sh: Revert lazy dcache writeback changes.
These ended up causing too many problems on older parts,
revert for now..
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h
index 9214c01..184d7fc 100644
--- a/include/asm-sh/pgtable.h
+++ b/include/asm-sh/pgtable.h
@@ -583,6 +583,11 @@
extern unsigned int kobjsize(const void *objp);
#endif /* !CONFIG_MMU */
+#if defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB)
+#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
+extern pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
+#endif
+
extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
extern void paging_init(void);