diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 7987bb548652..50ff06d5b799 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -240,29 +240,14 @@ config ISA_DMA_API
 	bool
 	default y
 
-config ALPHA_EV4
-	bool
-
-config ALPHA_EV5
-	bool
-	default y if ALPHA_RX164 || ALPHA_RAWHIDE || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_SABLE || ALPHA_NORITAKE || ALPHA_MIKASA || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
-
 config ALPHA_CIA
 	bool
 	depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_NORITAKE || ALPHA_MIKASA || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_ALCOR
 	default y
 
 config ALPHA_EV56
-	bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
-	default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
-
-config ALPHA_EV56
-	prompt "EV56 CPU (speed >= 333MHz)?"
-	depends on ALPHA_NORITAKE || ALPHA_MIKASA
-
-config ALPHA_EV56
-	prompt "EV56 CPU (speed >= 400MHz)?"
-	depends on ALPHA_RAWHIDE
+	bool
+	default y if ALPHA_ALCOR || ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_NORITAKE || ALPHA_MIKASA || ALPHA_RAWHIDE || ALPHA_SABLE
 
 config ALPHA_T2
 	bool
@@ -403,7 +388,7 @@ config ARCH_SPARSEMEM_ENABLE
 config ALPHA_WTINT
 	bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
 	default y if ALPHA_QEMU
-	default n if ALPHA_EV5 || ALPHA_EV56
+	default n if ALPHA_EV56
 	default n if !ALPHA_SRM && !ALPHA_GENERIC
 	default y if SMP
 	help
diff --git a/arch/alpha/Makefile b/arch/alpha/Makefile
index 45158024085e..35445ff2e489 100644
--- a/arch/alpha/Makefile
+++ b/arch/alpha/Makefile
@@ -15,18 +15,14 @@ CHECKFLAGS	+= -D__alpha__
 cflags-y	:= -pipe -mno-fp-regs -ffixed-8
 cflags-y	+= $(call cc-option, -fno-jump-tables)
 
-cpuflags-$(CONFIG_ALPHA_EV4)		:= -mcpu=ev4
-cpuflags-$(CONFIG_ALPHA_EV5)		:= -mcpu=ev5
 cpuflags-$(CONFIG_ALPHA_EV56)		:= -mcpu=ev56
 cpuflags-$(CONFIG_ALPHA_POLARIS)	:= -mcpu=pca56
 cpuflags-$(CONFIG_ALPHA_SX164)		:= -mcpu=pca56
 cpuflags-$(CONFIG_ALPHA_EV6)		:= -mcpu=ev6
 cpuflags-$(CONFIG_ALPHA_EV67)		:= -mcpu=ev67
 # If GENERIC, make sure to turn off any instruction set extensions that
-# the host compiler might have on by default.  Given that EV4 and EV5
-# have the same instruction set, prefer EV5 because an EV5 schedule is
-# more likely to keep an EV4 processor busy than vice-versa.
-cpuflags-$(CONFIG_ALPHA_GENERIC)	:= -mcpu=ev5
+# the host compiler might have on by default.
+cpuflags-$(CONFIG_ALPHA_GENERIC)	:= -mcpu=ev56 -mtune=ev6
 
 cflags-y				+= $(cpuflags-y)
 
diff --git a/arch/alpha/include/asm/elf.h b/arch/alpha/include/asm/elf.h
index e6da23f1da83..4d7c46f50382 100644
--- a/arch/alpha/include/asm/elf.h
+++ b/arch/alpha/include/asm/elf.h
@@ -133,9 +133,7 @@ extern int dump_elf_task(elf_greg_t *dest, struct task_struct *task);
 #define ELF_PLATFORM				\
 ({						\
 	enum implver_enum i_ = implver();	\
-	( i_ == IMPLVER_EV4 ? "ev4"		\
-	: i_ == IMPLVER_EV5			\
-	  ? (amask(AMASK_BWX) ? "ev5" : "ev56")	\
+	( i_ == IMPLVER_EV5 ? "ev56"			\
 	: amask (AMASK_CIX) ? "ev6" : "ev67");	\
 })
 
