swiotlb: remove GFP_DMA hack in swiotlb_alloc_coherent

The callers are supposed to set up the gfp flags appropriately.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 977edbdbc1debada5937958f5835b1dc88c9beba..3066ffe1f9eb3a4cd7f6feadbb3220f182d5e48f 100644 (file)
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -467,13 +467,6 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
        void *ret;
        int order = get_order(size);
 
-       /*
-        * XXX fix me: the DMA API should pass us an explicit DMA mask
-        * instead, or use ZONE_DMA32 (ia64 overloads ZONE_DMA to be a ~32
-        * bit range instead of a 16MB one).
-        */
-       flags |= GFP_DMA;
-
        ret = (void *)__get_free_pages(flags, order);
        if (ret && address_needs_mapping(hwdev, virt_to_bus(ret))) {
                /*