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-rw-r--r--arch/arm/mach-iop13xx/irq.c19
-rw-r--r--arch/arm/mach-iop13xx/time.c10
-rw-r--r--arch/arm/mach-iop32x/irq.c4
-rw-r--r--arch/arm/mach-iop33x/irq.c12
-rw-r--r--arch/arm/plat-iop/time.c4
5 files changed, 0 insertions, 49 deletions
diff --git a/arch/arm/mach-iop13xx/irq.c b/arch/arm/mach-iop13xx/irq.c
index 162b932..b2eb0b9 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 8b21365..fc9d9d9 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 8b0ac55..82598dc1 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 effbe6b..c65ea78 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 f530abd..0d53b81 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);
}
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