diff options
Diffstat (limited to 'arch/ia64/hp/common/sba_iommu.c')
| -rw-r--r-- | arch/ia64/hp/common/sba_iommu.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index 655b9a17db93..e82870a76801 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -2065,6 +2065,8 @@ static struct acpi_driver acpi_sba_ioc_driver = { }, }; +extern struct dma_mapping_ops swiotlb_dma_ops; + static int __init sba_init(void) { @@ -2078,6 +2080,7 @@ sba_init(void) * a successful kdump kernel boot is to use the swiotlb. */ if (is_kdump_kernel()) { + dma_ops = &swiotlb_dma_ops; if (swiotlb_late_init_with_default_size(64 * (1<<20)) != 0) panic("Unable to initialize software I/O TLB:" " Try machvec=dig boot option"); @@ -2093,6 +2096,7 @@ sba_init(void) * If we didn't find something sba_iommu can claim, we * need to setup the swiotlb and switch to the dig machvec. */ + dma_ops = &swiotlb_dma_ops; if (swiotlb_late_init_with_default_size(64 * (1<<20)) != 0) panic("Unable to find SBA IOMMU or initialize " "software I/O TLB: Try machvec=dig boot option"); @@ -2196,3 +2200,8 @@ struct dma_mapping_ops sba_dma_ops = { .dma_supported_op = sba_dma_supported, .mapping_error = sba_dma_mapping_error, }; + +void sba_dma_init(void) +{ + dma_ops = &sba_dma_ops; +} |
