renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-17 09:43:59 +08:00
Code

iommu/amd: Remove align-parameter from __map_single()

Browse Source 
This parameter is not required anymore because the
iova-allocations are always aligned to its size.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2016-07-05 16:28:02 +02:00
parent 2d4c515bf0
commit bda350dbdb
1 changed files with 3 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/iommu/amd_iommu.c
View File

@ -2162,22 +2162,17 @@ static dma_addr_t __map_single(struct device *dev,
phys_addr_t paddr, phys_addr_t paddr,
size_t size, size_t size,
int direction, int direction,
bool align,
u64 dma_mask) u64 dma_mask)
{ {
dma_addr_t offset = paddr & ~PAGE_MASK; dma_addr_t offset = paddr & ~PAGE_MASK;
dma_addr_t address, start, ret; dma_addr_t address, start, ret;
unsigned int pages; unsigned int pages;
unsigned long align_mask = 0;
int prot = 0; int prot = 0;
int i; int i;
pages = iommu_num_pages(paddr, size, PAGE_SIZE); pages = iommu_num_pages(paddr, size, PAGE_SIZE);
paddr &= PAGE_MASK; paddr &= PAGE_MASK;
if (align)
align_mask = (1UL << get_order(size)) - 1;
address = dma_ops_alloc_iova(dev, dma_dom, pages, dma_mask); address = dma_ops_alloc_iova(dev, dma_dom, pages, dma_mask);
if (address == DMA_ERROR_CODE) if (address == DMA_ERROR_CODE)
goto out; goto out;
@ -2273,8 +2268,7 @@ static dma_addr_t map_page(struct device *dev, struct page *page,
dma_mask = *dev->dma_mask; dma_mask = *dev->dma_mask;
return __map_single(dev, domain->priv, paddr, size, dir, false, return __map_single(dev, domain->priv, paddr, size, dir, dma_mask);
dma_mask);
} }
/* /*
@ -2317,8 +2311,7 @@ static int map_sg(struct device *dev, struct scatterlist *sglist,
paddr = sg_phys(s); paddr = sg_phys(s);
s->dma_address = __map_single(dev, domain->priv, s->dma_address = __map_single(dev, domain->priv,
paddr, s->length, dir, false, paddr, s->length, dir, dma_mask);
dma_mask);
if (s->dma_address) { if (s->dma_address) {
s->dma_length = s->length; s->dma_length = s->length;
@ -2402,7 +2395,7 @@ static void *alloc_coherent(struct device *dev, size_t size,
dma_mask = *dev->dma_mask; dma_mask = *dev->dma_mask;
*dma_addr = __map_single(dev, domain->priv, page_to_phys(page), *dma_addr = __map_single(dev, domain->priv, page_to_phys(page),
size, DMA_BIDIRECTIONAL, true, dma_mask); size, DMA_BIDIRECTIONAL, dma_mask);
if (*dma_addr == DMA_ERROR_CODE) if (*dma_addr == DMA_ERROR_CODE)
goto out_free; goto out_free;