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[PATCH] m68k: Add the generic dma API functions

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Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Roman Zippel
2006-06-25 05:46:56 -07:00
committed by Linus Torvalds
parent 3921ee21e0
commit b035c96b2d
6 changed files with 197 additions and 17 deletions
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8
drivers/scsi/sun3x_esp.c
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@@ -332,11 +332,11 @@ static void dma_mmu_get_scsi_sgl (struct NCR_ESP *esp, Scsi_Cmnd *sp)
struct scatterlist *sg = sp->SCp.buffer;
while (sz >= 0) {
sg[sz].dvma_address = dvma_map((unsigned long)page_address(sg[sz].page) +
sg[sz].dma_address = dvma_map((unsigned long)page_address(sg[sz].page) +
sg[sz].offset, sg[sz].length);
sz--;
}
sp->SCp.ptr=(char *)((unsigned long)sp->SCp.buffer->dvma_address);
sp->SCp.ptr=(char *)((unsigned long)sp->SCp.buffer->dma_address);
}
static void dma_mmu_release_scsi_one (struct NCR_ESP *esp, Scsi_Cmnd *sp)
@@ -350,14 +350,14 @@ static void dma_mmu_release_scsi_sgl (struct NCR_ESP *esp, Scsi_Cmnd *sp)
struct scatterlist *sg = (struct scatterlist *)sp->buffer;
while(sz >= 0) {
dvma_unmap((char *)sg[sz].dvma_address);
dvma_unmap((char *)sg[sz].dma_address);
sz--;
}
}
static void dma_advance_sg (Scsi_Cmnd *sp)
{
sp->SCp.ptr = (char *)((unsigned long)sp->SCp.buffer->dvma_address);
sp->SCp.ptr = (char *)((unsigned long)sp->SCp.buffer->dma_address);
}
static int sun3x_esp_release(struct Scsi_Host *instance)