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authorAndrew Morton <akpm@osdl.org>2004-02-22 07:04:34 -0800
committerLinus Torvalds <torvalds@ppc970.osdl.org>2004-02-22 07:04:34 -0800
commitcb74ba0d864691f33765a78c01510ded5e08f2fa (patch)
treeb4e88e0149754166d64384fce9d755147476c0d1 /include/asm-generic
parent297b5efbf77b0fd7150de785d0a97af1a6f011f9 (diff)
[PATCH] m68k: Dummy dma mapping
From: Geert Uytterhoeven <geert@linux-m68k.org> Add a dummy <asm-generic/dma-mapping-broken.h> for systems that don't support the new DMA API, and make m68k use it if !CONFIG_PCI
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/dma-mapping-broken.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/asm-generic/dma-mapping-broken.h b/include/asm-generic/dma-mapping-broken.h
new file mode 100644
index 000000000000..e3185b194c3e
--- /dev/null
+++ b/include/asm-generic/dma-mapping-broken.h
@@ -0,0 +1,22 @@
+#ifndef _ASM_GENERIC_DMA_MAPPING_H
+#define _ASM_GENERIC_DMA_MAPPING_H
+
+/* This is used for archs that do not support DMA */
+
+
+static inline void *
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+ int flag)
+{
+ BUG();
+ return 0;
+}
+
+static inline void
+dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+ dma_addr_t dma_handle)
+{
+ BUG();
+}
+
+#endif /* _ASM_GENERIC_DMA_MAPPING_H */