diff options
Diffstat (limited to 'arch/sh/boards/harp/pcidma.c')
-rw-r--r-- | arch/sh/boards/harp/pcidma.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/arch/sh/boards/harp/pcidma.c b/arch/sh/boards/harp/pcidma.c deleted file mode 100644 index 475311390fd..00000000000 --- a/arch/sh/boards/harp/pcidma.c +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright (C) 2001 David J. Mckay (david.mckay@st.com) - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * Dynamic DMA mapping support. - */ - -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/string.h> -#include <linux/pci.h> -#include <asm/io.h> -#include <asm/addrspace.h> - - -void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, - dma_addr_t * dma_handle) -{ - void *ret; - int gfp = GFP_ATOMIC; - - ret = (void *) __get_free_pages(gfp, get_order(size)); - - if (ret != NULL) { - /* Is it neccessary to do the memset? */ - memset(ret, 0, size); - *dma_handle = virt_to_bus(ret); - } - /* We must flush the cache before we pass it on to the device */ - flush_cache_all(); - return P2SEGADDR(ret); -} - -void pci_free_consistent(struct pci_dev *hwdev, size_t size, - void *vaddr, dma_addr_t dma_handle) -{ - unsigned long p1addr=P1SEGADDR((unsigned long)vaddr); - - free_pages(p1addr, get_order(size)); -} |