commit 35b16a9a093757a7a1ef288eea1128b0b4a3eef7
author Max Filippov <jcmvbkbc@gmail.com> Thu Nov 01 18:38:27 2012 +0400
committer Chris Zankel <chris@zankel.net> Tue Dec 18 21:10:21 2012 -0800
tree cc20373d9277e83301db8344a8555bc2f90dab6a
parent 94d6c61b97cbcb3b538276c3785896ea12ecaecb

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>

arch/xtensa/include/asm/dma-mapping.h

diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h
index 492c957..eb69743 100644
--- a/arch/xtensa/include/asm/dma-mapping.h
+++ b/arch/xtensa/include/asm/dma-mapping.h
@@ -16,6 +16,8 @@
 #include <linux/mm.h>
 #include <linux/scatterlist.h>
 
+#define DMA_ERROR_CODE		(~(dma_addr_t)0x0)
+
 /*
  * DMA-consistent mapping functions.
  */