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 475311390fd6..000000000000 --- a/arch/sh/boards/harp/pcidma.c +++ /dev/null | |||
@@ -1,42 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2001 David J. Mckay (david.mckay@st.com) | ||
3 | * | ||
4 | * May be copied or modified under the terms of the GNU General Public | ||
5 | * License. See linux/COPYING for more information. | ||
6 | * | ||
7 | * Dynamic DMA mapping support. | ||
8 | */ | ||
9 | |||
10 | #include <linux/types.h> | ||
11 | #include <linux/mm.h> | ||
12 | #include <linux/string.h> | ||
13 | #include <linux/pci.h> | ||
14 | #include <asm/io.h> | ||
15 | #include <asm/addrspace.h> | ||
16 | |||
17 | |||
18 | void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, | ||
19 | dma_addr_t * dma_handle) | ||
20 | { | ||
21 | void *ret; | ||
22 | int gfp = GFP_ATOMIC; | ||
23 | |||
24 | ret = (void *) __get_free_pages(gfp, get_order(size)); | ||
25 | |||
26 | if (ret != NULL) { | ||
27 | /* Is it neccessary to do the memset? */ | ||
28 | memset(ret, 0, size); | ||
29 | *dma_handle = virt_to_bus(ret); | ||
30 | } | ||
31 | /* We must flush the cache before we pass it on to the device */ | ||
32 | flush_cache_all(); | ||
33 | return P2SEGADDR(ret); | ||
34 | } | ||
35 | |||
36 | void pci_free_consistent(struct pci_dev *hwdev, size_t size, | ||
37 | void *vaddr, dma_addr_t dma_handle) | ||
38 | { | ||
39 | unsigned long p1addr=P1SEGADDR((unsigned long)vaddr); | ||
40 | |||
41 | free_pages(p1addr, get_order(size)); | ||
42 | } | ||