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author | David S. Miller <davem@davemloft.net> | 2008-08-27 18:37:58 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-08-29 02:13:12 -0700 |
commit | 7a715f46012f3552294154978aed59cba9804928 (patch) | |
tree | 9e7079ae4ad370b63ac6c8a4face573d6cf60533 /drivers/atm | |
parent | 5778002874de0fb7e3d8c4a0a4afb6b1a6297069 (diff) | |
download | blackbird-obmc-linux-7a715f46012f3552294154978aed59cba9804928.tar.gz blackbird-obmc-linux-7a715f46012f3552294154978aed59cba9804928.zip |
sparc: Make SBUS DMA interfaces take struct device.
This is the first step in converting all the SBUS drivers
over to generic dma_*().
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/atm')
-rw-r--r-- | drivers/atm/fore200e.c | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c index 73338d231db9..c5ab44fc13df 100644 --- a/drivers/atm/fore200e.c +++ b/drivers/atm/fore200e.c @@ -678,7 +678,9 @@ fore200e_sba_write(u32 val, volatile u32 __iomem *addr) static u32 fore200e_sba_dma_map(struct fore200e* fore200e, void* virt_addr, int size, int direction) { - u32 dma_addr = sbus_map_single((struct sbus_dev*)fore200e->bus_dev, virt_addr, size, direction); + struct sbus_dev *sdev = fore200e->bus_dev; + struct device *dev = &sdev->ofdev.dev; + u32 dma_addr = sbus_map_single(dev, virt_addr, size, direction); DPRINTK(3, "SBUS DVMA mapping: virt_addr = 0x%p, size = %d, direction = %d --> dma_addr = 0x%08x\n", virt_addr, size, direction, dma_addr); @@ -690,27 +692,36 @@ fore200e_sba_dma_map(struct fore200e* fore200e, void* virt_addr, int size, int d static void fore200e_sba_dma_unmap(struct fore200e* fore200e, u32 dma_addr, int size, int direction) { + struct sbus_dev *sdev = fore200e->bus_dev; + struct device *dev = &sdev->ofdev.dev; + DPRINTK(3, "SBUS DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d,\n", dma_addr, size, direction); - sbus_unmap_single((struct sbus_dev*)fore200e->bus_dev, dma_addr, size, direction); + sbus_unmap_single(dev, dma_addr, size, direction); } static void fore200e_sba_dma_sync_for_cpu(struct fore200e* fore200e, u32 dma_addr, int size, int direction) { + struct sbus_dev *sdev = fore200e->bus_dev; + struct device *dev = &sdev->ofdev.dev; + DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); - sbus_dma_sync_single_for_cpu((struct sbus_dev*)fore200e->bus_dev, dma_addr, size, direction); + sbus_dma_sync_single_for_cpu(dev, dma_addr, size, direction); } static void fore200e_sba_dma_sync_for_device(struct fore200e* fore200e, u32 dma_addr, int size, int direction) { + struct sbus_dev *sdev = fore200e->bus_dev; + struct device *dev = &sdev->ofdev.dev; + DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); - sbus_dma_sync_single_for_device((struct sbus_dev*)fore200e->bus_dev, dma_addr, size, direction); + sbus_dma_sync_single_for_device(dev, dma_addr, size, direction); } @@ -721,11 +732,13 @@ static int fore200e_sba_dma_chunk_alloc(struct fore200e* fore200e, struct chunk* chunk, int size, int nbr, int alignment) { + struct sbus_dev *sdev = (struct sbus_dev *) fore200e->bus_dev; + struct device *dev = &sdev->ofdev.dev; + chunk->alloc_size = chunk->align_size = size * nbr; /* returned chunks are page-aligned */ - chunk->alloc_addr = sbus_alloc_consistent((struct sbus_dev*)fore200e->bus_dev, - chunk->alloc_size, + chunk->alloc_addr = sbus_alloc_consistent(dev, chunk->alloc_size, &chunk->dma_addr); if ((chunk->alloc_addr == NULL) || (chunk->dma_addr == 0)) @@ -742,10 +755,11 @@ fore200e_sba_dma_chunk_alloc(struct fore200e* fore200e, struct chunk* chunk, static void fore200e_sba_dma_chunk_free(struct fore200e* fore200e, struct chunk* chunk) { - sbus_free_consistent((struct sbus_dev*)fore200e->bus_dev, - chunk->alloc_size, - chunk->alloc_addr, - chunk->dma_addr); + struct sbus_dev *sdev = (struct sbus_dev *) fore200e->bus_dev; + struct device *dev = &sdev->ofdev.dev; + + sbus_free_consistent(dev, chunk->alloc_size, + chunk->alloc_addr, chunk->dma_addr); } |