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Diffstat (limited to 'arch/sh/mm/pg-mmu.c')
-rw-r--r--arch/sh/mm/pg-mmu.c48
1 files changed, 0 insertions, 48 deletions
diff --git a/arch/sh/mm/pg-mmu.c b/arch/sh/mm/pg-mmu.c
index 7a6ef34bd49..f51d0a4eb3b 100644
--- a/arch/sh/mm/pg-mmu.c
+++ b/arch/sh/mm/pg-mmu.c
@@ -15,54 +15,6 @@
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
-#define kmap_get_fixmap_pte(vaddr) \
- pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), (vaddr)), (vaddr)), (vaddr))
-
-static pte_t *kmap_coherent_pte;
-
-void __init kmap_coherent_init(void)
-{
- unsigned long vaddr;
-
- if (!boot_cpu_data.dcache.n_aliases)
- return;
-
- /* cache the first coherent kmap pte */
- vaddr = __fix_to_virt(FIX_CMAP_BEGIN);
- kmap_coherent_pte = kmap_get_fixmap_pte(vaddr);
-}
-
-static void *kmap_coherent(struct page *page, unsigned long addr)
-{
- enum fixed_addresses idx;
- unsigned long vaddr, flags;
- pte_t pte;
-
- BUG_ON(test_bit(PG_dcache_dirty, &page->flags));
-
- inc_preempt_count();
-
- idx = (addr & current_cpu_data.dcache.alias_mask) >> PAGE_SHIFT;
- vaddr = __fix_to_virt(FIX_CMAP_END - idx);
- pte = mk_pte(page, PAGE_KERNEL);
-
- local_irq_save(flags);
- flush_tlb_one(get_asid(), vaddr);
- local_irq_restore(flags);
-
- update_mmu_cache(NULL, vaddr, pte);
-
- set_pte(kmap_coherent_pte - (FIX_CMAP_END - idx), pte);
-
- return (void *)vaddr;
-}
-
-static inline void kunmap_coherent(void)
-{
- dec_preempt_count();
- preempt_check_resched();
-}
-
void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long vaddr, void *dst, const void *src,
unsigned long len)