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authorDavid S. Miller <davem@davemloft.net>2008-08-27 02:29:50 -0700
committerDavid S. Miller <davem@davemloft.net>2008-08-29 02:15:03 -0700
commitb1387c35bef6da55f6f2c27dfb748c86a4ef7ef9 (patch)
tree00d3a5e9b9a37c8b1ea757f1383ec1866316e162 /arch/sparc/mm
parentaba945e76b9caeae5b6cfff179ca7bebb9bac805 (diff)
sparc32: Kill mmu_translate_dvma and implementations.
No longer used. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/mm')
-rw-r--r--arch/sparc/mm/io-unit.c14
-rw-r--r--arch/sparc/mm/iommu.c10
-rw-r--r--arch/sparc/mm/sun4c.c8
3 files changed, 0 insertions, 32 deletions
diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index 4239655a6aaf..6b469820fb92 100644
--- a/arch/sparc/mm/io-unit.c
+++ b/arch/sparc/mm/io-unit.c
@@ -233,19 +233,6 @@ static void iounit_unmap_dma_area(unsigned long addr, int len)
{
/* XXX Somebody please fill this in */
}
-
-/* XXX We do not pass sbus device here, bad. */
-static struct page *iounit_translate_dvma(unsigned long addr)
-{
- struct sbus_bus *sbus = sbus_root; /* They are all the same */
- struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
- int i;
- iopte_t *iopte;
-
- i = ((addr - IOUNIT_DMA_BASE) >> PAGE_SHIFT);
- iopte = (iopte_t *)(iounit->page_table + i);
- return pfn_to_page(iopte_val(*iopte) >> (PAGE_SHIFT-4)); /* XXX sun4d guru, help */
-}
#endif
static char *iounit_lockarea(char *vaddr, unsigned long len)
@@ -272,7 +259,6 @@ void __init ld_mmu_iounit(void)
#ifdef CONFIG_SBUS
BTFIXUPSET_CALL(mmu_map_dma_area, iounit_map_dma_area, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(mmu_unmap_dma_area, iounit_unmap_dma_area, BTFIXUPCALL_NORM);
- BTFIXUPSET_CALL(mmu_translate_dvma, iounit_translate_dvma, BTFIXUPCALL_NORM);
#endif
}
diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index 8e9ab930f097..832d99f33470 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -421,15 +421,6 @@ static void iommu_unmap_dma_area(unsigned long busa, int len)
iommu_invalidate(iommu->regs);
bit_map_clear(&iommu->usemap, ioptex, len >> PAGE_SHIFT);
}
-
-static struct page *iommu_translate_dvma(unsigned long busa)
-{
- struct iommu_struct *iommu = sbus_root->ofdev.dev.archdata.iommu;
- iopte_t *iopte = iommu->page_table;
-
- iopte += ((busa - iommu->start) >> PAGE_SHIFT);
- return pfn_to_page((iopte_val(*iopte) & IOPTE_PAGE) >> (PAGE_SHIFT-4));
-}
#endif
static char *iommu_lockarea(char *vaddr, unsigned long len)
@@ -465,7 +456,6 @@ void __init ld_mmu_iommu(void)
#ifdef CONFIG_SBUS
BTFIXUPSET_CALL(mmu_map_dma_area, iommu_map_dma_area, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(mmu_unmap_dma_area, iommu_unmap_dma_area, BTFIXUPCALL_NORM);
- BTFIXUPSET_CALL(mmu_translate_dvma, iommu_translate_dvma, BTFIXUPCALL_NORM);
#endif
if (viking_mxcc_present || srmmu_modtype == HyperSparc) {
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index d1782f6368be..65af3119f5ac 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -555,13 +555,6 @@ static int sun4c_map_dma_area(dma_addr_t *pba, unsigned long va,
return 0;
}
-static struct page *sun4c_translate_dvma(unsigned long busa)
-{
- /* Fortunately for us, bus_addr == uncached_virt in sun4c. */
- unsigned long pte = sun4c_get_pte(busa);
- return pfn_to_page(pte & SUN4C_PFN_MASK);
-}
-
static void sun4c_unmap_dma_area(unsigned long busa, int len)
{
/* Fortunately for us, bus_addr == uncached_virt in sun4c. */
@@ -2263,7 +2256,6 @@ void __init ld_mmu_sun4c(void)
BTFIXUPSET_CALL(mmu_map_dma_area, sun4c_map_dma_area, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(mmu_unmap_dma_area, sun4c_unmap_dma_area, BTFIXUPCALL_NORM);
- BTFIXUPSET_CALL(mmu_translate_dvma, sun4c_translate_dvma, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(sparc_mapiorange, sun4c_mapiorange, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(sparc_unmapiorange, sun4c_unmapiorange, BTFIXUPCALL_NORM);