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authorIngo Molnar <mingo@elte.hu>2008-12-29 09:42:58 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-29 10:37:07 +0100
commit0ce74d9296c971b2355c26984ad0bc538e34dd6c (patch)
tree566d03e2a4f6b42dab9628cd82c93cd61d587467 /arch/sh/mm/consistent.c
parent1cc4fff0b360aeffeedb7d6db5089d88dd861700 (diff)
parent3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff)
Merge branch 'linus' into timers/hrtimers
Conflicts: sound/drivers/pcsp/pcsp.c Semantic conflict: sound/core/hrtimer.c
Diffstat (limited to 'arch/sh/mm/consistent.c')
-rw-r--r--arch/sh/mm/consistent.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index 9f8ea3ada4db..edcd5fbf9651 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -42,6 +42,8 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
return NULL;
}
+ split_page(pfn_to_page(virt_to_phys(ret) >> PAGE_SHIFT), order);
+
*dma_handle = virt_to_phys(ret);
return ret_nocache;
}
@@ -51,10 +53,13 @@ void dma_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle)
{
int order = get_order(size);
+ unsigned long pfn = dma_handle >> PAGE_SHIFT;
+ int k;
if (!dma_release_from_coherent(dev, order, vaddr)) {
WARN_ON(irqs_disabled()); /* for portability */
- free_pages((unsigned long)phys_to_virt(dma_handle), order);
+ for (k = 0; k < (1 << order); k++)
+ __free_pages(pfn_to_page(pfn + k), 0);
iounmap(vaddr);
}
}