diff options
| author | Joerg Roedel <[email protected]> | 2015-01-07 15:31:39 +0800 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2015-01-15 11:24:23 +0100 |
| commit | 84d0779304b5c45134311dfc31b5a2325ce3ad84 (patch) | |
| tree | d1c6151f745bfa229337e842a57aacc6b1f70bbf | |
| parent | 5fcee53ce705d49c766f8a302c7e93bdfc33c124 (diff) | |
iommu/amd: Check for irq-remap support amd_iommu_prepare()
This allows to get rid of the irq_remapping_supported() function and
all its call-backs into the Intel and AMD IOMMU drivers.
Signed-off-by: Joerg Roedel <[email protected]>
Signed-off-by: Jiang Liu <[email protected]>
Tested-by: Joerg Roedel <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: [email protected]
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Yinghai Lu <[email protected]>
Cc: Borislav Petkov <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
| -rw-r--r-- | drivers/iommu/amd_iommu_init.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index b0522f15730f..0039f87f48b8 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -2123,6 +2123,9 @@ static int __init iommu_go_to_state(enum iommu_init_state state) #ifdef CONFIG_IRQ_REMAP int __init amd_iommu_prepare(void) { + if (!amd_iommu_irq_remap) + return -1; + return iommu_go_to_state(IOMMU_ACPI_FINISHED); } |