diff options
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/dma-mapping.c | 12 | ||||
| -rw-r--r-- | arch/arm/mm/mmu.c | 6 |
2 files changed, 11 insertions, 7 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 5adf1769eee4..88c2d68a69c9 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -1532,7 +1532,7 @@ static const struct dma_map_ops iommu_ops = { /** * arm_iommu_create_mapping - * @bus: pointer to the bus holding the client device (for IOMMU calls) + * @dev: pointer to the client device (for IOMMU calls) * @base: start address of the valid IO address space * @size: maximum size of the valid IO address space * @@ -1544,7 +1544,7 @@ static const struct dma_map_ops iommu_ops = { * arm_iommu_attach_device function. */ struct dma_iommu_mapping * -arm_iommu_create_mapping(const struct bus_type *bus, dma_addr_t base, u64 size) +arm_iommu_create_mapping(struct device *dev, dma_addr_t base, u64 size) { unsigned int bits = size >> PAGE_SHIFT; unsigned int bitmap_size = BITS_TO_LONGS(bits) * sizeof(long); @@ -1585,9 +1585,11 @@ arm_iommu_create_mapping(const struct bus_type *bus, dma_addr_t base, u64 size) spin_lock_init(&mapping->lock); - mapping->domain = iommu_domain_alloc(bus); - if (!mapping->domain) + mapping->domain = iommu_paging_domain_alloc(dev); + if (IS_ERR(mapping->domain)) { + err = PTR_ERR(mapping->domain); goto err4; + } kref_init(&mapping->kref); return mapping; @@ -1718,7 +1720,7 @@ static void arm_setup_iommu_dma_ops(struct device *dev) dma_base = dma_range_map_min(dev->dma_range_map); size = dma_range_map_max(dev->dma_range_map) - dma_base; } - mapping = arm_iommu_create_mapping(dev->bus, dma_base, size); + mapping = arm_iommu_create_mapping(dev, dma_base, size); if (IS_ERR(mapping)) { pr_warn("Failed to create %llu-byte IOMMU mapping for device %s\n", size, dev_name(dev)); diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 3f774856ca67..f85c177cdf8d 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1638,7 +1638,7 @@ static void __init early_paging_init(const struct machine_desc *mdesc) { pgtables_remap *lpae_pgtables_remap; unsigned long pa_pgd; - unsigned int cr, ttbcr; + u32 cr, ttbcr, tmp; long long offset; if (!mdesc->pv_fixup) @@ -1688,7 +1688,9 @@ static void __init early_paging_init(const struct machine_desc *mdesc) cr = get_cr(); set_cr(cr & ~(CR_I | CR_C)); ttbcr = cpu_get_ttbcr(); - cpu_set_ttbcr(ttbcr & ~(3 << 8 | 3 << 10)); + /* Disable all kind of caching of the translation table */ + tmp = ttbcr & ~(TTBCR_ORGN0_MASK | TTBCR_IRGN0_MASK); + cpu_set_ttbcr(tmp); flush_cache_all(); /* |