[SPARC]: Kill io_remap_page_range()
It's been deprecated long enough and there are no in-tree
users any longer.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index 8faa8dc..5d974a2 100644
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -175,7 +175,6 @@
EXPORT_SYMBOL(get_auxio);
#endif
EXPORT_SYMBOL(request_fast_irq);
-EXPORT_SYMBOL(io_remap_page_range);
EXPORT_SYMBOL(io_remap_pfn_range);
/* P3: iounit_xxx may be needed, sun4d users */
/* EXPORT_SYMBOL(iounit_map_dma_init); */
diff --git a/arch/sparc/mm/generic.c b/arch/sparc/mm/generic.c
index db27eee..20ccb95 100644
--- a/arch/sparc/mm/generic.c
+++ b/arch/sparc/mm/generic.c
@@ -16,31 +16,6 @@
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
-static inline void forget_pte(pte_t page)
-{
-#if 0 /* old 2.4 code */
- if (pte_none(page))
- return;
- if (pte_present(page)) {
- unsigned long pfn = pte_pfn(page);
- struct page *ptpage;
- if (!pfn_valid(pfn))
- return;
- ptpage = pfn_to_page(pfn);
- if (PageReserved(ptpage))
- return;
- page_cache_release(ptpage);
- return;
- }
- swap_free(pte_to_swp_entry(page));
-#else
- if (!pte_none(page)) {
- printk("forget_pte: old mapping existed!\n");
- BUG();
- }
-#endif
-}
-
/* Remap IO memory, the same way as remap_pfn_range(), but use
* the obio memory space.
*
@@ -60,7 +35,6 @@
pte_t oldpage = *pte;
pte_clear(mm, address, pte);
set_pte(pte, mk_pte_io(offset, prot, space));
- forget_pte(oldpage);
address += PAGE_SIZE;
offset += PAGE_SIZE;
pte++;
@@ -88,37 +62,6 @@
return 0;
}
-int io_remap_page_range(struct vm_area_struct *vma, unsigned long from, unsigned long offset, unsigned long size, pgprot_t prot, int space)
-{
- int error = 0;
- pgd_t * dir;
- unsigned long beg = from;
- unsigned long end = from + size;
- struct mm_struct *mm = vma->vm_mm;
-
- prot = __pgprot(pg_iobits);
- offset -= from;
- dir = pgd_offset(mm, from);
- flush_cache_range(vma, beg, end);
-
- spin_lock(&mm->page_table_lock);
- while (from < end) {
- pmd_t *pmd = pmd_alloc(current->mm, dir, from);
- error = -ENOMEM;
- if (!pmd)
- break;
- error = io_remap_pmd_range(mm, pmd, from, end - from, offset + from, prot, space);
- if (error)
- break;
- from = (from + PGDIR_SIZE) & PGDIR_MASK;
- dir++;
- }
- spin_unlock(&mm->page_table_lock);
-
- flush_tlb_range(vma, beg, end);
- return error;
-}
-
int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
unsigned long pfn, unsigned long size, pgprot_t prot)
{
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index f21c993..ec8bf40 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -736,8 +736,7 @@
static void __pci_mmap_set_pgprot(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state)
{
- /* Our io_remap_page_range/io_remap_pfn_range takes care of this,
- do nothing. */
+ /* Our io_remap_pfn_range takes care of this, do nothing. */
}
/* Perform the actual remap of the pages for a PCI device mapping, as appropriate
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index a3ea697..d89fc24 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -88,8 +88,6 @@
extern int compat_sys_ioctl(unsigned int fd, unsigned int cmd, u32 arg);
extern int (*handle_mathemu)(struct pt_regs *, struct fpustate *);
extern long sparc32_open(const char __user * filename, int flags, int mode);
-extern int io_remap_page_range(struct vm_area_struct *vma, unsigned long from,
- unsigned long offset, unsigned long size, pgprot_t prot, int space);
extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
unsigned long pfn, unsigned long size, pgprot_t prot);
extern void (*prom_palette)(int);
@@ -245,7 +243,6 @@
#endif
/* I/O device mmaping on Sparc64. */
-EXPORT_SYMBOL(io_remap_page_range);
EXPORT_SYMBOL(io_remap_pfn_range);
/* Solaris/SunOS binary compatibility */
diff --git a/arch/sparc64/mm/generic.c b/arch/sparc64/mm/generic.c
index 6b31f61..c954d91 100644
--- a/arch/sparc64/mm/generic.c
+++ b/arch/sparc64/mm/generic.c
@@ -116,37 +116,6 @@
return 0;
}
-int io_remap_page_range(struct vm_area_struct *vma, unsigned long from, unsigned long offset, unsigned long size, pgprot_t prot, int space)
-{
- int error = 0;
- pgd_t * dir;
- unsigned long beg = from;
- unsigned long end = from + size;
- struct mm_struct *mm = vma->vm_mm;
-
- prot = __pgprot(pg_iobits);
- offset -= from;
- dir = pgd_offset(mm, from);
- flush_cache_range(vma, beg, end);
-
- spin_lock(&mm->page_table_lock);
- while (from < end) {
- pud_t *pud = pud_alloc(mm, dir, from);
- error = -ENOMEM;
- if (!pud)
- break;
- error = io_remap_pud_range(mm, pud, from, end - from, offset + from, prot, space);
- if (error)
- break;
- from = (from + PGDIR_SIZE) & PGDIR_MASK;
- dir++;
- }
- flush_tlb_range(vma, beg, end);
- spin_unlock(&mm->page_table_lock);
-
- return error;
-}
-
int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
unsigned long pfn, unsigned long size, pgprot_t prot)
{
