Merge remote branch 'm68knommu/for-next'

16 files changed, 33 insertions, 112 deletions

diff --git a/arch/m68k/include/asm/system_mm.h b/arch/m68k/include/asm/system_mm.h
index dbb6515ffd5b..485daecb350b 100644
--- a/arch/m68k/include/asm/system_mm.h
+++ b/arch/m68k/include/asm/system_mm.h
@@ -205,9 +205,7 @@ static inline unsigned long __cmpxchg(volatile void *p, unsigned long old,
 	((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
 			(unsigned long)(n), sizeof(*(ptr))))
 
-#ifndef CONFIG_SMP
 #include <asm-generic/cmpxchg.h>
-#endif
 
 #endif
 
diff --git a/arch/m68k/include/asm/system_no.h b/arch/m68k/include/asm/system_no.h
index 3c0718d74398..08f31bdba36d 100644
--- a/arch/m68k/include/asm/system_no.h
+++ b/arch/m68k/include/asm/system_no.h
@@ -106,17 +106,10 @@ asmlinkage void resume(void);
 #define wmb()  asm volatile (""   : : :"memory")
 #define set_mb(var, value)	({ (var) = (value); wmb(); })
 
-#ifdef CONFIG_SMP
-#define smp_mb()	mb()
-#define smp_rmb()	rmb()
-#define smp_wmb()	wmb()
-#define smp_read_barrier_depends()	read_barrier_depends()
-#else
 #define smp_mb()	barrier()
 #define smp_rmb()	barrier()
 #define smp_wmb()	barrier()
 #define smp_read_barrier_depends()	do { } while(0)
-#endif
 
 #define read_barrier_depends()  ((void)0)
 
@@ -199,9 +192,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
 			(unsigned long)(n), sizeof(*(ptr))))
 #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
 
-#ifndef CONFIG_SMP
 #include <asm-generic/cmpxchg.h>
-#endif
 
 #define arch_align_stack(x) (x)
 
diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c
index 4926b3856c15..06438dac08ff 100644
--- a/arch/m68k/kernel/time.c
+++ b/arch/m68k/kernel/time.c
@@ -42,9 +42,7 @@ static inline int set_rtc_mmss(unsigned long nowtime)
 static irqreturn_t timer_interrupt(int irq, void *dummy)
 {
 	do_timer(1);
-#ifndef CONFIG_SMP
 	update_process_times(user_mode(get_irq_regs()));
-#endif
 	profile_tick(CPU_PROFILING);
 
 #ifdef CONFIG_HEARTBEAT
diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index ad90393a3361..606ff4deb320 100644
--- a/arch/m68k/sun3/sun3ints.c
+++ b/arch/m68k/sun3/sun3ints.c
@@ -66,12 +66,10 @@ static irqreturn_t sun3_int5(int irq, void *dev_id)
 #ifdef CONFIG_SUN3
 	intersil_clear();
 #endif
-        do_timer(1);
-#ifndef CONFIG_SMP
+    do_timer(1);
 	update_process_times(user_mode(get_irq_regs()));
-#endif
-        if (!(kstat_cpu(0).irqs[irq] % 20))
-                sun3_leds(led_pattern[(kstat_cpu(0).irqs[irq] % 160) / 20]);
+    if (!(kstat_cpu(0).irqs[irq] % 20))
+        sun3_leds(led_pattern[(kstat_cpu(0).irqs[irq] % 160) / 20]);
 	return IRQ_HANDLED;
 }
 
