diff options
Diffstat (limited to 'arch/sh/mm/consistent.c')
| -rw-r--r-- | arch/sh/mm/consistent.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index edcd5fbf965..8c9ee855328 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -12,6 +12,7 @@ #include <linux/mm.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> +#include <linux/dma-debug.h> #include <asm/cacheflush.h> #include <asm/addrspace.h> #include <asm/io.h> @@ -45,6 +46,9 @@ void *dma_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); + + debug_dma_alloc_coherent(dev, size, *dma_handle, ret_nocache); + return ret_nocache; } EXPORT_SYMBOL(dma_alloc_coherent); @@ -56,12 +60,15 @@ void dma_free_coherent(struct device *dev, size_t size, unsigned long pfn = dma_handle >> PAGE_SHIFT; int k; - if (!dma_release_from_coherent(dev, order, vaddr)) { - WARN_ON(irqs_disabled()); /* for portability */ - for (k = 0; k < (1 << order); k++) - __free_pages(pfn_to_page(pfn + k), 0); - iounmap(vaddr); - } + WARN_ON(irqs_disabled()); /* for portability */ + + if (dma_release_from_coherent(dev, order, vaddr)) + return; + + debug_dma_free_coherent(dev, size, vaddr, dma_handle); + for (k = 0; k < (1 << order); k++) + __free_pages(pfn_to_page(pfn + k), 0); + iounmap(vaddr); } EXPORT_SYMBOL(dma_free_coherent); |