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-rw-r--r--arch/microblaze/Kconfig2
-rw-r--r--arch/microblaze/include/asm/pgtable.h2
-rw-r--r--arch/microblaze/kernel/dma.c22
-rw-r--r--arch/microblaze/mm/consistent.c3
4 files changed, 3 insertions, 26 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 0f48ab6a8070..164a4857737a 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -1,6 +1,7 @@
config MICROBLAZE
def_bool y
select ARCH_NO_SWAP
+ select ARCH_HAS_DMA_COHERENT_TO_PFN if MMU
select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_HAS_SYNC_DMA_FOR_CPU
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
@@ -12,7 +13,6 @@ config MICROBLAZE
select CLONE_BACKWARDS3
select COMMON_CLK
select DMA_DIRECT_OPS
- select DMA_NONCOHERENT_MMAP
select GENERIC_ATOMIC64
select GENERIC_CLOCKEVENTS
select GENERIC_CPU_DEVICES
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index 7b650ab14fa0..f64ebb9c9a41 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -553,8 +553,6 @@ void __init *early_get_page(void);
extern unsigned long ioremap_bot, ioremap_base;
-unsigned long consistent_virt_to_pfn(void *vaddr);
-
void setup_memory(void);
#endif /* __ASSEMBLY__ */
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index 71032cf64669..a89c2d4ed5ff 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -42,25 +42,3 @@ void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr,
{
__dma_sync(dev, paddr, size, dir);
}
-
-int arch_dma_mmap(struct device *dev, struct vm_area_struct *vma,
- void *cpu_addr, dma_addr_t handle, size_t size,
- unsigned long attrs)
-{
-#ifdef CONFIG_MMU
- unsigned long user_count = vma_pages(vma);
- unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT;
- unsigned long off = vma->vm_pgoff;
- unsigned long pfn;
-
- if (off >= count || user_count > (count - off))
- return -ENXIO;
-
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- pfn = consistent_virt_to_pfn(cpu_addr);
- return remap_pfn_range(vma, vma->vm_start, pfn + off,
- vma->vm_end - vma->vm_start, vma->vm_page_prot);
-#else
- return -ENXIO;
-#endif
-}
diff --git a/arch/microblaze/mm/consistent.c b/arch/microblaze/mm/consistent.c
index c9a278ac795a..d801cc5f5b95 100644
--- a/arch/microblaze/mm/consistent.c
+++ b/arch/microblaze/mm/consistent.c
@@ -165,7 +165,8 @@ static pte_t *consistent_virt_to_pte(void *vaddr)
return pte_offset_kernel(pmd_offset(pgd_offset_k(addr), addr), addr);
}
-unsigned long consistent_virt_to_pfn(void *vaddr)
+long arch_dma_coherent_to_pfn(struct device *dev, void *vaddr,
+ dma_addr_t dma_addr)
{
pte_t *ptep = consistent_virt_to_pte(vaddr);