diff options
Diffstat (limited to 'arch/ppc/syslib/open_pic.c')
-rw-r--r-- | arch/ppc/syslib/open_pic.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/arch/ppc/syslib/open_pic.c b/arch/ppc/syslib/open_pic.c index b45d8268bf93..ad39b86ca92c 100644 --- a/arch/ppc/syslib/open_pic.c +++ b/arch/ppc/syslib/open_pic.c | |||
@@ -370,8 +370,9 @@ void __init openpic_init(int offset) | |||
370 | /* Initialize IPI interrupts */ | 370 | /* Initialize IPI interrupts */ |
371 | if ( ppc_md.progress ) ppc_md.progress("openpic: ipi",0x3bb); | 371 | if ( ppc_md.progress ) ppc_md.progress("openpic: ipi",0x3bb); |
372 | for (i = 0; i < OPENPIC_NUM_IPI; i++) { | 372 | for (i = 0; i < OPENPIC_NUM_IPI; i++) { |
373 | /* Disabled, Priority 10..13 */ | 373 | /* Disabled, increased priorities 10..13 */ |
374 | openpic_initipi(i, 10+i, OPENPIC_VEC_IPI+i+offset); | 374 | openpic_initipi(i, OPENPIC_PRIORITY_IPI_BASE+i, |
375 | OPENPIC_VEC_IPI+i+offset); | ||
375 | /* IPIs are per-CPU */ | 376 | /* IPIs are per-CPU */ |
376 | irq_desc[OPENPIC_VEC_IPI+i+offset].status |= IRQ_PER_CPU; | 377 | irq_desc[OPENPIC_VEC_IPI+i+offset].status |= IRQ_PER_CPU; |
377 | irq_desc[OPENPIC_VEC_IPI+i+offset].handler = &open_pic_ipi; | 378 | irq_desc[OPENPIC_VEC_IPI+i+offset].handler = &open_pic_ipi; |
@@ -399,8 +400,9 @@ void __init openpic_init(int offset) | |||
399 | if (sense & IRQ_SENSE_MASK) | 400 | if (sense & IRQ_SENSE_MASK) |
400 | irq_desc[i+offset].status = IRQ_LEVEL; | 401 | irq_desc[i+offset].status = IRQ_LEVEL; |
401 | 402 | ||
402 | /* Enabled, Priority 8 */ | 403 | /* Enabled, Default priority */ |
403 | openpic_initirq(i, 8, i+offset, (sense & IRQ_POLARITY_MASK), | 404 | openpic_initirq(i, OPENPIC_PRIORITY_DEFAULT, i+offset, |
405 | (sense & IRQ_POLARITY_MASK), | ||
404 | (sense & IRQ_SENSE_MASK)); | 406 | (sense & IRQ_SENSE_MASK)); |
405 | /* Processor 0 */ | 407 | /* Processor 0 */ |
406 | openpic_mapirq(i, CPU_MASK_CPU0, CPU_MASK_NONE); | 408 | openpic_mapirq(i, CPU_MASK_CPU0, CPU_MASK_NONE); |
@@ -656,6 +658,18 @@ static void __init openpic_maptimer(u_int timer, cpumask_t cpumask) | |||
656 | } | 658 | } |
657 | 659 | ||
658 | /* | 660 | /* |
661 | * Change the priority of an interrupt | ||
662 | */ | ||
663 | void __init | ||
664 | openpic_set_irq_priority(u_int irq, u_int pri) | ||
665 | { | ||
666 | check_arg_irq(irq); | ||
667 | openpic_safe_writefield(&ISR[irq - open_pic_irq_offset]->Vector_Priority, | ||
668 | OPENPIC_PRIORITY_MASK, | ||
669 | pri << OPENPIC_PRIORITY_SHIFT); | ||
670 | } | ||
671 | |||
672 | /* | ||
659 | * Initalize the interrupt source which will generate an NMI. | 673 | * Initalize the interrupt source which will generate an NMI. |
660 | * This raises the interrupt's priority from 8 to 9. | 674 | * This raises the interrupt's priority from 8 to 9. |
661 | * | 675 | * |
@@ -665,9 +679,7 @@ void __init | |||
665 | openpic_init_nmi_irq(u_int irq) | 679 | openpic_init_nmi_irq(u_int irq) |
666 | { | 680 | { |
667 | check_arg_irq(irq); | 681 | check_arg_irq(irq); |
668 | openpic_safe_writefield(&ISR[irq - open_pic_irq_offset]->Vector_Priority, | 682 | openpic_set_irq_priority(irq, OPENPIC_PRIORITY_NMI); |
669 | OPENPIC_PRIORITY_MASK, | ||
670 | 9 << OPENPIC_PRIORITY_SHIFT); | ||
671 | } | 683 | } |
672 | 684 | ||
673 | /* | 685 | /* |