Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/dtor/input
[pandora-kernel.git] / arch / arm / mm / consistent.c
index b797217..1f9f94f 100644 (file)
@@ -205,9 +205,10 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp,
         * kernel direct-mapped region for device DMA.
         */
        {
-               unsigned long kaddr = (unsigned long)page_address(page);
-               memset(page_address(page), 0, size);
-               dmac_flush_range(kaddr, kaddr + size);
+               void *ptr = page_address(page);
+               memset(ptr, 0, size);
+               dmac_flush_range(ptr, ptr + size);
+               outer_flush_range(__pa(ptr), __pa(ptr) + size);
        }
 
        /*
@@ -238,7 +239,7 @@ __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++;
@@ -480,20 +481,24 @@ core_initcall(consistent_init);
  * 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)
+void consistent_sync(const void *start, size_t size, int direction)
 {
-       unsigned long start = (unsigned long)vaddr;
-       unsigned long end   = start + size;
+       const void *end = start + size;
+
+       BUG_ON(!virt_addr_valid(start) || !virt_addr_valid(end - 1));
 
        switch (direction) {
        case DMA_FROM_DEVICE:           /* invalidate only */
                dmac_inv_range(start, end);
+               outer_inv_range(__pa(start), __pa(end));
                break;
        case DMA_TO_DEVICE:             /* writeback only */
                dmac_clean_range(start, end);
+               outer_clean_range(__pa(start), __pa(end));
                break;
        case DMA_BIDIRECTIONAL:         /* writeback and invalidate */
                dmac_flush_range(start, end);
+               outer_flush_range(__pa(start), __pa(end));
                break;
        default:
                BUG();