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authorJens Axboe <jens.axboe@oracle.com>2007-05-14 15:44:38 +0200
committerJens Axboe <jens.axboe@oracle.com>2007-10-16 11:27:32 +0200
commit0912a5db0ea45d8aef3ee99a882e093285e32c3c (patch)
treeeef222f8bce729c7bf0fa988e0c77918032f55a3 /arch/sparc/mm/sun4c.c
parent78bdc3106a877cfa50439fa66b52acbc4e7868df (diff)
SPARC: sg chaining support
This updates the sparc iommu/pci dma mappers to sg chaining. Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'arch/sparc/mm/sun4c.c')
-rw-r--r--arch/sparc/mm/sun4c.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index 005a3e72d4f..ee6708fc449 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -17,8 +17,8 @@
#include <linux/highmem.h>
#include <linux/fs.h>
#include <linux/seq_file.h>
+#include <linux/scatterlist.h>
-#include <asm/scatterlist.h>
#include <asm/page.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
@@ -1228,8 +1228,9 @@ static void sun4c_get_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus *
{
while (sz != 0) {
--sz;
- sg[sz].dvma_address = (__u32)sun4c_lockarea(page_address(sg[sz].page) + sg[sz].offset, sg[sz].length);
- sg[sz].dvma_length = sg[sz].length;
+ sg->dvma_address = (__u32)sun4c_lockarea(page_address(sg->page) + sg->offset, sg->length);
+ sg->dvma_length = sg->length;
+ sg = sg_next(sg);
}
}
@@ -1244,7 +1245,8 @@ static void sun4c_release_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_b
{
while (sz != 0) {
--sz;
- sun4c_unlockarea((char *)sg[sz].dvma_address, sg[sz].length);
+ sun4c_unlockarea((char *)sg->dvma_address, sg->length);
+ sg = sg_next(sg);
}
}