diff options
Diffstat (limited to 'arch/arm/mm/consistent.c')
| -rw-r--r-- | arch/arm/mm/consistent.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/consistent.c index 50e6b6bfb2e..6a9c362fef5 100644 --- a/arch/arm/mm/consistent.c +++ b/arch/arm/mm/consistent.c @@ -238,7 +238,7 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, * x86 does not mark the pages reserved... */ SetPageReserved(page); - set_pte(pte, mk_pte(page, prot)); + set_pte_ext(pte, mk_pte(page, prot), 0); page++; pte++; off++; @@ -476,6 +476,9 @@ core_initcall(consistent_init); /* * Make an area consistent for devices. + * Note: Drivers should NOT use this function directly, as it will break + * platforms with CONFIG_DMABOUNCE. + * Use the driver DMA support - see dma-mapping.h (dma_sync_*) */ void consistent_sync(void *vaddr, size_t size, int direction) { |