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MIPS: SNI: Convert sni_rm200_i8259A_lock to raw spinlock.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2010-02-27 12:53:39 +01:00
parent 8965087055
commit 36946d7387
1 changed files with 11 additions and 11 deletions
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22
arch/mips/sni/rm200.c
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@ -132,7 +132,7 @@ device_initcall(snirm_setup_devinit);
* readb/writeb to access them
*/
static DEFINE_SPINLOCK(sni_rm200_i8259A_lock);
static DEFINE_RAW_SPINLOCK(sni_rm200_i8259A_lock);
#define PIC_CMD 0x00
#define PIC_IMR 0x01
#define PIC_ISR PIC_CMD
@ -161,13 +161,13 @@ static void sni_rm200_disable_8259A_irq(unsigned int irq)
irq -= RM200_I8259A_IRQ_BASE;
mask = 1 << irq;
spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
raw_spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
rm200_cached_irq_mask |= mask;
if (irq & 8)
writeb(cached_slave_mask, rm200_pic_slave + PIC_IMR);
else
writeb(cached_master_mask, rm200_pic_master + PIC_IMR);
spin_unlock_irqrestore(&sni_rm200_i8259A_lock, flags);
raw_spin_unlock_irqrestore(&sni_rm200_i8259A_lock, flags);
}
static void sni_rm200_enable_8259A_irq(unsigned int irq)
@ -177,13 +177,13 @@ static void sni_rm200_enable_8259A_irq(unsigned int irq)
irq -= RM200_I8259A_IRQ_BASE;
mask = ~(1 << irq);
spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
raw_spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
rm200_cached_irq_mask &= mask;
if (irq & 8)
writeb(cached_slave_mask, rm200_pic_slave + PIC_IMR);
else
writeb(cached_master_mask, rm200_pic_master + PIC_IMR);
spin_unlock_irqrestore(&sni_rm200_i8259A_lock, flags);
raw_spin_unlock_irqrestore(&sni_rm200_i8259A_lock, flags);
}
static inline int sni_rm200_i8259A_irq_real(unsigned int irq)
@ -216,7 +216,7 @@ void sni_rm200_mask_and_ack_8259A(unsigned int irq)
irq -= RM200_I8259A_IRQ_BASE;
irqmask = 1 << irq;
spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
raw_spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
/*
* Lightweight spurious IRQ detection. We do not want
* to overdo spurious IRQ handling - it's usually a sign
@ -247,7 +247,7 @@ handle_real_irq:
writeb(cached_master_mask, rm200_pic_master + PIC_IMR);
writeb(0x60+irq, rm200_pic_master + PIC_CMD);
}
spin_unlock_irqrestore(&sni_rm200_i8259A_lock, flags);
raw_spin_unlock_irqrestore(&sni_rm200_i8259A_lock, flags);
return;
spurious_8259A_irq:
@ -298,7 +298,7 @@ static inline int sni_rm200_i8259_irq(void)
{
int irq;
spin_lock(&sni_rm200_i8259A_lock);
raw_spin_lock(&sni_rm200_i8259A_lock);
/* Perform an interrupt acknowledge cycle on controller 1. */
writeb(0x0C, rm200_pic_master + PIC_CMD); /* prepare for poll */
@ -325,7 +325,7 @@ static inline int sni_rm200_i8259_irq(void)
irq = -1;
}
spin_unlock(&sni_rm200_i8259A_lock);
raw_spin_unlock(&sni_rm200_i8259A_lock);
return likely(irq >= 0) ? irq + RM200_I8259A_IRQ_BASE : irq;
}
@ -334,7 +334,7 @@ void sni_rm200_init_8259A(void)
{
unsigned long flags;
spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
raw_spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
writeb(0xff, rm200_pic_master + PIC_IMR);
writeb(0xff, rm200_pic_slave + PIC_IMR);
@ -352,7 +352,7 @@ void sni_rm200_init_8259A(void)
writeb(cached_master_mask, rm200_pic_master + PIC_IMR);
writeb(cached_slave_mask, rm200_pic_slave + PIC_IMR);
spin_unlock_irqrestore(&sni_rm200_i8259A_lock, flags);
raw_spin_unlock_irqrestore(&sni_rm200_i8259A_lock, flags);
}
/*