[ARM] 4186/1: iop: remove cp6_enable/disable routines

This functionality is replaced by cp6_trap

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 0 insertions, 29 deletions

diff --git a/arch/arm/mach-iop13xx/irq.c b/arch/arm/mach-iop13xx/irq.c
index 162b9321496..b2eb0b96103 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 8b21365f653..fc9d9d9a842 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);
 }