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authorJens Axboe <jens.axboe@oracle.com>2007-07-19 08:22:17 +0200
committerJens Axboe <jens.axboe@oracle.com>2007-10-16 11:27:31 +0200
commitd1ed455e30e439e0d1483c2e236d7e15e1010704 (patch)
tree452b5f52b54d8afbfc1fbc02b1ecbdf18e360ad0 /arch/powerpc/platforms/ps3
parent9b6eccfccbfb2cde5405021beaad2ebb8081a2e9 (diff)
PS3: sg chaining support
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'arch/powerpc/platforms/ps3')
-rw-r--r--arch/powerpc/platforms/ps3/system-bus.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index 190ff4b59a55..07e64b48e7fc 100644
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -616,17 +616,18 @@ static void ps3_unmap_single(struct device *_dev, dma_addr_t dma_addr,
}
}
-static int ps3_sb_map_sg(struct device *_dev, struct scatterlist *sg, int nents,
- enum dma_data_direction direction)
+static int ps3_sb_map_sg(struct device *_dev, struct scatterlist *sgl,
+ int nents, enum dma_data_direction direction)
{
#if defined(CONFIG_PS3_DYNAMIC_DMA)
BUG_ON("do");
return -EPERM;
#else
struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
+ struct scatterlist *sg;
int i;
- for (i = 0; i < nents; i++, sg++) {
+ for_each_sg(sgl, sg, nents, i) {
int result = ps3_dma_map(dev->d_region,
page_to_phys(sg->page) + sg->offset, sg->length,
&sg->dma_address, 0);