diff --git a/arch/alpha/include/asm/machvec.h b/arch/alpha/include/asm/machvec.h
index 8623f995d34c..490fc880bb3f 100644
--- a/arch/alpha/include/asm/machvec.h
+++ b/arch/alpha/include/asm/machvec.h
@@ -72,15 +72,6 @@ struct alpha_machine_vector
 	int (*mv_is_ioaddr)(unsigned long);
 	int (*mv_is_mmio)(const volatile void __iomem *);
 
-	void (*mv_switch_mm)(struct mm_struct *, struct mm_struct *,
-			     struct task_struct *);
-	void (*mv_activate_mm)(struct mm_struct *, struct mm_struct *);
-
-	void (*mv_flush_tlb_current)(struct mm_struct *);
-	void (*mv_flush_tlb_current_page)(struct mm_struct * mm,
-					  struct vm_area_struct *vma,
-					  unsigned long addr);
-
 	void (*update_irq_hw)(unsigned long, unsigned long, int);
 	void (*ack_irq)(unsigned long);
 	void (*device_interrupt)(unsigned long vector);
diff --git a/arch/alpha/include/asm/mmu_context.h b/arch/alpha/include/asm/mmu_context.h
index 29a3e3a1f02b..eee8fe836a59 100644
--- a/arch/alpha/include/asm/mmu_context.h
+++ b/arch/alpha/include/asm/mmu_context.h
@@ -71,9 +71,7 @@ __reload_thread(struct pcb_struct *pcb)
 #ifdef CONFIG_ALPHA_GENERIC
 # define MAX_ASN	(alpha_mv.max_asn)
 #else
-# ifdef CONFIG_ALPHA_EV4
-#  define MAX_ASN	EV4_MAX_ASN
-# elif defined(CONFIG_ALPHA_EV5)
+# if defined(CONFIG_ALPHA_EV56)
 #  define MAX_ASN	EV5_MAX_ASN
 # else
 #  define MAX_ASN	EV6_MAX_ASN
@@ -162,26 +160,6 @@ ev5_switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm,
 	task_thread_info(next)->pcb.asn = mmc & HARDWARE_ASN_MASK;
 }
 
-__EXTERN_INLINE void
-ev4_switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm,
-	      struct task_struct *next)
-{
-	/* As described, ASN's are broken for TLB usage.  But we can
-	   optimize for switching between threads -- if the mm is
-	   unchanged from current we needn't flush.  */
-	/* ??? May not be needed because EV4 PALcode recognizes that
-	   ASN's are broken and does a tbiap itself on swpctx, under
-	   the "Must set ASN or flush" rule.  At least this is true
-	   for a 1992 SRM, reports Joseph Martin (jmartin@hlo.dec.com).
-	   I'm going to leave this here anyway, just to Be Sure.  -- r~  */
-	if (prev_mm != next_mm)
-		tbiap();
-
-	/* Do continue to allocate ASNs, because we can still use them
-	   to avoid flushing the icache.  */
-	ev5_switch_mm(prev_mm, next_mm, next);
-}
-
 extern void __load_new_mm_context(struct mm_struct *);
 asmlinkage void do_page_fault(unsigned long address, unsigned long mmcsr,
 			      long cause, struct pt_regs *regs);
@@ -209,25 +187,8 @@ ev5_activate_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm)
 	__load_new_mm_context(next_mm);
 }
 
