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author | David Woodhouse <David.Woodhouse@intel.com> | 2010-10-30 12:35:11 +0100 |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-10-30 12:35:11 +0100 |
commit | 67577927e8d7a1f4b09b4992df640eadc6aacb36 (patch) | |
tree | 2e9efe6b5745965faf0dcc084d4613d9356263f9 /arch/x86/kernel/pci-calgary_64.c | |
parent | 6fe4c590313133ebd5dadb769031489ff178ece1 (diff) | |
parent | 51f00a471ce8f359627dd99aeac322947a0e491b (diff) | |
download | talos-op-linux-67577927e8d7a1f4b09b4992df640eadc6aacb36.tar.gz talos-op-linux-67577927e8d7a1f4b09b4992df640eadc6aacb36.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Conflicts:
drivers/mtd/mtd_blkdevs.c
Merge Grant's device-tree bits so that we can apply the subsequent fixes.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'arch/x86/kernel/pci-calgary_64.c')
-rw-r--r-- | arch/x86/kernel/pci-calgary_64.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c index 078d4ec1a9d9..f56a117cef68 100644 --- a/arch/x86/kernel/pci-calgary_64.c +++ b/arch/x86/kernel/pci-calgary_64.c @@ -47,6 +47,7 @@ #include <asm/rio.h> #include <asm/bios_ebda.h> #include <asm/x86_init.h> +#include <asm/iommu_table.h> #ifdef CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT int use_calgary __read_mostly = 1; @@ -1364,7 +1365,7 @@ static int __init calgary_iommu_init(void) return 0; } -void __init detect_calgary(void) +int __init detect_calgary(void) { int bus; void *tbl; @@ -1378,13 +1379,13 @@ void __init detect_calgary(void) * another HW IOMMU already, bail out. */ if (no_iommu || iommu_detected) - return; + return -ENODEV; if (!use_calgary) - return; + return -ENODEV; if (!early_pci_allowed()) - return; + return -ENODEV; printk(KERN_DEBUG "Calgary: detecting Calgary via BIOS EBDA area\n"); @@ -1410,13 +1411,13 @@ void __init detect_calgary(void) if (!rio_table_hdr) { printk(KERN_DEBUG "Calgary: Unable to locate Rio Grande table " "in EBDA - bailing!\n"); - return; + return -ENODEV; } ret = build_detail_arrays(); if (ret) { printk(KERN_DEBUG "Calgary: build_detail_arrays ret %d\n", ret); - return; + return -ENOMEM; } specified_table_size = determine_tce_table_size((is_kdump_kernel() ? @@ -1464,7 +1465,7 @@ void __init detect_calgary(void) x86_init.iommu.iommu_init = calgary_iommu_init; } - return; + return calgary_found; cleanup: for (--bus; bus >= 0; --bus) { @@ -1473,6 +1474,7 @@ cleanup: if (info->tce_space) free_tce_table(info->tce_space); } + return -ENOMEM; } static int __init calgary_parse_options(char *p) @@ -1594,3 +1596,5 @@ static int __init calgary_fixup_tce_spaces(void) * and before device_initcall. */ rootfs_initcall(calgary_fixup_tce_spaces); + +IOMMU_INIT_POST(detect_calgary); |