diff options
Diffstat (limited to 'arch/sh/mm/consistent.c')
| -rw-r--r-- | arch/sh/mm/consistent.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index 6ea3aab508f2..f1b44697ad68 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -60,6 +60,8 @@ void *dma_generic_alloc_coherent(struct device *dev, size_t size, split_page(pfn_to_page(virt_to_phys(ret) >> PAGE_SHIFT), order); *dma_handle = virt_to_phys(ret); + if (!WARN_ON(!dev)) + *dma_handle -= PFN_PHYS(dev->dma_pfn_offset); return ret_nocache; } @@ -72,6 +74,9 @@ void dma_generic_free_coherent(struct device *dev, size_t size, unsigned long pfn = dma_handle >> PAGE_SHIFT; int k; + if (!WARN_ON(!dev)) + pfn += dev->dma_pfn_offset; + for (k = 0; k < (1 << order); k++) __free_pages(pfn_to_page(pfn + k), 0); @@ -143,7 +148,7 @@ int __init platform_resource_setup_memory(struct platform_device *pdev, if (!memsize) return 0; - buf = dma_alloc_coherent(NULL, memsize, &dma_handle, GFP_KERNEL); + buf = dma_alloc_coherent(&pdev->dev, memsize, &dma_handle, GFP_KERNEL); if (!buf) { pr_warning("%s: unable to allocate memory\n", name); return -ENOMEM; |