-__EXTERN_INLINE void
-ev4_activate_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm)
-{
-	__load_new_mm_context(next_mm);
-	tbiap();
-}
-
-#ifdef CONFIG_ALPHA_GENERIC
-# define switch_mm(a,b,c)	alpha_mv.mv_switch_mm((a),(b),(c))
-# define activate_mm(x,y)	alpha_mv.mv_activate_mm((x),(y))
-#else
-# ifdef CONFIG_ALPHA_EV4
-#  define switch_mm(a,b,c)	ev4_switch_mm((a),(b),(c))
-#  define activate_mm(x,y)	ev4_activate_mm((x),(y))
-# else
-#  define switch_mm(a,b,c)	ev5_switch_mm((a),(b),(c))
-#  define activate_mm(x,y)	ev5_activate_mm((x),(y))
-# endif
-#endif
+#define switch_mm(a,b,c)	ev5_switch_mm((a),(b),(c))
+#define activate_mm(x,y)	ev5_activate_mm((x),(y))
 
 #define init_new_context init_new_context
 static inline int
diff --git a/arch/alpha/include/asm/special_insns.h b/arch/alpha/include/asm/special_insns.h
index ca2c5c30b22e..798d0bdb11f9 100644
--- a/arch/alpha/include/asm/special_insns.h
+++ b/arch/alpha/include/asm/special_insns.h
@@ -15,10 +15,7 @@ enum implver_enum {
    (enum implver_enum) __implver; })
 #else
 /* Try to eliminate some dead code.  */
-#ifdef CONFIG_ALPHA_EV4
-#define implver() IMPLVER_EV4
-#endif
-#ifdef CONFIG_ALPHA_EV5
+#ifdef CONFIG_ALPHA_EV56
 #define implver() IMPLVER_EV5
 #endif
 #if defined(CONFIG_ALPHA_EV6)
diff --git a/arch/alpha/include/asm/tlbflush.h b/arch/alpha/include/asm/tlbflush.h
index 94dc37cf873a..ba4b359d6c39 100644
--- a/arch/alpha/include/asm/tlbflush.h
+++ b/arch/alpha/include/asm/tlbflush.h
@@ -14,16 +14,6 @@
 extern void __load_new_mm_context(struct mm_struct *);
 
 
-/* Use a few helper functions to hide the ugly broken ASN
-   numbers on early Alphas (ev4 and ev45).  */
-
-__EXTERN_INLINE void
-ev4_flush_tlb_current(struct mm_struct *mm)
-{
-	__load_new_mm_context(mm);
-	tbiap();
-}
-
 __EXTERN_INLINE void
 ev5_flush_tlb_current(struct mm_struct *mm)
 {
@@ -34,19 +24,6 @@ ev5_flush_tlb_current(struct mm_struct *mm)
    careful about the icache here, there is no way to invalidate a
    specific icache page.  */
 
-__EXTERN_INLINE void
-ev4_flush_tlb_current_page(struct mm_struct * mm,
-			   struct vm_area_struct *vma,
-			   unsigned long addr)
-{
-	int tbi_flag = 2;
-	if (vma->vm_flags & VM_EXEC) {
-		__load_new_mm_context(mm);
-		tbi_flag = 3;
-	}
-	tbi(tbi_flag, addr);
-}
-
 __EXTERN_INLINE void
 ev5_flush_tlb_current_page(struct mm_struct * mm,
 			   struct vm_area_struct *vma,
@@ -59,18 +36,8 @@ ev5_flush_tlb_current_page(struct mm_struct * mm,
 }
 
 
-#ifdef CONFIG_ALPHA_GENERIC
-# define flush_tlb_current		alpha_mv.mv_flush_tlb_current
-# define flush_tlb_current_page		alpha_mv.mv_flush_tlb_current_page
-#else
-# ifdef CONFIG_ALPHA_EV4
-#  define flush_tlb_current		ev4_flush_tlb_current
-#  define flush_tlb_current_page	ev4_flush_tlb_current_page
-# else
-#  define flush_tlb_current		ev5_flush_tlb_current
-#  define flush_tlb_current_page	ev5_flush_tlb_current_page
-# endif
-#endif
+#define flush_tlb_current	ev5_flush_tlb_current
+#define flush_tlb_current_page	ev5_flush_tlb_current_page
 
