From 6eb484fe92e2f67f888dc87e97bfd938c0f7404e Mon Sep 17 00:00:00 2001
From: Haavard Skinnemoen <hskinnemoen@atmel.com>
Date: Thu, 1 Feb 2007 16:26:03 +0100
Subject: [PATCH] [AVR32] Implement dma_mapping_error()
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 | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/include/asm-avr32/dma-mapping.h b/include/asm-avr32/dma-mapping.h
index 5c01e27f0b41..115813e48fe0 100644
--- a/include/asm-avr32/dma-mapping.h
+++ b/include/asm-avr32/dma-mapping.h
@@ -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
--
2.34.1