6 files changed, 60 insertions, 50 deletions

diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c
index 35488d6c7457..0251cab4708b 100644
--- a/arch/sparc/kernel/setup.c
+++ b/arch/sparc/kernel/setup.c
@@ -348,9 +348,9 @@ void __init setup_arch(char **cmdline_p)
         init_mm.context = (unsigned long) NO_CONTEXT;
         init_task.thread.kregs = &fake_swapper_regs;
 
-        smp_setup_cpu_possible_map();
-
         paging_init();
+
+        smp_setup_cpu_possible_map();
 }
 
 static int __init set_preferred_console(void)
diff --git a/arch/sparc/kernel/smp.c b/arch/sparc/kernel/smp.c
index e311ade1b490..276f22881d0f 100644
--- a/arch/sparc/kernel/smp.c
+++ b/arch/sparc/kernel/smp.c
@@ -34,7 +34,6 @@
 #include <asm/tlbflush.h>
 #include <asm/cpudata.h>
 
-volatile int smp_processors_ready = 0;
 int smp_num_cpus = 1;
 volatile unsigned long cpu_callin_map[NR_CPUS] __initdata = {0,};
 unsigned char boot_cpu_id = 0;
diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c
index ba843f6a2832..3ff4edd32815 100644
--- a/arch/sparc/kernel/sun4d_smp.c
+++ b/arch/sparc/kernel/sun4d_smp.c
@@ -42,7 +42,7 @@ extern ctxd_t *srmmu_ctx_table_phys;
 
 extern void calibrate_delay(void);
 
-extern volatile int smp_processors_ready;
+static volatile int smp_processors_ready = 0;
 static int smp_highest_cpu;
 extern volatile unsigned long cpu_callin_map[NR_CPUS];
 extern cpuinfo_sparc cpu_data[NR_CPUS];
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c
index 3b32096134aa..7d4a649138f6 100644
--- a/arch/sparc/kernel/sun4m_smp.c
+++ b/arch/sparc/kernel/sun4m_smp.c
@@ -39,7 +39,6 @@ extern ctxd_t *srmmu_ctx_table_phys;
 
 extern void calibrate_delay(void);
 
-extern volatile int smp_processors_ready;
 extern volatile unsigned long cpu_callin_map[NR_CPUS];
 extern unsigned char boot_cpu_id;
 
@@ -217,7 +216,6 @@ void __init smp4m_smp_done(void)
         }
 
         /* Ok, they are spinning and ready to go. */
-        smp_processors_ready = 1;
 }
 
 /* At each hardware IRQ, we get this called to forward IRQ reception
diff --git a/arch/sparc/kernel/sys_sparc.c b/arch/sparc/kernel/sys_sparc.c
index a41c8a5c2007..94ff58c9d4a9 100644
--- a/arch/sparc/kernel/sys_sparc.c
+++ b/arch/sparc/kernel/sys_sparc.c
@@ -219,6 +219,21 @@ out:
         return err;
 }
 
+int sparc_mmap_check(unsigned long addr, unsigned long len, unsigned long flags)
+{
+        if (ARCH_SUN4C_SUN4 &&
+            (len > 0x20000000 ||
+             ((flags & MAP_FIXED) &&
+              addr < 0xe0000000 && addr + len > 0x20000000)))
+                return -EINVAL;
+
+        /* See asm-sparc/uaccess.h */
+        if (len > TASK_SIZE - PAGE_SIZE || addr + len > TASK_SIZE - PAGE_SIZE)
+                return -EINVAL;
+
+        return 0;
+}
+
 /* Linux version of mmap */
 static unsigned long do_mmap2(unsigned long addr, unsigned long len,
         unsigned long prot, unsigned long flags, unsigned long fd,
@@ -233,25 +248,13 @@ static unsigned long do_mmap2(unsigned long addr, unsigned long len,
                         goto out;
         }
 
-        retval = -EINVAL;
         len = PAGE_ALIGN(len);
-        if (ARCH_SUN4C_SUN4 &&
-            (len > 0x20000000 ||
-             ((flags & MAP_FIXED) &&
-              addr < 0xe0000000 && addr + len > 0x20000000)))
-                goto out_putf;
-
-        /* See asm-sparc/uaccess.h */
-        if (len > TASK_SIZE - PAGE_SIZE || addr + len > TASK_SIZE - PAGE_SIZE)
-                goto out_putf;
-
         flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
 
         down_write(&current->mm->mmap_sem);
         retval = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
         up_write(&current->mm->mmap_sem);
 
-out_putf:
         if (file)
                 fput(file);
 out:
diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c
index 04eb1eab6e3e..845081b01267 100644
--- a/arch/sparc/kernel/time.c
+++ b/arch/sparc/kernel/time.c
@@ -225,6 +225,32 @@ static __inline__ int has_low_battery(void)
         return (data1 == data2);        /* Was the write blocked? */
 }
 