 #ifdef __MMU_EXTERN_INLINE
 #undef __EXTERN_INLINE
diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h
index c32c2584c0b7..ef295cbb797c 100644
--- a/arch/alpha/include/asm/uaccess.h
+++ b/arch/alpha/include/asm/uaccess.h
@@ -96,9 +96,6 @@ struct __large_struct { unsigned long buf[100]; };
 		: "=r"(__gu_val), "=r"(__gu_err)	\
 		: "m"(__m(addr)), "1"(__gu_err))
 
-#ifdef __alpha_bwx__
-/* Those lucky bastards with ev56 and later CPUs can do byte/word moves.  */
-
 #define __get_user_16(addr)				\
 	__asm__("1: ldwu %0,%2\n"			\
 	"2:\n"						\
@@ -112,33 +109,6 @@ struct __large_struct { unsigned long buf[100]; };
 	EXC(1b,2b,%0,%1)				\
 		: "=r"(__gu_val), "=r"(__gu_err)	\
 		: "m"(__m(addr)), "1"(__gu_err))
-#else
-/* Unfortunately, we can't get an unaligned access trap for the sub-word
-   load, so we have to do a general unaligned operation.  */
-
-#define __get_user_16(addr)						\
-{									\
-	long __gu_tmp;							\
-	__asm__("1: ldq_u %0,0(%3)\n"					\
-	"2:	ldq_u %1,1(%3)\n"					\
-	"	extwl %0,%3,%0\n"					\
-	"	extwh %1,%3,%1\n"					\
-	"	or %0,%1,%0\n"						\
-	"3:\n"								\
-	EXC(1b,3b,%0,%2)						\
-	EXC(2b,3b,%0,%2)						\
-		: "=&r"(__gu_val), "=&r"(__gu_tmp), "=r"(__gu_err)	\
-		: "r"(addr), "2"(__gu_err));				\
-}
-
-#define __get_user_8(addr)						\
-	__asm__("1: ldq_u %0,0(%2)\n"					\
-	"	extbl %0,%2,%0\n"					\
-	"2:\n"								\
-	EXC(1b,2b,%0,%1)						\
-		: "=&r"(__gu_val), "=r"(__gu_err)			\
-		: "r"(addr), "1"(__gu_err))
-#endif
 
 extern void __put_user_unknown(void);
 
@@ -192,9 +162,6 @@ __asm__ __volatile__("1: stl %r2,%1\n"				\
 		: "=r"(__pu_err)				\
 		: "m"(__m(addr)), "rJ"(x), "0"(__pu_err))
 
