powerpc/32: Remove #ifdef CONFIG_PPC_STD_MMU_32 in asm/book3s/32/pgtable.h

static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr,

				pte_t *ptep, pte_t pte, int percpu)

{

#if defined(CONFIG_PPC_STD_MMU_32) && defined(CONFIG_SMP) && !defined(CONFIG_PTE_64BIT)

#if defined(CONFIG_SMP) && !defined(CONFIG_PTE_64BIT)

	/* First case is 32-bit Hash MMU in SMP mode with 32-bit PTEs. We use the

	 * helper pte_update() which does an atomic update. We need to do that

	 * because a concurrent invalidation can clear _PAGE_HASHPTE. If it's a

	else

		pte_update(ptep, ~_PAGE_HASHPTE, pte_val(pte));

#elif defined(CONFIG_PPC32) && defined(CONFIG_PTE_64BIT)

#elif defined(CONFIG_PTE_64BIT)

	/* Second case is 32-bit with 64-bit PTE.  In this case, we

	 * can just store as long as we do the two halves in the right order

	 * with a barrier in between. This is possible because we take care,

	: "=m" (*ptep), "=m" (*((unsigned char *)ptep+4))

	: "r" (pte) : "memory");

#elif defined(CONFIG_PPC_STD_MMU_32)

#else

	/* Third case is 32-bit hash table in UP mode, we need to preserve

	 * the _PAGE_HASHPTE bit since we may not have invalidated the previous

	 * translation in the hash yet (done in a subsequent flush_tlb_xxx())

	 */

	*ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE)

		      | (pte_val(pte) & ~_PAGE_HASHPTE));

#else

#error "Not supported "

#endif

}