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xtensa: provide DMA_ERROR_CODE definition 

This fixes the following allmodconfig build error:

drivers/uio/uio_dmem_genirq.c:95:18: error: 'DMA_ERROR_CODE' undeclared (first use in this function)
drivers/uio/uio_dmem_genirq.c:238:18: error: 'DMA_ERROR_CODE' undeclared (first use in this function)
make[3]: *** [drivers/uio/uio_dmem_genirq.o] Error 1

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
This commit is contained in:
Max Filippov 2012-11-01 18:38:27 +04:00 committed by Chris Zankel
parent 94d6c61b97
commit 35b16a9a09
1 changed files with 2 additions and 0 deletions
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2
arch/xtensa/include/asm/dma-mapping.h
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@ -16,6 +16,8 @@
#include <linux/mm.h>
#include <linux/scatterlist.h>
#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
/*
* DMA-consistent mapping functions.
*/