-#ifdef __alpha_bwx__
-/* Those lucky bastards with ev56 and later CPUs can do byte/word moves.  */
-
 #define __put_user_16(x, addr)					\
 __asm__ __volatile__("1: stw %r2,%1\n"				\
 	"2:\n"							\
@@ -208,53 +175,6 @@ __asm__ __volatile__("1: stb %r2,%1\n"				\
 	EXC(1b,2b,$31,%0)					\
 		: "=r"(__pu_err)				\
 		: "m"(__m(addr)), "rJ"(x), "0"(__pu_err))
-#else
-/* Unfortunately, we can't get an unaligned access trap for the sub-word
-   write, so we have to do a general unaligned operation.  */
-
-#define __put_user_16(x, addr)					\
-{								\
-	long __pu_tmp1, __pu_tmp2, __pu_tmp3, __pu_tmp4;	\
-	__asm__ __volatile__(					\
-	"1:	ldq_u %2,1(%5)\n"				\
-	"2:	ldq_u %1,0(%5)\n"				\
-	"	inswh %6,%5,%4\n"				\
-	"	inswl %6,%5,%3\n"				\
-	"	mskwh %2,%5,%2\n"				\
-	"	mskwl %1,%5,%1\n"				\
-	"	or %2,%4,%2\n"					\
-	"	or %1,%3,%1\n"					\
-	"3:	stq_u %2,1(%5)\n"				\
-	"4:	stq_u %1,0(%5)\n"				\
-	"5:\n"							\
-	EXC(1b,5b,$31,%0)					\
-	EXC(2b,5b,$31,%0)					\
-	EXC(3b,5b,$31,%0)					\
-	EXC(4b,5b,$31,%0)					\
-		: "=r"(__pu_err), "=&r"(__pu_tmp1), 		\
-		  "=&r"(__pu_tmp2), "=&r"(__pu_tmp3), 		\
-		  "=&r"(__pu_tmp4)				\
-		: "r"(addr), "r"((unsigned long)(x)), "0"(__pu_err)); \
-}
-
-#define __put_user_8(x, addr)					\
-{								\
-	long __pu_tmp1, __pu_tmp2;				\
-	__asm__ __volatile__(					\
-	"1:	ldq_u %1,0(%4)\n"				\
-	"	insbl %3,%4,%2\n"				\
-	"	mskbl %1,%4,%1\n"				\
-	"	or %1,%2,%1\n"					\
-	"2:	stq_u %1,0(%4)\n"				\
-	"3:\n"							\
-	EXC(1b,3b,$31,%0)					\
-	EXC(2b,3b,$31,%0)					\
-		: "=r"(__pu_err), 				\
-	  	  "=&r"(__pu_tmp1), "=&r"(__pu_tmp2)		\
-		: "r"((unsigned long)(x)), "r"(addr), "0"(__pu_err)); \
-}
-#endif
-
 
 /*
  * Complex access routines
diff --git a/arch/alpha/include/uapi/asm/compiler.h b/arch/alpha/include/uapi/asm/compiler.h
index 0e00c0e13374..8c03740966b4 100644
--- a/arch/alpha/include/uapi/asm/compiler.h
+++ b/arch/alpha/include/uapi/asm/compiler.h
@@ -95,24 +95,6 @@
 #define __kernel_ldwu(mem)	(mem)
 #define __kernel_stb(val,mem)	((mem) = (val))
 #define __kernel_stw(val,mem)	((mem) = (val))
-#else
-#define __kernel_ldbu(mem)				\
-  ({ unsigned char __kir;				\
-     __asm__(".arch ev56;				\
-	      ldbu %0,%1" : "=r"(__kir) : "m"(mem));	\
-     __kir; })
-#define __kernel_ldwu(mem)				\
-  ({ unsigned short __kir;				\
-     __asm__(".arch ev56;				\
-	      ldwu %0,%1" : "=r"(__kir) : "m"(mem));	\
-     __kir; })
-#define __kernel_stb(val,mem)				\
-  __asm__(".arch ev56;					\
-	   stb %1,%0" : "=m"(mem) : "r"(val))
-#define __kernel_stw(val,mem)				\
-  __asm__(".arch ev56;					\
-	   stw %1,%0" : "=m"(mem) : "r"(val))
 #endif
 
-
 #endif /* _UAPI__ALPHA_COMPILER_H */
diff --git a/arch/alpha/kernel/machvec_impl.h b/arch/alpha/kernel/machvec_impl.h
index c2ebcb39e589..129ae36b8e6d 100644
--- a/arch/alpha/kernel/machvec_impl.h
+++ b/arch/alpha/kernel/machvec_impl.h
@@ -44,33 +44,14 @@
 
