11 files changed, 52 insertions, 29 deletions

diff --git a/arch/parisc/include/asm/hardware.h b/arch/parisc/include/asm/hardware.h
index 4e9626836bab..d1d864b81bae 100644
--- a/arch/parisc/include/asm/hardware.h
+++ b/arch/parisc/include/asm/hardware.h
@@ -2,7 +2,6 @@
 #define _PARISC_HARDWARE_H
 
 #include <linux/mod_devicetable.h>
-#include <asm/pdc.h>
 
 #define HWTYPE_ANY_ID           PA_HWTYPE_ANY_ID
 #define HVERSION_ANY_ID         PA_HVERSION_ANY_ID
@@ -95,12 +94,14 @@ struct bc_module {
 #define HPHW_MC        15
 #define HPHW_FAULTY    31
 
+struct parisc_device_id;
 
 /* hardware.c: */
 extern const char *parisc_hardware_description(struct parisc_device_id *id);
 extern enum cpu_type parisc_get_cpu_type(unsigned long hversion);
 
 struct pci_dev;
+struct hardware_path;
 
 /* drivers.c: */
 extern struct parisc_device *alloc_pa_dev(unsigned long hpa,
diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h
index a84cc1f925f6..4e0e7dbf0f3f 100644
--- a/arch/parisc/include/asm/page.h
+++ b/arch/parisc/include/asm/page.h
@@ -160,5 +160,11 @@ extern int npmem_ranges;
 
 #include <asm-generic/memory_model.h>
 #include <asm-generic/getorder.h>
+#include <asm/pdc.h>
+
+#define PAGE0   ((struct zeropage *)__PAGE_OFFSET)
+
+/* DEFINITION OF THE ZERO-PAGE (PAG0) */
+/* based on work by Jason Eckhardt (jason@equator.com) */
 
 #endif /* _PARISC_PAGE_H */
diff --git a/arch/parisc/include/asm/pdc.h b/arch/parisc/include/asm/pdc.h
index 4ca510b3c6f8..7f0f2d23059d 100644
--- a/arch/parisc/include/asm/pdc.h
+++ b/arch/parisc/include/asm/pdc.h
@@ -343,8 +343,6 @@
 
 #ifdef __KERNEL__
 
-#include <asm/page.h> /* for __PAGE_OFFSET */
-
 extern int pdc_type;
 
 /* Values for pdc_type */
@@ -677,11 +675,6 @@ static inline char * os_id_to_string(u16 os_id) {
 
 #endif /* __KERNEL__ */
 
-#define PAGE0   ((struct zeropage *)__PAGE_OFFSET)
-
-/* DEFINITION OF THE ZERO-PAGE (PAG0) */
-/* based on work by Jason Eckhardt (jason@equator.com) */
-
 /* flags of the device_path */
 #define PF_AUTOBOOT     0x80
 #define PF_AUTOSEARCH   0x40
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index 22dadeb58695..ee99f2339356 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -44,6 +44,8 @@ struct vm_area_struct;
 
 #endif /* !__ASSEMBLY__ */
 
+#include <asm/page.h>
+
 #define pte_ERROR(e) \
         printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))
 #define pmd_ERROR(e) \
diff --git a/arch/parisc/include/asm/prefetch.h b/arch/parisc/include/asm/prefetch.h
index c5edc60c059f..1ee7c82672c1 100644
--- a/arch/parisc/include/asm/prefetch.h
+++ b/arch/parisc/include/asm/prefetch.h
@@ -21,7 +21,12 @@
 #define ARCH_HAS_PREFETCH
 static inline void prefetch(const void *addr)
 {
-        __asm__("ldw 0(%0), %%r0" : : "r" (addr));
+        __asm__(
+#ifndef CONFIG_PA20
+                /* Need to avoid prefetch of NULL on PA7300LC */
+                "       extrw,u,= %0,31,32,%%r0\n"
+#endif
+                "       ldw 0(%0), %%r0" : : "r" (addr));
 }
 