+static void __init mostek_set_system_time(void)
+{
+        unsigned int year, mon, day, hour, min, sec;
+        struct mostek48t02 *mregs;
+
+        mregs = (struct mostek48t02 *)mstk48t02_regs;
+        if(!mregs) {
+                prom_printf("Something wrong, clock regs not mapped yet.\n");
+                prom_halt();
+        }               
+        spin_lock_irq(&mostek_lock);
+        mregs->creg |= MSTK_CREG_READ;
+        sec = MSTK_REG_SEC(mregs);
+        min = MSTK_REG_MIN(mregs);
+        hour = MSTK_REG_HOUR(mregs);
+        day = MSTK_REG_DOM(mregs);
+        mon = MSTK_REG_MONTH(mregs);
+        year = MSTK_CVT_YEAR( MSTK_REG_YEAR(mregs) );
+        xtime.tv_sec = mktime(year, mon, day, hour, min, sec);
+        xtime.tv_nsec = (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ);
+        set_normalized_timespec(&wall_to_monotonic,
+                                -xtime.tv_sec, -xtime.tv_nsec);
+        mregs->creg &= ~MSTK_CREG_READ;
+        spin_unlock_irq(&mostek_lock);
+}
+
 /* Probe for the real time clock chip on Sun4 */
 static __inline__ void sun4_clock_probe(void)
 {
@@ -273,6 +299,7 @@ static __inline__ void sun4_clock_probe(void)
 #endif
 }
 
+#ifndef CONFIG_SUN4
 static int __devinit clock_probe(struct of_device *op, const struct of_device_id *match)
 {
         struct device_node *dp = op->node;
@@ -307,6 +334,8 @@ static int __devinit clock_probe(struct of_device *op, const struct of_device_id
         if (mostek_read(mstk48t02_regs + MOSTEK_SEC) & MSTK_STOP)
                 kick_start_clock();
 
+        mostek_set_system_time();
+
         return 0;
 }
 
@@ -325,56 +354,37 @@ static struct of_platform_driver clock_driver = {
 
 
 /* Probe for the mostek real time clock chip. */
-static void clock_init(void)
+static int __init clock_init(void)
 {
-        of_register_driver(&clock_driver, &of_bus_type);
+        return of_register_driver(&clock_driver, &of_bus_type);
 }
 
+/* Must be after subsys_initcall() so that busses are probed.  Must
+ * be before device_initcall() because things like the RTC driver
+ * need to see the clock registers.
+ */
+fs_initcall(clock_init);
+#endif /* !CONFIG_SUN4 */
+
 void __init sbus_time_init(void)
 {
-        unsigned int year, mon, day, hour, min, sec;
-        struct mostek48t02 *mregs;
-
-#ifdef CONFIG_SUN4
-        int temp;
-        struct intersil *iregs;
-#endif
 
         BTFIXUPSET_CALL(bus_do_settimeofday, sbus_do_settimeofday, BTFIXUPCALL_NORM);
         btfixup();
 
         if (ARCH_SUN4)
                 sun4_clock_probe();
-        else
-                clock_init();
 
         sparc_init_timers(timer_interrupt);
         
 #ifdef CONFIG_SUN4
         if(idprom->id_machtype == (SM_SUN4 | SM_4_330)) {
-#endif
-        mregs = (struct mostek48t02 *)mstk48t02_regs;
-        if(!mregs) {
-                prom_printf("Something wrong, clock regs not mapped yet.\n");
-                prom_halt();
-        }               
-        spin_lock_irq(&mostek_lock);
-        mregs->creg |= MSTK_CREG_READ;
-        sec = MSTK_REG_SEC(mregs);
-        min = MSTK_REG_MIN(mregs);
-        hour = MSTK_REG_HOUR(mregs);
-        day = MSTK_REG_DOM(mregs);
-        mon = MSTK_REG_MONTH(mregs);
-        year = MSTK_CVT_YEAR( MSTK_REG_YEAR(mregs) );
-        xtime.tv_sec = mktime(year, mon, day, hour, min, sec);
-        xtime.tv_nsec = (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ);
-        set_normalized_timespec(&wall_to_monotonic,
-                                -xtime.tv_sec, -xtime.tv_nsec);
-        mregs->creg &= ~MSTK_CREG_READ;
-        spin_unlock_irq(&mostek_lock);
-#ifdef CONFIG_SUN4
+                mostek_set_system_time();
         } else if(idprom->id_machtype == (SM_SUN4 | SM_4_260) ) {
                 /* initialise the intersil on sun4 */
+                unsigned int year, mon, day, hour, min, sec;
+                int temp;
+                struct intersil *iregs;
 
                 iregs=intersil_clock;
                 if(!iregs) {