[AVR32] Implement dma_mapping_error()
authorHaavard Skinnemoen <hskinnemoen@atmel.com>
Thu, 1 Feb 2007 15:26:03 +0000 (16:26 +0100)
committerHaavard Skinnemoen <hskinnemoen@atmel.com>
Fri, 9 Feb 2007 14:01:57 +0000 (15:01 +0100)
dma_map_single() never fails, so dma_mapping_error() simply returns 0.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
include/asm-avr32/dma-mapping.h

index 5c01e27f0b41d61ac58f3c49e9f2a38aabff1b4c..115813e48fe0c11005181dee7bda548ebad73bb6 100644 (file)
@@ -32,6 +32,14 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask)
        return 0;
 }
 
+/*
+ * dma_map_single can't fail as it is implemented now.
+ */
+static inline int dma_mapping_error(dma_addr_t addr)
+{
+       return 0;
+}
+
 /**
  * dma_alloc_coherent - allocate consistent memory for DMA
  * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices