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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-12-22 18:34:05 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-12-22 18:34:05 +0100 |
| commit | b31c78e2d6b45a51413c7ec08d703e43f5fb16b3 (patch) | |
| tree | 4af11a74b979b53349f7b5a302d2323d130fa4cc | |
| parent | Merge branch 'to_linus' of master.kernel.org:/pub/scm/linux/kernel/git/mcheha... (diff) | |
| parent | powerpc: Fix i8259 cascade on pSeries with XICS interrupt controller (diff) | |
| download | linux-b31c78e2d6b45a51413c7ec08d703e43f5fb16b3.tar.xz linux-b31c78e2d6b45a51413c7ec08d703e43f5fb16b3.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge
| -rw-r--r-- | arch/powerpc/platforms/pseries/xics.c | 21 |
1 files changed, 3 insertions, 18 deletions
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 72ac18067ece..0377decc0719 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -48,11 +48,6 @@ static struct hw_interrupt_type xics_pic = { .set_affinity = xics_set_affinity }; -static struct hw_interrupt_type xics_8259_pic = { - .typename = " XICS/8259", - .ack = xics_mask_and_ack_irq, -}; - /* This is used to map real irq numbers to virtual */ static struct radix_tree_root irq_map = RADIX_TREE_INIT(GFP_ATOMIC); @@ -367,12 +362,7 @@ int xics_get_irq(struct pt_regs *regs) /* for sanity, this had better be < NR_IRQS - 16 */ if (vec == xics_irq_8259_cascade_real) { irq = i8259_irq(regs); - if (irq == -1) { - /* Spurious cascaded interrupt. Still must ack xics */ - xics_end_irq(irq_offset_up(xics_irq_8259_cascade)); - - irq = -1; - } + xics_end_irq(irq_offset_up(xics_irq_8259_cascade)); } else if (vec == XICS_IRQ_SPURIOUS) { irq = -1; } else { @@ -542,6 +532,7 @@ nextnode: xics_irq_8259_cascade_real = *ireg; xics_irq_8259_cascade = virt_irq_create_mapping(xics_irq_8259_cascade_real); + i8259_init(0, 0); of_node_put(np); } @@ -565,12 +556,7 @@ nextnode: #endif /* CONFIG_SMP */ } - xics_8259_pic.enable = i8259_pic.enable; - xics_8259_pic.disable = i8259_pic.disable; - xics_8259_pic.end = i8259_pic.end; - for (i = 0; i < 16; ++i) - get_irq_desc(i)->handler = &xics_8259_pic; - for (; i < NR_IRQS; ++i) + for (i = irq_offset_value(); i < NR_IRQS; ++i) get_irq_desc(i)->handler = &xics_pic; xics_setup_cpu(); @@ -590,7 +576,6 @@ static int __init xics_setup_i8259(void) no_action, 0, "8259 cascade", NULL)) printk(KERN_ERR "xics_setup_i8259: couldn't get 8259 " "cascade\n"); - i8259_init(0, 0); } return 0; } |