diff --git a/arch/m68knommu/kernel/ptrace.c b/arch/m68knommu/kernel/ptrace.c
index f6be1248d216..a32e2de78295 100644
--- a/arch/m68knommu/kernel/ptrace.c
+++ b/arch/m68knommu/kernel/ptrace.c
@@ -134,14 +134,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 					tmp >>= 16;
 			} else if (addr >= 21 && addr < 49) {
 				tmp = child->thread.fp[addr - 21];
-#ifdef CONFIG_M68KFPU_EMU
-				/* Convert internal fpu reg representation
-				 * into long double format
-				 */
-				if (FPU_IS_EMU && (addr < 45) && !(addr % 3))
-					tmp = ((tmp & 0xffff0000) << 15) |
-					      ((tmp & 0x0000ffff) << 16);
-#endif
 			} else if (addr == 49) {
 				tmp = child->mm->start_code;
 			} else if (addr == 50) {
@@ -175,16 +167,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			}
 			if (addr >= 21 && addr < 48)
 			{
-#ifdef CONFIG_M68KFPU_EMU
-				/* Convert long double format
-				 * into internal fpu reg representation
-				 */
-				if (FPU_IS_EMU && (addr < 45) && !(addr % 3)) {
-					data = (unsigned long)data << 15;
-					data = (data & 0xffff0000) |
-					       ((data & 0x0000ffff) >> 1);
-				}
-#endif
 				child->thread.fp[addr - 21] = data;
 				ret = 0;
 			}
diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c
index ba92b90d5fbc..c684adf5dc40 100644
--- a/arch/m68knommu/kernel/setup.c
+++ b/arch/m68knommu/kernel/setup.c
@@ -54,9 +54,6 @@ void (*mach_reset)(void);
 void (*mach_halt)(void);
 void (*mach_power_off)(void);
 
-#ifdef CONFIG_M68000
-	#define CPU "MC68000"
-#endif
 #ifdef CONFIG_M68328
 	#define CPU "MC68328"
 #endif
diff --git a/arch/m68knommu/kernel/time.c b/arch/m68knommu/kernel/time.c
index a90acf5b0cde..d6ac2a43453c 100644
--- a/arch/m68knommu/kernel/time.c
+++ b/arch/m68knommu/kernel/time.c
@@ -50,9 +50,8 @@ irqreturn_t arch_timer_interrupt(int irq, void *dummy)
 
 	write_sequnlock(&xtime_lock);
 
-#ifndef CONFIG_SMP
 	update_process_times(user_mode(get_irq_regs()));
-#endif
+
 	return(IRQ_HANDLED);
 }
 #endif
@@ -61,13 +60,16 @@ static unsigned long read_rtc_mmss(void)
 {
 	unsigned int year, mon, day, hour, min, sec;
 
-	if (mach_gettod)
+	if (mach_gettod) {
 		mach_gettod(&year, &mon, &day, &hour, &min, &sec);
-	else
-		year = mon = day = hour = min = sec = 0;
+		if ((year += 1900) < 1970)
+			year += 100;
+	} else {
+		year = 1970;
+		mon = day = 1;
+		hour = min = sec = 0;
+	}
 
-	if ((year += 1900) < 1970)
-		year += 100;
 
 	return  mktime(year, mon, day, hour, min, sec);
 }
diff --git a/arch/m68knommu/kernel/traps.c b/arch/m68knommu/kernel/traps.c
index 3739c8f657d7..e8b813d2d0e4 100644
--- a/arch/m68knommu/kernel/traps.c
+++ b/arch/m68knommu/kernel/traps.c
@@ -360,16 +360,3 @@ void show_stack(struct task_struct *task, unsigned long *stack)
 	else
 		__show_stack(task, stack);
 }
-
-#ifdef CONFIG_M68KFPU_EMU
-asmlinkage void fpemu_signal(int signal, int code, void *addr)
-{
-	siginfo_t info;
-
-	info.si_signo = signal;
-	info.si_errno = 0;
-	info.si_code = code;
-	info.si_addr = addr;
-	force_sig_info(signal, &info, current);
-}
-#endif
diff --git a/arch/m68knommu/platform/68328/entry.S b/arch/m68knommu/platform/68328/entry.S
index 9d80d2c42866..74229f73449e 100644
--- a/arch/m68knommu/platform/68328/entry.S
+++ b/arch/m68knommu/platform/68328/entry.S
@@ -43,7 +43,7 @@ badsys:
 	jra	ret_from_exception
 
 do_trace:
-	movel	#-ENOSYS,%sp@(PT_OFF_D0)	/* needed for strace*/
+	movel	#-ENOSYS,%sp@(PT_OFF_D0) /* needed for strace*/
 	subql	#4,%sp
 	SAVE_SWITCH_STACK
 	jbsr	syscall_trace
@@ -57,7 +57,7 @@ do_trace:
 	lea	sys_call_table, %a0
 	jbsr	%a0@(%d1)
 
