sparc32: remove custom definition of mk_pte()

Instead of defining pfn_pte() in terms of mk_pte(), make pfn_pte() the
base implementation. That lets us use the generic definition of mk_pte().

Link: https://lkml.kernel.org/r/[e-mail]
Signed-off-by: Matthew Wilcox (Oracle) <[e-mail]>
Cc: Zi Yan <[e-mail]>
Cc: "David S. Miller" <[e-mail]>
Cc: Andreas Larsson <[e-mail]>
Cc: Alexander Gordeev <[e-mail]>
Cc: Anton Ivanov <[e-mail]>
Cc: Dave Hansen <[e-mail]>
Cc: David Hildenbrand <[e-mail]>
Cc: Geert Uytterhoeven <[e-mail]>
Cc: Johannes Berg <[e-mail]>
Cc: Muchun Song <[e-mail]>
Cc: Richard Weinberger <[e-mail]>
Cc: <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>

arch/sparc/include/asm/pgtable_32.h

···
 }
 
 #define PFN_PTE_SHIFT			(PAGE_SHIFT - 4)
-#define pfn_pte(pfn, prot)		mk_pte(pfn_to_page(pfn), prot)
+
+static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot)
+{
+	return __pte((pfn << PFN_PTE_SHIFT) | pgprot_val(pgprot));
+}
 
 static inline unsigned long pte_pfn(pte_t pte)
 {
···
 }
 
 #define pte_page(pte)	pfn_to_page(pte_pfn(pte))
-
-/*
- * Conversion functions: convert a page and protection to a page entry,
- * and a page entry and page directory to the page they refer to.
- */
-static inline pte_t mk_pte(struct page *page, pgprot_t pgprot)
-{
-	return __pte((page_to_pfn(page) << (PAGE_SHIFT-4)) | pgprot_val(pgprot));
-}
 
 static inline pte_t mk_pte_phys(unsigned long page, pgprot_t pgprot)
 {