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
---
25-akpm/include/asm-generic/dma-mapping-broken.h | 22 ++++++++++++++++++++++
25-akpm/include/asm-m68k/dma-mapping.h | 2 ++
2 files changed, 24 insertions(+)
diff -puN /dev/null include/asm-generic/dma-mapping-broken.h
--- /dev/null Thu Apr 11 07:25:15 2002
+++ 25-akpm/include/asm-generic/dma-mapping-broken.h Fri Feb 20 15:12:30 2004
@@ -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 */
diff -puN include/asm-m68k/dma-mapping.h~m68k-414 include/asm-m68k/dma-mapping.h
--- 25/include/asm-m68k/dma-mapping.h~m68k-414 Fri Feb 20 15:12:30 2004
+++ 25-akpm/include/asm-m68k/dma-mapping.h Fri Feb 20 15:12:30 2004
@@ -5,6 +5,8 @@
#ifdef CONFIG_PCI
#include <asm-generic/dma-mapping.h>
+#else
+#include <asm-generic/dma-mapping-broken.h>
#endif
#endif /* _M68K_DMA_MAPPING_H */
_