 #define DO_DEFAULT_RTC			.rtc_port = 0x70
 
-#define DO_EV4_MMU							\
-	.max_asn =			EV4_MAX_ASN,			\
-	.mv_switch_mm =			ev4_switch_mm,			\
-	.mv_activate_mm =		ev4_activate_mm,		\
-	.mv_flush_tlb_current =		ev4_flush_tlb_current,		\
-	.mv_flush_tlb_current_page =	ev4_flush_tlb_current_page
-
 #define DO_EV5_MMU							\
-	.max_asn =			EV5_MAX_ASN,			\
-	.mv_switch_mm =			ev5_switch_mm,			\
-	.mv_activate_mm =		ev5_activate_mm,		\
-	.mv_flush_tlb_current =		ev5_flush_tlb_current,		\
-	.mv_flush_tlb_current_page =	ev5_flush_tlb_current_page
+	.max_asn =			EV5_MAX_ASN			\
 
 #define DO_EV6_MMU							\
-	.max_asn =			EV6_MAX_ASN,			\
-	.mv_switch_mm =			ev5_switch_mm,			\
-	.mv_activate_mm =		ev5_activate_mm,		\
-	.mv_flush_tlb_current =		ev5_flush_tlb_current,		\
-	.mv_flush_tlb_current_page =	ev5_flush_tlb_current_page
+	.max_asn =			EV6_MAX_ASN			\
 
 #define DO_EV7_MMU							\
-	.max_asn =			EV6_MAX_ASN,			\
-	.mv_switch_mm =			ev5_switch_mm,			\
-	.mv_activate_mm =		ev5_activate_mm,		\
-	.mv_flush_tlb_current =		ev5_flush_tlb_current,		\
-	.mv_flush_tlb_current_page =	ev5_flush_tlb_current_page
+	.max_asn =			EV6_MAX_ASN			\
 
 #define IO_LITE(UP,low)							\
 	.hae_register =		(unsigned long *) CAT(UP,_HAE_ADDRESS),	\
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index 7fc72aeb7398..6afae65e9a8b 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -30,39 +30,6 @@
 
 #include "proto.h"
 
-/* Work-around for some SRMs which mishandle opDEC faults.  */
-
-static int opDEC_fix;
-
-static void
-opDEC_check(void)
-{
-	__asm__ __volatile__ (
-	/* Load the address of... */
-	"	br	$16, 1f\n"
-	/* A stub instruction fault handler.  Just add 4 to the
-	   pc and continue.  */
-	"	ldq	$16, 8($sp)\n"
-	"	addq	$16, 4, $16\n"
-	"	stq	$16, 8($sp)\n"
-	"	call_pal %[rti]\n"
-	/* Install the instruction fault handler.  */
-	"1:	lda	$17, 3\n"
-	"	call_pal %[wrent]\n"
-	/* With that in place, the fault from the round-to-minf fp
-	   insn will arrive either at the "lda 4" insn (bad) or one
-	   past that (good).  This places the correct fixup in %0.  */
-	"	lda %[fix], 0\n"
-	"	cvttq/svm $f31,$f31\n"
-	"	lda %[fix], 4"
-	: [fix] "=r" (opDEC_fix)
-	: [rti] "n" (PAL_rti), [wrent] "n" (PAL_wrent)
-	: "$0", "$1", "$16", "$17", "$22", "$23", "$24", "$25");
-
-	if (opDEC_fix)
-		printk("opDEC fixup enabled.\n");
-}
-
 void
 dik_show_regs(struct pt_regs *regs, unsigned long *r9_15)
 {
@@ -353,32 +320,6 @@ do_entIF(unsigned long type, struct pt_regs *regs)
 		return;
 
 	      case 4: /* opDEC */
-		if (implver() == IMPLVER_EV4) {
-			long si_code;
-
-			/* The some versions of SRM do not handle
-			   the opDEC properly - they return the PC of the
-			   opDEC fault, not the instruction after as the
-			   Alpha architecture requires.  Here we fix it up.
-			   We do this by intentionally causing an opDEC
-			   fault during the boot sequence and testing if
-			   we get the correct PC.  If not, we set a flag
-			   to correct it every time through.  */
-			regs->pc += opDEC_fix; 
-			
-			/* EV4 does not implement anything except normal
-			   rounding.  Everything else will come here as
-			   an illegal instruction.  Emulate them.  */
-			si_code = alpha_fp_emul(regs->pc - 4);
-			if (si_code == 0)
-				return;
-			if (si_code > 0) {
-				send_sig_fault_trapno(SIGFPE, si_code,
-						      (void __user *) regs->pc,
-						      0, current);
-				return;
-			}
-		}
 		break;
 
 	      case 5: /* illoc */
@@ -979,11 +920,6 @@ trap_init(void)
 	register unsigned long gptr __asm__("$29");
 	wrkgp(gptr);
 
