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[SPARC32]: Remove iommu from struct sbus_bus and use archdata like sparc64.

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Signed-off-by: Robert Reif <reif@earthlink.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Robert Reif
2007-08-10 15:52:06 -07:00
committed by David S. Miller
parent ac07860264
commit 3ac4c949e0
4 changed files with 16 additions and 16 deletions
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18
arch/sparc/mm/io-unit.c
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@@ -66,7 +66,7 @@ iounit_init(int sbi_node, int io_node, struct sbus_bus *sbus)
}
if(!xpt) panic("Cannot map External Page Table.");
sbus->iommu = (struct iommu_struct *)iounit;
sbus->ofdev.dev.archdata.iommu = iounit;
iounit->page_table = xpt;
spin_lock_init(&iounit->lock);
@@ -127,7 +127,7 @@ nexti: scan = find_next_zero_bit(iounit->bmap, limit, scan);
static __u32 iounit_get_scsi_one(char *vaddr, unsigned long len, struct sbus_bus *sbus)
{
unsigned long ret, flags;
struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
spin_lock_irqsave(&iounit->lock, flags);
ret = iounit_get_area(iounit, (unsigned long)vaddr, len);
@@ -138,7 +138,7 @@ static __u32 iounit_get_scsi_one(char *vaddr, unsigned long len, struct sbus_bus
static void iounit_get_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
{
unsigned long flags;
struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
/* FIXME: Cache some resolved pages - often several sg entries are to the same page */
spin_lock_irqsave(&iounit->lock, flags);
@@ -153,7 +153,7 @@ static void iounit_get_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus
static void iounit_release_scsi_one(__u32 vaddr, unsigned long len, struct sbus_bus *sbus)
{
unsigned long flags;
struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
spin_lock_irqsave(&iounit->lock, flags);
len = ((vaddr & ~PAGE_MASK) + len + (PAGE_SIZE-1)) >> PAGE_SHIFT;
@@ -168,7 +168,7 @@ static void iounit_release_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_
{
unsigned long flags;
unsigned long vaddr, len;
struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
spin_lock_irqsave(&iounit->lock, flags);
while (sz != 0) {
@@ -211,7 +211,7 @@ 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 = (struct iounit_struct *)sbus->iommu;
struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
iopte = (iopte_t *)(iounit->page_table + i);
*iopte = MKIOPTE(__pa(page));
@@ -235,7 +235,7 @@ static void iounit_unmap_dma_area(unsigned long addr, int len)
static struct page *iounit_translate_dvma(unsigned long addr)
{
struct sbus_bus *sbus = sbus_root; /* They are all the same */
struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
int i;
iopte_t *iopte;
@@ -279,7 +279,7 @@ __u32 iounit_map_dma_init(struct sbus_bus *sbus, int size)
unsigned long rotor, scan, limit;
unsigned long flags;
__u32 ret;
struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
npages = (size + (PAGE_SIZE-1)) >> PAGE_SHIFT;
i = 0x0213;
@@ -315,7 +315,7 @@ nexti: scan = find_next_zero_bit(iounit->bmap, limit, scan);
__u32 iounit_map_dma_page(__u32 vaddr, void *addr, struct sbus_bus *sbus)
{
int scan = (vaddr - IOUNIT_DMA_BASE) >> PAGE_SHIFT;
struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
iounit->page_table[scan] = MKIOPTE(__pa(((unsigned long)addr) & PAGE_MASK));
return vaddr + (((unsigned long)addr) & ~PAGE_MASK);