Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

arch/sparc64/kernel/entry.S

@@ -1600,11 +1600,11 @@ sys_clone:	flushw
 		ba,pt		%xcc, sparc_do_fork
 		 add		%sp, PTREGS_OFF, %o2
 ret_from_syscall:
-		/* Clear SPARC_FLAG_NEWCHILD, switch_to leaves thread.flags in
-		 * %o7 for us.  Check performance counter stuff too.
+		/* Clear current_thread_info()->new_child, and
+		 * check performance counter stuff too.
 		 */
-		andn		%o7, _TIF_NEWCHILD, %l0
-		stx		%l0, [%g6 + TI_FLAGS]
+		stb		%g0, [%g6 + TI_NEW_CHILD]
+		ldx		[%g6 + TI_FLAGS], %l0
 		call		schedule_tail
 		 mov		%g7, %o0
 		andcc		%l0, _TIF_PERFCTR, %g0
@@ -1720,12 +1720,11 @@ ret_sys_call:
 	/* Check if force_successful_syscall_return()
 	 * was invoked.
 	 */
-	ldx		[%curptr + TI_FLAGS], %l0
-	andcc		%l0, _TIF_SYSCALL_SUCCESS, %g0
-	be,pt		%icc, 1f
-	 andn		%l0, _TIF_SYSCALL_SUCCESS, %l0
+	ldub		[%curptr + TI_SYS_NOERROR], %l0
+	brz,pt		%l0, 1f
+	 nop
 	ba,pt		%xcc, 80f
-	 stx		%l0, [%curptr + TI_FLAGS]
+	 stb		%g0, [%curptr + TI_SYS_NOERROR]
 
 1:
 	cmp		%o0, -ERESTART_RESTARTBLOCK

arch/sparc64/kernel/irq.c

@@ -782,8 +782,14 @@ static void distribute_irqs(void)
 }
 #endif
 
+struct sun5_timer {
+	u64	count0;
+	u64	limit0;
+	u64	count1;
+	u64	limit1;
+};
 
-struct sun5_timer *prom_timers;
+static struct sun5_timer *prom_timers;
 static u64 prom_limit0, prom_limit1;
 
 static void map_prom_timers(void)
@@ -839,18 +845,6 @@ static void kill_prom_timer(void)
 	: "g1", "g2");
 }
 
-void enable_prom_timer(void)
-{
-	if (!prom_timers)
-		return;
-
-	/* Set it to whatever was there before. */
-	prom_timers->limit1 = prom_limit1;
-	prom_timers->count1 = 0;
-	prom_timers->limit0 = prom_limit0;
-	prom_timers->count0 = 0;
-}
-
 void init_irqwork_curcpu(void)
 {
 	register struct irq_work_struct *workp asm("o2");

arch/sparc64/kernel/process.c

@@ -621,8 +621,8 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
 	memcpy(child_trap_frame, (((struct sparc_stackf *)regs)-1), (TRACEREG_SZ+STACKFRAME_SZ));
 
 	t->flags = (t->flags & ~((0xffUL << TI_FLAG_CWP_SHIFT) | (0xffUL << TI_FLAG_CURRENT_DS_SHIFT))) |
-		_TIF_NEWCHILD |
 		(((regs->tstate + 1) & TSTATE_CWP) << TI_FLAG_CWP_SHIFT);
+	t->new_child = 1;
 	t->ksp = ((unsigned long) child_trap_frame) - STACK_BIAS;
 	t->kregs = (struct pt_regs *)(child_trap_frame+sizeof(struct sparc_stackf));
 	t->fpsaved[0] = 0;

arch/sparc64/kernel/smp.c

@@ -137,7 +137,7 @@ void __init smp_callin(void)
 	/* Clear this or we will die instantly when we
 	 * schedule back to this idler...
 	 */
-	clear_thread_flag(TIF_NEWCHILD);
+	current_thread_info()->new_child = 0;
 
