commit 2c941a204070ab32d92d40318a3196a7fb994c00
author Jens Axboe <jens.axboe@oracle.com> Tue Aug 07 09:37:10 2007 +0200
committer Jens Axboe <jens.axboe@oracle.com> Tue Oct 16 11:27:32 2007 +0200
tree 94dc01c168b8330ab0390faeb602728a82e64df6
parent 0912a5db0ea45d8aef3ee99a882e093285e32c3c

SPARC64: sg chaining support

This updates the sparc64 iommu/pci dma mappers to sg chaining.

Acked-by: David S. Miller <davem@davemloft.net>

Later updated to newer kernel with unified sparc64 iommu sg handling.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

include/asm-sparc64/scatterlist.h

diff --git a/include/asm-sparc64/scatterlist.h b/include/asm-sparc64/scatterlist.h
index 048fdb4..703c5bb 100644
--- a/include/asm-sparc64/scatterlist.h
+++ b/include/asm-sparc64/scatterlist.h
@@ -20,4 +20,6 @@
 
 #define ISA_DMA_THRESHOLD	(~0UL)
 
+#define ARCH_HAS_SG_CHAIN
+
 #endif /* !(_SPARC64_SCATTERLIST_H) */