-	/* Hack for Multia (UDB) and JENSEN: some of their SRMs have
-	   a bug in the handling of the opDEC fault.  Fix it up if so.  */
-	if (implver() == IMPLVER_EV4)
-		opDEC_check();
-
 	wrent(entArith, 1);
 	wrent(entMM, 2);
 	wrent(entIF, 3);
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index cb1526ec44b5..c3e098b21c16 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -88,15 +88,9 @@ struct block_device {
 
 /*
  * Block error status values.  See block/blk-core:blk_errors for the details.
- * Alpha cannot write a byte atomically, so we need to use 32-bit value.
  */
-#if defined(CONFIG_ALPHA) && !defined(__alpha_bwx__)
-typedef u32 __bitwise blk_status_t;
-typedef u32 blk_short_t;
-#else
 typedef u8 __bitwise blk_status_t;
 typedef u16 blk_short_t;
-#endif
 #define	BLK_STS_OK 0
 #define BLK_STS_NOTSUPP		((__force blk_status_t)1)
 #define BLK_STS_TIMEOUT		((__force blk_status_t)2)
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 2b2e6f0a54d6..2372f9357240 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -145,15 +145,12 @@ struct tty_operations;
  * @count: count of open processes, reaching zero cancels all the work for
  *	   this tty and drops a @kref too (but does not free this tty)
  * @winsize: size of the terminal "window" (cf. @winsize_mutex)
- * @flow: flow settings grouped together, see also @flow.unused
+ * @flow: flow settings grouped together
  * @flow.lock: lock for @flow members
  * @flow.stopped: tty stopped/started by stop_tty()/start_tty()
  * @flow.tco_stopped: tty stopped/started by %TCOOFF/%TCOON ioctls (it has
  *		      precedence over @flow.stopped)
- * @flow.unused: alignment for Alpha, so that no members other than @flow.* are
- *		 modified by the same 64b word store. The @flow's __aligned is
- *		 there for the very same reason.
- * @ctrl: control settings grouped together, see also @ctrl.unused
+ * @ctrl: control settings grouped together
  * @ctrl.lock: lock for @ctrl members
  * @ctrl.pgrp: process group of this tty (setpgrp(2))
  * @ctrl.session: session of this tty (setsid(2)). Writes are protected by both
@@ -161,7 +158,6 @@ struct tty_operations;
  *		  them.
  * @ctrl.pktstatus: packet mode status (bitwise OR of %TIOCPKT_ constants)
  * @ctrl.packet: packet mode enabled
- * @ctrl.unused: alignment for Alpha, see @flow.unused for explanation
  * @hw_stopped: not controlled by the tty layer, under @driver's control for CTS
  *		handling
  * @receive_room: bytes permitted to feed to @ldisc without any being lost
@@ -216,8 +212,7 @@ struct tty_struct {
 		spinlock_t lock;
 		bool stopped;
 		bool tco_stopped;
-		unsigned long unused[0];
-	} __aligned(sizeof(unsigned long)) flow;
+	} flow;
 
 	struct {
 		struct pid *pgrp;
@@ -225,8 +220,7 @@ struct tty_struct {
 		spinlock_t lock;
 		unsigned char pktstatus;
 		bool packet;
-		unsigned long unused[0];
-	} __aligned(sizeof(unsigned long)) ctrl;
+	} ctrl;
 
 	bool hw_stopped;
 	bool closing;