 	/* Attach to the address space of init_task. */
 	atomic_inc(&init_mm.mm_count);

arch/sparc64/kernel/traps.c

@@ -2125,6 +2125,8 @@ void __init trap_init(void)
 	    TI_PCR != offsetof(struct thread_info, pcr_reg) ||
 	    TI_CEE_STUFF != offsetof(struct thread_info, cee_stuff) ||
 	    TI_PRE_COUNT != offsetof(struct thread_info, preempt_count) ||
+	    TI_NEW_CHILD != offsetof(struct thread_info, new_child) ||
+	    TI_SYS_NOERROR != offsetof(struct thread_info, syscall_noerror) ||
 	    TI_FPREGS != offsetof(struct thread_info, fpregs) ||
 	    (TI_FPREGS & (64 - 1)))
 		thread_info_offsets_are_bolixed_dave();

drivers/sbus/char/Kconfig

@@ -71,20 +71,6 @@ config SUN_JSFLASH
 
 # XXX Why don't we do "source drivers/char/Config.in" somewhere?
 # no shit
-config APM_RTC_IS_GMT
-	bool
-	depends on EXPERIMENTAL && SPARC32 && PCI
-	default y
-	help
-	  Say Y here if your RTC (Real Time Clock a.k.a. hardware clock)
-	  stores the time in GMT (Greenwich Mean Time). Say N if your RTC
-	  stores localtime.
-
-	  It is in fact recommended to store GMT in your RTC, because then you
-	  don't have to worry about daylight savings time changes. The only
-	  reason not to use GMT in your RTC is if you also run a broken OS
-	  that doesn't understand GMT.
-
 config RTC
 	tristate "PC-style Real Time Clock Support"
 	depends on PCI && EXPERIMENTAL && SPARC32

drivers/sbus/char/aurora.c

@@ -1515,8 +1515,7 @@ static void aurora_close(struct tty_struct * tty, struct file * filp)
 		 */
 		timeout = jiffies+HZ;
 		while(port->SRER & SRER_TXEMPTY)  {
-			current->state = TASK_INTERRUPTIBLE;
-			schedule_timeout(port->timeout);
+			msleep_interruptible(jiffies_to_msecs(port->timeout));
 			if (time_after(jiffies, timeout))
 				break;
 		}
@@ -1533,8 +1532,7 @@ static void aurora_close(struct tty_struct * tty, struct file * filp)
 	port->tty = 0;
 	if (port->blocked_open) {
 		if (port->close_delay) {
-			current->state = TASK_INTERRUPTIBLE;
-			schedule_timeout(port->close_delay);
+			msleep_interruptible(jiffies_to_msecs(port->close_delay));
 		}
 		wake_up_interruptible(&port->open_wait);
 	}

drivers/sbus/char/bbc_envctrl.c

@@ -4,13 +4,14 @@
  * Copyright (C) 2001 David S. Miller (davem@redhat.com)
  */
 
+#define __KERNEL_SYSCALLS__
+
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <asm/oplib.h>
 #include <asm/ebus.h>
-#define __KERNEL_SYSCALLS__
 static int errno;
 #include <asm/unistd.h>
 

drivers/sbus/char/envctrl.c

@@ -19,6 +19,8 @@
  *              Daniele Bellucci <bellucda@tiscali.it>
  */
 
+#define __KERNEL_SYSCALLS__
+
 #include <linux/config.h>
 #include <linux/module.h>
 #include <linux/sched.h>
@@ -35,7 +37,6 @@
 #include <asm/uaccess.h>
 #include <asm/envctrl.h>
 
-#define __KERNEL_SYSCALLS__
 static int errno;
 #include <asm/unistd.h>
 
@@ -1007,7 +1008,7 @@ static int kenvctrld(void *__unused)
 		return -ENODEV;
 	}
 