-1:	movel	%d0,%sp@(PT_OFF_D0)		/* save the return value */
+1:	movel	%d0,%sp@(PT_OFF_D0)	/* save the return value */
 	subql	#4,%sp			/* dummy return address */
 	SAVE_SWITCH_STACK
 	jbsr	syscall_trace
@@ -71,16 +71,16 @@ ENTRY(system_call)
 	SAVE_ALL
 
 	/* save top of frame*/
-	pea     %sp@
-	jbsr    set_esp0
-	addql   #4,%sp
+	pea	%sp@
+	jbsr	set_esp0
+	addql	#4,%sp
 
 	movel	%sp@(PT_OFF_ORIG_D0),%d0
 
 	movel	%sp,%d1			/* get thread_info pointer */
 	andl	#-THREAD_SIZE,%d1
 	movel	%d1,%a2
-	btst    #TIF_SYSCALL_TRACE,%a2@(TI_FLAGS)
+	btst	#(TIF_SYSCALL_TRACE%8),%a2@(TI_FLAGS+(31-TIF_SYSCALL_TRACE)/8)
 	jne	do_trace
 	cmpl	#NR_syscalls,%d0
 	jcc	badsys
@@ -88,10 +88,10 @@ ENTRY(system_call)
 	lea	sys_call_table,%a0
 	movel	%a0@(%d0), %a0
 	jbsr	%a0@
-	movel	%d0,%sp@(PT_OFF_D0)		/* save the return value*/
+	movel	%d0,%sp@(PT_OFF_D0)	/* save the return value*/
 
 ret_from_exception:
-	btst	#5,%sp@(PT_OFF_SR)		/* check if returning to kernel*/
+	btst	#5,%sp@(PT_OFF_SR)	/* check if returning to kernel*/
 	jeq	Luser_return		/* if so, skip resched, signals*/
 
 Lkernel_return:
diff --git a/arch/m68knommu/platform/68328/head-de2.S b/arch/m68knommu/platform/68328/head-de2.S
index 92d96456d363..f632fdcb93e9 100644
--- a/arch/m68knommu/platform/68328/head-de2.S
+++ b/arch/m68knommu/platform/68328/head-de2.S
@@ -1,11 +1,5 @@
 
-#if defined(CONFIG_RAM32MB)
-#define	MEM_END	0x02000000	/* Memory size 32Mb */
-#elif defined(CONFIG_RAM16MB)
-#define	MEM_END	0x01000000	/* Memory size 16Mb */
-#else
 #define	MEM_END	0x00800000	/* Memory size 8Mb */
-#endif
 
 #undef CRT_DEBUG
 
diff --git a/arch/m68knommu/platform/68328/head-ram.S b/arch/m68knommu/platform/68328/head-ram.S
index 252b80b02038..7f1aeeacb219 100644
--- a/arch/m68knommu/platform/68328/head-ram.S
+++ b/arch/m68knommu/platform/68328/head-ram.S
@@ -67,33 +67,6 @@ pclp1:
 	beq	pclp1
 #endif /* DEBUG */
 
-#ifdef CONFIG_RELOCATE
-	/* Copy me to RAM */
-	moveal	#__rom_start, %a0
-	moveal	#_stext, %a1
-	moveal	#_edata, %a2
-
-	/* Copy %a0 to %a1 until %a1 == %a2 */
-LD1:
-	movel	%a0@+, %d0
-	movel	%d0, %a1@+
-	cmpal	%a1, %a2
-	bhi	LD1
-	
-#ifdef DEBUG
-	moveq	#74, %d7		/* 'J' */
-	moveb	%d7,0xfffff907          /* No absolute addresses */
-pclp2:
-	movew	0xfffff906, %d7
-	andw	#0x2000, %d7
-	beq	pclp2
-#endif /* DEBUG */
-	/* jump into the RAM copy */
-	jmp     ram_jump
-ram_jump:
-
-#endif /* CONFIG_RELOCATE */
-
 #ifdef DEBUG
 	moveq	#82, %d7		/* 'R' */
 	moveb	%d7,0xfffff907          /* No absolute addresses */
diff --git a/arch/m68knommu/platform/68360/entry.S b/arch/m68knommu/platform/68360/entry.S
index 6d3460a39cac..d5ad4080f553 100644
--- a/arch/m68knommu/platform/68360/entry.S
+++ b/arch/m68knommu/platform/68360/entry.S
@@ -71,7 +71,12 @@ ENTRY(system_call)
 	jbsr	set_esp0
 	addql	#4,%sp
 
