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-rw-r--r--include/linux/dma-mapping.h16
-rw-r--r--include/linux/pci-dma.h21
2 files changed, 22 insertions, 15 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 91b761846061..c5ac9d49cc06 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -232,4 +232,20 @@ struct dma_attrs;
232 232
233#endif /* CONFIG_HAVE_DMA_ATTRS */ 233#endif /* CONFIG_HAVE_DMA_ATTRS */
234 234
235#ifdef CONFIG_NEED_DMA_MAP_STATE
236#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME
237#define DEFINE_DMA_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME
238#define dma_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME)
239#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
240#define dma_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME)
241#define dma_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL))
242#else
243#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME)
244#define DEFINE_DMA_UNMAP_LEN(LEN_NAME)
245#define dma_unmap_addr(PTR, ADDR_NAME) (0)
246#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
247#define dma_unmap_len(PTR, LEN_NAME) (0)
248#define dma_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
249#endif
250
235#endif 251#endif
diff --git a/include/linux/pci-dma.h b/include/linux/pci-dma.h
index cfd63ab09abc..549a041f9c08 100644
--- a/include/linux/pci-dma.h
+++ b/include/linux/pci-dma.h
@@ -1,20 +1,11 @@
1#ifndef _LINUX_PCI_DMA_H 1#ifndef _LINUX_PCI_DMA_H
2#define _LINUX_PCI_DMA_H 2#define _LINUX_PCI_DMA_H
3 3
4#ifdef CONFIG_NEED_DMA_MAP_STATE 4#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) DEFINE_DMA_UNMAP_ADDR(ADDR_NAME);
5#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME; 5#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) DEFINE_DMA_UNMAP_LEN(LEN_NAME);
6#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME; 6#define pci_unmap_addr dma_unmap_addr
7#define pci_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME) 7#define pci_unmap_addr_set dma_unmap_addr_set
8#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL)) 8#define pci_unmap_len dma_unmap_len
9#define pci_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME) 9#define pci_unmap_len_set dma_unmap_len_set
10#define pci_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL))
11#else
12#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
13#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
14#define pci_unmap_addr(PTR, ADDR_NAME) (0)
15#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
16#define pci_unmap_len(PTR, LEN_NAME) (0)
17#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
18#endif
19 10
20#endif 11#endif