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| author | Jens Axboe <jens.axboe@oracle.com> | 2007-07-19 08:22:17 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-16 11:27:31 +0200 |
| commit | d1ed455e30e439e0d1483c2e236d7e15e1010704 (patch) | |
| tree | 452b5f52b54d8afbfc1fbc02b1ecbdf18e360ad0 /arch/powerpc/platforms/ps3/system-bus.c | |
| parent | 9b6eccfccbfb2cde5405021beaad2ebb8081a2e9 (diff) | |
| download | blackbird-obmc-linux-d1ed455e30e439e0d1483c2e236d7e15e1010704.tar.gz blackbird-obmc-linux-d1ed455e30e439e0d1483c2e236d7e15e1010704.zip | |
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/system-bus.c')
| -rw-r--r-- | arch/powerpc/platforms/ps3/system-bus.c | 7 |
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); |