-	btst	#PF_TRACESYS_BIT,%a2@(TASK_FLAGS+PF_TRACESYS_OFF)
+	movel	%sp@(PT_OFF_ORIG_D0),%d0
+
+	movel	%sp,%d1			/* get thread_info pointer */
+	andl	#-THREAD_SIZE,%d1
+	movel	%d1,%a2
+	btst	#(TIF_SYSCALL_TRACE%8),%a2@(TI_FLAGS+(31-TIF_SYSCALL_TRACE)/8)
 	jne	do_trace
 	cmpl	#NR_syscalls,%d0
 	jcc	badsys
diff --git a/arch/m68knommu/platform/68VZ328/config.c b/arch/m68knommu/platform/68VZ328/config.c
index fc5c63054e98..eabaabe8af36 100644
--- a/arch/m68knommu/platform/68VZ328/config.c
+++ b/arch/m68knommu/platform/68VZ328/config.c
@@ -90,11 +90,6 @@ static void init_hardware(char *command, int size)
 	PDIQEG &= ~PD(1);
 	PDIRQEN |= PD(1);			/* IRQ enabled */
 
-#ifdef CONFIG_68328_SERIAL_UART2
-	/* Enable RXD TXD port bits to enable UART2 */
-	PJSEL &= ~(PJ(5) | PJ(4));
-#endif
-
 #ifdef CONFIG_INIT_LCD
 	/* initialize LCD controller */
 	LSSA = (long) screen_bits;
diff --git a/arch/m68knommu/platform/coldfire/intc-2.c b/arch/m68knommu/platform/coldfire/intc-2.c
index 5598c8b8661f..a0c72ec8e6b5 100644
--- a/arch/m68knommu/platform/coldfire/intc-2.c
+++ b/arch/m68knommu/platform/coldfire/intc-2.c
@@ -1,5 +1,9 @@
 /*
- * intc-1.c
+ * intc-2.c
+ *
+ * General interrupt controller code for the many ColdFire version 2 cores
+ * that use the two region INTC interrupt controller. This includes the
+ * 523x family, 5270, 5271, 5274, 5275, and the 528x families.
  *
  * (C) Copyright 2009, Greg Ungerer <gerg@snapgear.com>
  *
diff --git a/arch/m68knommu/platform/coldfire/intc-simr.c b/arch/m68knommu/platform/coldfire/intc-simr.c
index 1b01e79c2f63..8435ced33ac4 100644
--- a/arch/m68knommu/platform/coldfire/intc-simr.c
+++ b/arch/m68knommu/platform/coldfire/intc-simr.c
@@ -1,6 +1,8 @@
 /*
  * intc-simr.c
  *
+ * Interrupt controller code for the ColdFire 5208, 5207 & 532x parts.
+ *
  * (C) Copyright 2009, Greg Ungerer <gerg@snapgear.com>
  *
  * This file is subject to the terms and conditions of the GNU General Public
diff --git a/drivers/serial/68328serial.h b/drivers/serial/68328serial.h
index 58aa2154655b..664ceb0a158c 100644
--- a/drivers/serial/68328serial.h
+++ b/drivers/serial/68328serial.h
@@ -181,13 +181,8 @@ struct m68k_serial {
 /* 
  * Define the number of ports supported and their irqs.
  */
-#ifndef CONFIG_68328_SERIAL_UART2
 #define NR_PORTS 1
 #define UART_IRQ_DEFNS {UART_IRQ_NUM}
-#else
-#define NR_PORTS 2
-#define UART_IRQ_DEFNS {UART1_IRQ_NUM, UART2_IRQ_NUM}
-#endif
 
 #endif /* __KERNEL__ */
 #endif /* !(_MC683XX_SERIAL_H) */