diff options
Diffstat (limited to 'drivers/staging/media/ipu3/ipu3-dmamap.c')
| -rw-r--r-- | drivers/staging/media/ipu3/ipu3-dmamap.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/staging/media/ipu3/ipu3-dmamap.c b/drivers/staging/media/ipu3/ipu3-dmamap.c index d978a00e1e0b..7431322379f6 100644 --- a/drivers/staging/media/ipu3/ipu3-dmamap.c +++ b/drivers/staging/media/ipu3/ipu3-dmamap.c @@ -31,12 +31,11 @@ static void imgu_dmamap_free_buffer(struct page **pages, * Based on the implementation of __iommu_dma_alloc_pages() * defined in drivers/iommu/dma-iommu.c */ -static struct page **imgu_dmamap_alloc_buffer(size_t size, - unsigned long order_mask, - gfp_t gfp) +static struct page **imgu_dmamap_alloc_buffer(size_t size, gfp_t gfp) { struct page **pages; unsigned int i = 0, count = size >> PAGE_SHIFT; + unsigned int order_mask = 1; const gfp_t high_order_gfp = __GFP_NOWARN | __GFP_NORETRY; /* Allocate mem for array of page ptrs */ @@ -45,10 +44,6 @@ static struct page **imgu_dmamap_alloc_buffer(size_t size, if (!pages) return NULL; - order_mask &= (2U << MAX_ORDER) - 1; - if (!order_mask) - return NULL; - gfp |= __GFP_HIGHMEM | __GFP_ZERO; while (count) { @@ -99,7 +94,6 @@ void *imgu_dmamap_alloc(struct imgu_device *imgu, struct imgu_css_map *map, size_t len) { unsigned long shift = iova_shift(&imgu->iova_domain); - unsigned int alloc_sizes = imgu->mmu->pgsize_bitmap; struct device *dev = &imgu->pci_dev->dev; size_t size = PAGE_ALIGN(len); struct page **pages; @@ -114,8 +108,7 @@ void *imgu_dmamap_alloc(struct imgu_device *imgu, struct imgu_css_map *map, if (!iova) return NULL; - pages = imgu_dmamap_alloc_buffer(size, alloc_sizes >> PAGE_SHIFT, - GFP_KERNEL); + pages = imgu_dmamap_alloc_buffer(size, GFP_KERNEL); if (!pages) goto out_free_iova; @@ -257,7 +250,7 @@ int imgu_dmamap_init(struct imgu_device *imgu) if (ret) return ret; - order = __ffs(imgu->mmu->pgsize_bitmap); + order = __ffs(IPU3_PAGE_SIZE); base_pfn = max_t(unsigned long, 1, imgu->mmu->aperture_start >> order); init_iova_domain(&imgu->iova_domain, 1UL << order, base_pfn); |