5 files changed, 0 insertions, 49 deletions

diff --git a/arch/arm/mach-iop13xx/irq.c b/arch/arm/mach-iop13xx/irq.c
index 162b93214965..b2eb0b961031 100644
--- a/arch/arm/mach-iop13xx/irq.c
+++ b/arch/arm/mach-iop13xx/irq.c
@@ -161,65 +161,49 @@ static void write_intsize(u32 val)
 static void
 iop13xx_irq_mask0 (unsigned int irq)
 {
-        u32 cp_flags = iop13xx_cp6_save();
         write_intctl_0(read_intctl_0() & ~(1 << (irq - 0)));
-        iop13xx_cp6_restore(cp_flags);
 }
 
 static void
 iop13xx_irq_mask1 (unsigned int irq)
 {
-        u32 cp_flags = iop13xx_cp6_save();
         write_intctl_1(read_intctl_1() & ~(1 << (irq - 32)));
-        iop13xx_cp6_restore(cp_flags);
 }
 
 static void
 iop13xx_irq_mask2 (unsigned int irq)
 {
-        u32 cp_flags = iop13xx_cp6_save();
         write_intctl_2(read_intctl_2() & ~(1 << (irq - 64)));
-        iop13xx_cp6_restore(cp_flags);
 }
 
 static void
 iop13xx_irq_mask3 (unsigned int irq)
 {
-        u32 cp_flags = iop13xx_cp6_save();
         write_intctl_3(read_intctl_3() & ~(1 << (irq - 96)));
-        iop13xx_cp6_restore(cp_flags);
 }
 
 static void
 iop13xx_irq_unmask0(unsigned int irq)
 {
-        u32 cp_flags = iop13xx_cp6_save();
         write_intctl_0(read_intctl_0() | (1 << (irq - 0)));
-        iop13xx_cp6_restore(cp_flags);
 }
 
 static void
 iop13xx_irq_unmask1(unsigned int irq)
 {
-        u32 cp_flags = iop13xx_cp6_save();
         write_intctl_1(read_intctl_1() | (1 << (irq - 32)));
-        iop13xx_cp6_restore(cp_flags);
 }
 
 static void
 iop13xx_irq_unmask2(unsigned int irq)
 {
-        u32 cp_flags = iop13xx_cp6_save();
         write_intctl_2(read_intctl_2() | (1 << (irq - 64)));
-        iop13xx_cp6_restore(cp_flags);
 }
 
 static void
 iop13xx_irq_unmask3(unsigned int irq)
 {
-        u32 cp_flags = iop13xx_cp6_save();
         write_intctl_3(read_intctl_3() | (1 << (irq - 96)));
-        iop13xx_cp6_restore(cp_flags);
 }
 
 static struct irq_chip iop13xx_irqchip1 = {
@@ -256,7 +240,6 @@ void __init iop13xx_init_irq(void)
 {
         unsigned int i;
 
-        u32 cp_flags = iop13xx_cp6_save();
         iop_init_cp6_handler();
 
         /* disable all interrupts */
@@ -288,6 +271,4 @@ void __init iop13xx_init_irq(void)
                 set_irq_handler(i, handle_level_irq);
                 set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
         }
-
-        iop13xx_cp6_restore(cp_flags);
 }
diff --git a/arch/arm/mach-iop13xx/time.c b/arch/arm/mach-iop13xx/time.c
index 8b21365f653f..fc9d9d9a8429 100644
--- a/arch/arm/mach-iop13xx/time.c
+++ b/arch/arm/mach-iop13xx/time.c
@@ -38,11 +38,8 @@ static inline u32 read_tcr1(void)
 unsigned long iop13xx_gettimeoffset(void)
 {
         unsigned long offset;
-        u32 cp_flags;
 
-        cp_flags = iop13xx_cp6_save();
         offset = next_jiffy_time - read_tcr1();
-        iop13xx_cp6_restore(cp_flags);
 
         return offset / ticks_per_usec;
 }
@@ -50,8 +47,6 @@ unsigned long iop13xx_gettimeoffset(void)
 static irqreturn_t
 iop13xx_timer_interrupt(int irq, void *dev_id)
 {
-        u32 cp_flags = iop13xx_cp6_save();
-
         write_seqlock(&xtime_lock);
 
         asm volatile("mcr p6, 0, %0, c6, c9, 0" : : "r" (1));
@@ -64,8 +59,6 @@ iop13xx_timer_interrupt(int irq, void *dev_id)
 
         write_sequnlock(&xtime_lock);
 
