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| author |   FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2009-11-10 19:46:16 +0900 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2009-11-10 12:31:36 +0100 |
| commit | 9d5ce73a64be2be8112147a3e0b551ad9cd1247b (patch) | |
| tree | 8593dc2ca29e95b1a25e6f677459f3fe5c68dee9 | |
| parent | x86: amd_iommu: Convert amd_iommu_detect() to use iommu_init hook (diff) | |
| download | wireguard-linux-9d5ce73a64be2be8112147a3e0b551ad9cd1247b.tar.xz wireguard-linux-9d5ce73a64be2be8112147a3e0b551ad9cd1247b.zip | |
x86: intel-iommu: Convert detect_intel_iommu to use iommu_init hook
This changes detect_intel_iommu() to set intel_iommu_init() to
iommu_init hook if detect_intel_iommu() finds the IOMMU.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: chrisw@sous-sol.org
Cc: dwmw2@infradead.org
Cc: joerg.roedel@amd.com
Cc: muli@il.ibm.com
LKML-Reference: <1257849980-22640-6-git-send-email-fujita.tomonori@lab.ntt.co.jp>
[ -v2: build fix for the !CONFIG_DMAR case ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/pci-dma.c | 2 | ||||
| -rw-r--r-- | drivers/pci/dmar.c | 4 | ||||
| -rw-r--r-- | include/linux/dmar.h | 15 |
3 files changed, 8 insertions, 13 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 5ca44a9301a0..bed05e2e5890 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -294,8 +294,6 @@ static int __init pci_iommu_init(void) x86_init.iommu.iommu_init(); - intel_iommu_init(); - no_iommu_init(); return 0; } diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 22b02c6df854..bce9cd7c755a 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -617,6 +617,10 @@ void __init detect_intel_iommu(void) !dmar_disabled) iommu_detected = 1; #endif +#ifdef CONFIG_X86 + if (ret) + x86_init.iommu.iommu_init = intel_iommu_init; +#endif } early_acpi_os_unmap_memory(dmar_tbl, dmar_tbl_size); dmar_tbl = NULL; diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 4a2b162c256a..5de4c9e5856d 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -208,16 +208,9 @@ struct dmar_atsr_unit { u8 include_all:1; /* include all ports */ }; -/* Intel DMAR initialization functions */ extern int intel_iommu_init(void); -#else -static inline int intel_iommu_init(void) -{ -#ifdef CONFIG_INTR_REMAP - return dmar_dev_scope_init(); -#else - return -ENODEV; -#endif -} -#endif /* !CONFIG_DMAR */ +#else /* !CONFIG_DMAR: */ +static inline int intel_iommu_init(void) { return -ENODEV; } +#endif /* CONFIG_DMAR */ + #endif /* __DMAR_H__ */ |