-	poll_interval = 5 * HZ; /* TODO env_mon_interval */
+	poll_interval = 5000; /* TODO env_mon_interval */
 
 	daemonize("kenvctrld");
 	allow_signal(SIGKILL);
@@ -1016,10 +1017,7 @@ static int kenvctrld(void *__unused)
 
 	printk(KERN_INFO "envctrl: %s starting...\n", current->comm);
 	for (;;) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule_timeout(poll_interval);
-
-		if(signal_pending(current))
+		if(msleep_interruptible(poll_interval))
 			break;
 
 		for (whichcpu = 0; whichcpu < ENVCTRL_MAX_CPU; ++whichcpu) {

drivers/sbus/char/vfc_i2c.c

@@ -88,14 +88,16 @@ void vfc_i2c_delay_wakeup(struct vfc_dev *dev)
 
 void vfc_i2c_delay_no_busy(struct vfc_dev *dev, unsigned long usecs) 
 {
+	DEFINE_WAIT(wait);
 	init_timer(&dev->poll_timer);
-	dev->poll_timer.expires = jiffies + 
-		((unsigned long)usecs*(HZ))/1000000;
+	dev->poll_timer.expires = jiffies + usecs_to_jiffies(usecs);
 	dev->poll_timer.data=(unsigned long)dev;
 	dev->poll_timer.function=(void *)(unsigned long)vfc_i2c_delay_wakeup;
 	add_timer(&dev->poll_timer);
-	sleep_on(&dev->poll_wait);
+	prepare_to_wait(&dev->poll_wait, &wait, TASK_UNINTERRUPTIBLE);
+	schedule();
 	del_timer(&dev->poll_timer);
+	finish_wait(&dev->poll_wait, &wait);
 }
 
 void inline vfc_i2c_delay(struct vfc_dev *dev) 

include/asm-sparc64/bitops.h

@@ -20,52 +20,52 @@ extern void change_bit(unsigned long nr, volatile unsigned long *addr);
 
 /* "non-atomic" versions... */
 
-static __inline__ void __set_bit(int nr, volatile unsigned long *addr)
+static inline void __set_bit(int nr, volatile unsigned long *addr)
 {
-	volatile unsigned long *m = addr + (nr >> 6);
+	unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
 
 	*m |= (1UL << (nr & 63));
 }
 
-static __inline__ void __clear_bit(int nr, volatile unsigned long *addr)
+static inline void __clear_bit(int nr, volatile unsigned long *addr)
 {
-	volatile unsigned long *m = addr + (nr >> 6);
+	unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
 
 	*m &= ~(1UL << (nr & 63));
 }
 
-static __inline__ void __change_bit(int nr, volatile unsigned long *addr)
+static inline void __change_bit(int nr, volatile unsigned long *addr)
 {
-	volatile unsigned long *m = addr + (nr >> 6);
+	unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
 
 	*m ^= (1UL << (nr & 63));
 }
 
-static __inline__ int __test_and_set_bit(int nr, volatile unsigned long *addr)
+static inline int __test_and_set_bit(int nr, volatile unsigned long *addr)
 {
-	volatile unsigned long *m = addr + (nr >> 6);
-	long old = *m;
-	long mask = (1UL << (nr & 63));
+	unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
+	unsigned long old = *m;
+	unsigned long mask = (1UL << (nr & 63));
 
 	*m = (old | mask);
 	return ((old & mask) != 0);
 }
 
-static __inline__ int __test_and_clear_bit(int nr, volatile unsigned long *addr)
+static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr)
 {
-	volatile unsigned long *m = addr + (nr >> 6);
-	long old = *m;
-	long mask = (1UL << (nr & 63));
+	unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
+	unsigned long old = *m;
+	unsigned long mask = (1UL << (nr & 63));
 