-        iop13xx_cp6_restore(cp_flags);
-
         return IRQ_HANDLED;
 }
 
@@ -78,7 +71,6 @@ static struct irqaction iop13xx_timer_irq = {
 void __init iop13xx_init_time(unsigned long tick_rate)
 {
         u32 timer_ctl;
-        u32 cp_flags;
 
         ticks_per_jiffy = (tick_rate + HZ/2) / HZ;
         ticks_per_usec = tick_rate / 1000000;
@@ -91,12 +83,10 @@ void __init iop13xx_init_time(unsigned long tick_rate)
          * We use timer 0 for our timer interrupt, and timer 1 as
          * monotonic counter for tracking missed jiffies.
          */
-        cp_flags = iop13xx_cp6_save();
         asm volatile("mcr p6, 0, %0, c4, c9, 0" : : "r" (ticks_per_jiffy - 1));
         asm volatile("mcr p6, 0, %0, c0, c9, 0" : : "r" (timer_ctl));
         asm volatile("mcr p6, 0, %0, c5, c9, 0" : : "r" (0xffffffff));
         asm volatile("mcr p6, 0, %0, c1, c9, 0" : : "r" (timer_ctl));
-        iop13xx_cp6_restore(cp_flags);
 
         setup_irq(IRQ_IOP13XX_TIMER0, &iop13xx_timer_irq);
 }
diff --git a/arch/arm/mach-iop32x/irq.c b/arch/arm/mach-iop32x/irq.c
index 8b0ac5590ae4..82598dc18d80 100644
--- a/arch/arm/mach-iop32x/irq.c
+++ b/arch/arm/mach-iop32x/irq.c
@@ -23,16 +23,12 @@ static u32 iop32x_mask;
 
 static inline void intctl_write(u32 val)
 {
-        iop3xx_cp6_enable();
         asm volatile("mcr p6, 0, %0, c0, c0, 0" : : "r" (val));
-        iop3xx_cp6_disable();
 }
 
 static inline void intstr_write(u32 val)
 {
-        iop3xx_cp6_enable();
         asm volatile("mcr p6, 0, %0, c4, c0, 0" : : "r" (val));
-        iop3xx_cp6_disable();
 }
 
 static void
diff --git a/arch/arm/mach-iop33x/irq.c b/arch/arm/mach-iop33x/irq.c
index effbe6b782d0..c65ea78a2427 100644
--- a/arch/arm/mach-iop33x/irq.c
+++ b/arch/arm/mach-iop33x/irq.c
@@ -24,44 +24,32 @@ static u32 iop33x_mask1;
 
 static inline void intctl0_write(u32 val)
 {
-        iop3xx_cp6_enable();
         asm volatile("mcr p6, 0, %0, c0, c0, 0" : : "r" (val));
-        iop3xx_cp6_disable();
 }
 
 static inline void intctl1_write(u32 val)
 {
-        iop3xx_cp6_enable();
         asm volatile("mcr p6, 0, %0, c1, c0, 0" : : "r" (val));
-        iop3xx_cp6_disable();
 }
 
 static inline void intstr0_write(u32 val)
 {
-        iop3xx_cp6_enable();
         asm volatile("mcr p6, 0, %0, c2, c0, 0" : : "r" (val));
-        iop3xx_cp6_disable();
 }
 
 static inline void intstr1_write(u32 val)
 {
-        iop3xx_cp6_enable();
         asm volatile("mcr p6, 0, %0, c3, c0, 0" : : "r" (val));
-        iop3xx_cp6_disable();
 }
 
 static inline void intbase_write(u32 val)
 {
-        iop3xx_cp6_enable();
         asm volatile("mcr p6, 0, %0, c12, c0, 0" : : "r" (val));
-        iop3xx_cp6_disable();
 }
 
 static inline void intsize_write(u32 val)
 {
-        iop3xx_cp6_enable();
         asm volatile("mcr p6, 0, %0, c13, c0, 0" : : "r" (val));
-        iop3xx_cp6_disable();
 }
 
 static void
diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c
index f530abdaa7a1..0d53b813cbb4 100644
--- a/arch/arm/plat-iop/time.c
+++ b/arch/arm/plat-iop/time.c
@@ -51,9 +51,7 @@ iop3xx_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
-        iop3xx_cp6_enable();
         asm volatile("mcr p6, 0, %0, c6, c1, 0" : : "r" (1));
-        iop3xx_cp6_disable();
 
         while ((signed long)(next_jiffy_time - *IOP3XX_TU_TCR1)
                                                         >= ticks_per_jiffy) {
@@ -87,12 +85,10 @@ void __init iop3xx_init_time(unsigned long tick_rate)
          * We use timer 0 for our timer interrupt, and timer 1 as
          * monotonic counter for tracking missed jiffies.
          */
-        iop3xx_cp6_enable();
         asm volatile("mcr p6, 0, %0, c4, c1, 0" : : "r" (ticks_per_jiffy - 1));
         asm volatile("mcr p6, 0, %0, c0, c1, 0" : : "r" (timer_ctl));
         asm volatile("mcr p6, 0, %0, c5, c1, 0" : : "r" (0xffffffff));
         asm volatile("mcr p6, 0, %0, c1, c1, 0" : : "r" (timer_ctl));
-        iop3xx_cp6_disable();
 
         setup_irq(IRQ_IOP3XX_TIMER0, &iop3xx_timer_irq);
 }