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| author | David S. Miller <davem@davemloft.net> | 2008-08-28 05:40:38 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-08-29 13:15:07 +0400 |
| commit | 4b1c5df2af38b2681b7c1a058534d17c54aaf6cf (patch) | |
| tree | 3fd9131a506185fa942865cc5e54ecf274a3b5fb /arch/sparc/mm/io-unit.c | |
| parent | b1387c35bef6da55f6f2c27dfb748c86a4ef7ef9 (diff) | |
| download | linux-4b1c5df2af38b2681b7c1a058534d17c54aaf6cf.tar.xz | |
sparc32: Make mmu_map_dma_area and mmu_unmap_dma_area take a device pointer.
This lets us kill this "map it in every IOMMU" crazy code, and also
some of the final references to sbus_root.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/mm/io-unit.c')
| -rw-r--r-- | arch/sparc/mm/io-unit.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c index 6b469820fb92..0f97ab30df3f 100644 --- a/arch/sparc/mm/io-unit.c +++ b/arch/sparc/mm/io-unit.c @@ -186,12 +186,12 @@ static void iounit_release_scsi_sgl(struct device *dev, struct scatterlist *sg, } #ifdef CONFIG_SBUS -static int iounit_map_dma_area(dma_addr_t *pba, unsigned long va, __u32 addr, int len) +static int iounit_map_dma_area(struct device *dev, dma_addr_t *pba, unsigned long va, __u32 addr, int len) { + struct iounit_struct *iounit = dev->archdata.iommu; unsigned long page, end; pgprot_t dvma_prot; iopte_t *iopte; - struct sbus_bus *sbus; *pba = addr; @@ -213,12 +213,8 @@ static int iounit_map_dma_area(dma_addr_t *pba, unsigned long va, __u32 addr, in i = ((addr - IOUNIT_DMA_BASE) >> PAGE_SHIFT); - for_each_sbus(sbus) { - struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu; - - iopte = (iopte_t *)(iounit->page_table + i); - *iopte = MKIOPTE(__pa(page)); - } + iopte = (iopte_t *)(iounit->page_table + i); + *iopte = MKIOPTE(__pa(page)); } addr += PAGE_SIZE; va += PAGE_SIZE; @@ -229,7 +225,7 @@ static int iounit_map_dma_area(dma_addr_t *pba, unsigned long va, __u32 addr, in return 0; } -static void iounit_unmap_dma_area(unsigned long addr, int len) +static void iounit_unmap_dma_area(struct device *dev, unsigned long addr, int len) { /* XXX Somebody please fill this in */ } |