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powerpc: Fix incorrect timer register addresses in mpic.c

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We were computing the wrong address for the MPIC timer registers,
so when we went to initialize them we would have been hitting some
unrelated ioremap... oops.

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Paul Mackerras
2005-10-26 21:55:33 +10:00
parent fa39dc437a
commit bd561c79dc
1 changed files with 2 additions and 3 deletions
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arch/powerpc/sysdev/mpic.c
+2 -3
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@@ -358,7 +358,7 @@ static void mpic_enable_irq(unsigned int irq)
struct mpic *mpic = mpic_from_irq(irq);
unsigned int src = irq - mpic->irq_offset;
DBG("%s: enable_irq: %d (src %d)\n", mpic->name, irq, src);
DBG("%p: %s: enable_irq: %d (src %d)\n", mpic, mpic->name, irq, src);
mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI,
mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) & ~MPIC_VECPRI_MASK);
@@ -511,7 +511,7 @@ struct mpic * __init mpic_alloc(unsigned long phys_addr,
/* Map the global registers */
mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x1000);
mpic->tmregs = mpic->gregs + (MPIC_TIMER_BASE >> 2);
mpic->tmregs = mpic->gregs + ((MPIC_TIMER_BASE - MPIC_GREG_BASE) >> 2);
BUG_ON(mpic->gregs == NULL);
/* Reset */
@@ -648,7 +648,6 @@ void __init mpic_init(struct mpic *mpic)
continue;
irq_desc[mpic->ipi_offset+i].status |= IRQ_PER_CPU;
irq_desc[mpic->ipi_offset+i].handler = &mpic->hc_ipi;
#endif /* CONFIG_SMP */
}