[PATCH 20/20] x86: delete the arch-specific dma-mapping headers.

Glauber Costa
2008-03-25T21:36:39Z

all the code that is left is ready to be merged as-is
in dma-mapping.h

Signed-off-by: Glauber Costa <gcosta@redhat.com>
---
include/asm-x86/dma-mapping.h | 19 +++++++++++++------
include/asm-x86/dma-mapping_32.h | 23 -----------------------
include/asm-x86/dma-mapping_64.h | 17 -----------------
3 files changed, 13 insertions(+), 46 deletions(-)
delete mode 100644 include/asm-x86/dma-mapping_32.h
delete mode 100644 include/asm-x86/dma-mapping_64.h

diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 9548b19..3809b35 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -11,6 +11,9 @@
#include <asm/swiotlb.h>

extern dma_addr_t bad_dma_address;
+extern int iommu_merge;
+extern struct device fallback_dev;
+extern int panic_on_overflow;

struct dma_mapping_ops {
int (*mapping_error)(dma_addr_t dma_addr);
@@ -75,12 +78,6 @@ void dma_free_coherent(struct device *dev, size_t size,
extern int dma_supported(struct device *hwdev, u64 mask);
extern int dma_set_mask(struct device *dev, u64 mask);

-#ifdef CONFIG_X86_32
-# include "dma-mapping_32.h"
-#else
-# include "dma-mapping_64.h"
-#endif
-
static inline dma_addr_t
dma_map_single(struct device *hwdev, void *ptr, size_t size,
int direction)
@@ -203,6 +200,15 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size,
flush_write_buffers();
}

+static inline int dma_get_cache_alignment(void)
+{
+ /* no easy way to get cache size on all x86, so return the
+ * maximum possible, to be safe */
+ return boot_cpu_data.x86_clflush_size;
+}
+
+#define dma_is_consistent(d, h) (1)
+
#ifdef CONFIG_X86_32
# define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
extern int
@@ -215,5 +221,6 @@ dma_release_declared_memory(struct device *dev);
extern void *
dma_mark_declared_memory_occupied(struct device *dev,
dma_addr_t device_addr, size_t size);
+extern int forbid_dac;
#endif /* CONFIG_X86_32 */
#endif
diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h
deleted file mode 100644
index 4ec4f45..0000000
--- a/include/asm-x86/dma-mapping_32.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef _ASM_I386_DMA_MAPPING_H
-#define _ASM_I386_DMA_MAPPING_H
-
-#include <linux/mm.h>
-#include <linux/scatterlist.h>
-
-#include <asm/cache.h>
-#include <asm/io.h>
-#include <asm/bug.h>
-
-extern int forbid_dac;
-
-static inline int
-dma_get_cache_alignment(void)
-{
- /* no easy way to get cache size on all x86, so return the
- * maximum possible, to be safe */
- return boot_cpu_data.x86_clflush_size;
-}
-
-#define dma_is_consistent(d, h) (1)
-
-#endif
diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h
deleted file mode 100644
index 8353025..0000000
--- a/include/asm-x86/dma-mapping_64.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef _X8664_DMA_MAPPING_H
-#define _X8664_DMA_MAPPING_H 1
-
-extern int iommu_merge;
-
-/* same for gart, swiotlb, and nommu */
-static inline int dma_get_cache_alignment(void)
-{
- return boot_cpu_data.x86_clflush_size;
-}
-
-#define dma_is_consistent(d, h) 1
-
-extern struct device fallback_dev;
-extern int panic_on_overflow;
-
-#endif /* _X8664_DMA_MAPPING_H */