 /* LDD is a PA2.0 addition. */
diff --git a/arch/parisc/include/asm/spinlock.h b/arch/parisc/include/asm/spinlock.h
index 804aa28ab1d6..3516e0b27044 100644
--- a/arch/parisc/include/asm/spinlock.h
+++ b/arch/parisc/include/asm/spinlock.h
@@ -1,6 +1,8 @@
 #ifndef __ASM_SPINLOCK_H
 #define __ASM_SPINLOCK_H
 
+#include <asm/barrier.h>
+#include <asm/ldcw.h>
 #include <asm/processor.h>
 #include <asm/spinlock_types.h>
 
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 6f0594439143..535034217021 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -581,7 +581,11 @@
          */
         cmpiclr,=       0x01,\tmp,%r0
         ldi             (_PAGE_DIRTY|_PAGE_READ|_PAGE_WRITE),\prot
+#ifdef CONFIG_64BIT
         depd,z          \prot,8,7,\prot
+#else
+        depw,z          \prot,8,7,\prot
+#endif
         /*
          * OK, it is in the temp alias region, check whether "from" or "to".
          * Check "subtle" note in pacache.S re: r23/r26.
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index 93ff3d90edd1..5d7218ad885c 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -692,7 +692,7 @@ ENTRY(flush_icache_page_asm)
 
         /* Purge any old translation */
 
-        pitlb           (%sr0,%r28)
+        pitlb           (%sr4,%r28)
 
         ldil            L%icache_stride, %r1
         ldw             R%icache_stride(%r1), %r1
@@ -706,27 +706,29 @@ ENTRY(flush_icache_page_asm)
         sub             %r25, %r1, %r25
 
 
-1:      fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
-        fic,m           %r1(%r28)
+        /* fic only has the type 26 form on PA1.1, requiring an
+         * explicit space specification, so use %sr4 */
+1:      fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
+        fic,m           %r1(%sr4,%r28)
         cmpb,COND(<<)           %r28, %r25,1b
-        fic,m           %r1(%r28)
+        fic,m           %r1(%sr4,%r28)
 
         sync
         bv              %r0(%r2)
-        pitlb           (%sr0,%r25)
+        pitlb           (%sr4,%r25)
         .exit
 
         .procend
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index 4f004596a6e7..47341aa208f2 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -50,6 +50,7 @@
 #include <linux/init.h>
 #include <linux/major.h>
 #include <linux/tty.h>
+#include <asm/page.h>           /* for PAGE0 */
 #include <asm/pdc.h>            /* for iodc_call() proto and friends */
 
 static DEFINE_SPINLOCK(pdc_console_lock);
@@ -104,7 +105,7 @@ static int pdc_console_tty_open(struct tty_struct *tty, struct file *filp)
 
 static void pdc_console_tty_close(struct tty_struct *tty, struct file *filp)
 {
-        if (!tty->count) {
+        if (tty->count == 1) {
                 del_timer_sync(&pdc_console_timer);
                 tty_port_tty_set(&tty_port, NULL);
         }
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 0bb1d63907f8..4dc7b7942b4c 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -31,6 +31,7 @@
 #include <linux/delay.h>
 #include <linux/bitops.h>
 #include <linux/ftrace.h>
+#include <linux/cpu.h>
 
 #include <linux/atomic.h>
 #include <asm/current.h>
@@ -295,8 +296,13 @@ smp_cpu_init(int cpunum)
 
                 printk(KERN_CRIT "CPU#%d already initialized!\n", cpunum);
                 machine_halt();
-        }  
+        }
+
+        notify_cpu_starting(cpunum);
+
+        ipi_call_lock();
         set_cpu_online(cpunum, true);
+        ipi_call_unlock();
 
         /* Initialise the idle task for this CPU */
         atomic_inc(&init_mm.mm_count);
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 7c0774397b89..70e105d62423 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -29,6 +29,7 @@
 #include <asm/uaccess.h>
 #include <asm/io.h>
 #include <asm/irq.h>
+#include <asm/page.h>
 #include <asm/param.h>
 #include <asm/pdc.h>
 #include <asm/led.h>