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CRIS: v32: Better irq mapping code 

Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
This commit is contained in:
Jesper Nilsson 2010-08-03 13:52:45 +02:00
parent 403a1c4f13
commit e75a320eda
1 changed files with 22 additions and 25 deletions
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47
arch/cris/arch-v32/kernel/irq.c
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@ -97,7 +97,11 @@ extern void breakh_BUG(void);
/*
* Build the IRQ handler stubs using macros from irq.h.
*/
#ifdef CONFIG_CRIS_MACH_ARTPEC3
BUILD_TIMER_IRQ(0x31, 0)
#else
BUILD_IRQ(0x31)
#endif
BUILD_IRQ(0x32)
BUILD_IRQ(0x33)
BUILD_IRQ(0x34)
@ -123,7 +127,11 @@ BUILD_IRQ(0x47)
BUILD_IRQ(0x48)
BUILD_IRQ(0x49)
BUILD_IRQ(0x4a)
#ifdef CONFIG_ETRAXFS
BUILD_TIMER_IRQ(0x4b, 0)
#else
BUILD_IRQ(0x4b)
#endif
BUILD_IRQ(0x4c)
BUILD_IRQ(0x4d)
BUILD_IRQ(0x4e)
@ -199,25 +207,20 @@ block_irq(int irq, int cpu)
unsigned long flags;
spin_lock_irqsave(&irq_lock, flags);
if (irq - FIRST_IRQ < 32)
/* Remember, 1 let thru, 0 block. */
if (irq - FIRST_IRQ < 32) {
intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu],
rw_mask, 0);
else
intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu],
rw_mask, 1);
/* Remember; 1 let thru, 0 block. */
if (irq - FIRST_IRQ < 32)
intr_mask &= ~(1 << (irq - FIRST_IRQ));
else
intr_mask &= ~(1 << (irq - FIRST_IRQ - 32));
if (irq - FIRST_IRQ < 32)
REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask,
0, intr_mask);
else
} else {
intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu],
rw_mask, 1);
intr_mask &= ~(1 << (irq - FIRST_IRQ - 32));
REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask,
1, intr_mask);
}
spin_unlock_irqrestore(&irq_lock, flags);
}
@ -228,26 +231,20 @@ unblock_irq(int irq, int cpu)
unsigned long flags;
spin_lock_irqsave(&irq_lock, flags);
if (irq - FIRST_IRQ < 32)
/* Remember, 1 let thru, 0 block. */
if (irq - FIRST_IRQ < 32) {
intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu],
rw_mask, 0);
else
intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu],
rw_mask, 1);
/* Remember; 1 let thru, 0 block. */
if (irq - FIRST_IRQ < 32)
intr_mask |= (1 << (irq - FIRST_IRQ));
else
intr_mask |= (1 << (irq - FIRST_IRQ - 32));
if (irq - FIRST_IRQ < 32)
REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask,
0, intr_mask);
else
} else {
intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu],
rw_mask, 1);
intr_mask |= (1 << (irq - FIRST_IRQ - 32));
REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask,
1, intr_mask);
}
spin_unlock_irqrestore(&irq_lock, flags);
}