 	*m = (old & ~mask);
 	return ((old & mask) != 0);
 }
 
-static __inline__ int __test_and_change_bit(int nr, volatile unsigned long *addr)
+static inline int __test_and_change_bit(int nr, volatile unsigned long *addr)
 {
-	volatile unsigned long *m = addr + (nr >> 6);
-	long old = *m;
-	long mask = (1UL << (nr & 63));
+	unsigned long *m = ((unsigned long *)addr) + (nr >> 6);
+	unsigned long old = *m;
+	unsigned long mask = (1UL << (nr & 63));
 
 	*m = (old ^ mask);
 	return ((old & mask) != 0);
@@ -79,13 +79,13 @@ static __inline__ int __test_and_change_bit(int nr, volatile unsigned long *addr
 #define smp_mb__after_clear_bit()	barrier()
 #endif
 
-static __inline__ int test_bit(int nr, __const__ volatile unsigned long *addr)
+static inline int test_bit(int nr, __const__ volatile unsigned long *addr)
 {
-	return (1UL & ((addr)[nr >> 6] >> (nr & 63))) != 0UL;
+	return (1UL & (addr[nr >> 6] >> (nr & 63))) != 0UL;
 }
 
 /* The easy/cheese version for now. */
-static __inline__ unsigned long ffz(unsigned long word)
+static inline unsigned long ffz(unsigned long word)
 {
 	unsigned long result;
 
@@ -103,7 +103,7 @@ static __inline__ unsigned long ffz(unsigned long word)
  *
  * Undefined if no bit exists, so code should check against 0 first.
  */
-static __inline__ unsigned long __ffs(unsigned long word)
+static inline unsigned long __ffs(unsigned long word)
 {
 	unsigned long result = 0;
 
@@ -144,7 +144,7 @@ static inline int sched_find_first_bit(unsigned long *b)
  * the libc and compiler builtin ffs routines, therefore
  * differs in spirit from the above ffz (man ffs).
  */
-static __inline__ int ffs(int x)
+static inline int ffs(int x)
 {
 	if (!x)
 		return 0;
@@ -158,31 +158,31 @@ static __inline__ int ffs(int x)
 
 #ifdef ULTRA_HAS_POPULATION_COUNT
 
-static __inline__ unsigned int hweight64(unsigned long w)
+static inline unsigned int hweight64(unsigned long w)
 {
 	unsigned int res;
 
 	__asm__ ("popc %1,%0" : "=r" (res) : "r" (w));
 	return res;
 }
 
-static __inline__ unsigned int hweight32(unsigned int w)
+static inline unsigned int hweight32(unsigned int w)
 {
 	unsigned int res;
 
 	__asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xffffffff));
 	return res;
 }
 
-static __inline__ unsigned int hweight16(unsigned int w)
+static inline unsigned int hweight16(unsigned int w)
 {
 	unsigned int res;
 
 	__asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xffff));
 	return res;
 }
 
-static __inline__ unsigned int hweight8(unsigned int w)
+static inline unsigned int hweight8(unsigned int w)
 {
 	unsigned int res;
 
@@ -236,7 +236,7 @@ extern unsigned long find_next_zero_bit(const unsigned long *,
 #define test_and_clear_le_bit(nr,addr)	\
 	test_and_clear_bit((nr) ^ 0x38, (addr))
 
-static __inline__ int test_le_bit(int nr, __const__ unsigned long * addr)
+static inline int test_le_bit(int nr, __const__ unsigned long * addr)
 {
 	int			mask;
 	__const__ unsigned char	*ADDR = (__const__ unsigned char *) addr;

include/asm-sparc64/ptrace.h

@@ -94,8 +94,9 @@ struct sparc_trapf {
 #define STACKFRAME32_SZ	sizeof(struct sparc_stackf32)
 
 #ifdef __KERNEL__
-#define force_successful_syscall_return()	\
-	set_thread_flag(TIF_SYSCALL_SUCCESS)
+#define force_successful_syscall_return()	    \
+do {	current_thread_info()->syscall_noerror = 1; \
+} while (0)
 #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
 #define instruction_pointer(regs) ((regs)->tpc)
 #ifdef CONFIG_SMP