4 files changed, 11 insertions, 5 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 15dc1a0dffbb..9f80fa502f8f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -78,7 +78,7 @@ menu "System Type"
 
 choice
         prompt "ARM system type"
-        default ARCH_RPC
+        default ARCH_VERSATILE
 
 config ARCH_CLPS7500
         bool "Cirrus-CL-PS7500FE"
diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index d7d932c02866..d6bd435a6857 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -422,12 +422,14 @@ static int timer_dyn_tick_disable(void)
 void timer_dyn_reprogram(void)
 {
         struct dyn_tick_timer *dyn_tick = system_timer->dyn_tick;
+        unsigned long next, seq;
 
-        if (dyn_tick) {
-                write_seqlock(&xtime_lock);
-                if (dyn_tick->state & DYN_TICK_ENABLED)
+        if (dyn_tick && (dyn_tick->state & DYN_TICK_ENABLED)) {
+                next = next_timer_interrupt();
+                do {
+                        seq = read_seqbegin(&xtime_lock);
                         dyn_tick->reprogram(next_timer_interrupt() - jiffies);
-                write_sequnlock(&xtime_lock);
+                } while (read_seqretry(&xtime_lock, seq));
         }
 }
 
diff --git a/arch/arm/mach-ixp4xx/nas100d-power.c b/arch/arm/mach-ixp4xx/nas100d-power.c
index 2bec69bfa715..99d333d7ebdd 100644
--- a/arch/arm/mach-ixp4xx/nas100d-power.c
+++ b/arch/arm/mach-ixp4xx/nas100d-power.c
@@ -56,6 +56,9 @@ static int __init nas100d_power_init(void)
 
 static void __exit nas100d_power_exit(void)
 {
+        if (!(machine_is_nas100d()))
+                return;
+
         free_irq(NAS100D_RB_IRQ, NULL);
 }
 
diff --git a/arch/arm/mm/tlb-v6.S b/arch/arm/mm/tlb-v6.S
index 6f76b89ef46e..fd6adde39091 100644
--- a/arch/arm/mm/tlb-v6.S
+++ b/arch/arm/mm/tlb-v6.S
@@ -80,6 +80,7 @@ ENTRY(v6wbi_flush_kern_tlb_range)
         add     r0, r0, #PAGE_SZ
         cmp     r0, r1
         blo     1b
+        mcr     p15, 0, r2, c7, c10, 4          @ data synchronization barrier
         mov     pc, lr
 
         .section ".text.init", #alloc, #execinstr