { if (dev->bus == &pci_bus_type) pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction); +#ifdef CONFIG_IBMVIO else if (dev->bus == &vio_bus_type) vio_unmap_sg(to_vio_dev(dev), sg, nhwentries, direction); +#endif /* CONFIG_IBMVIO */ else BUG(); } -- David Gibson | For every complex problem there is a david AT gibson.dropbear.id.au | solution which is simple, neat and | wrong. http://www.ozlabs.org/people/dgibson - 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/