diff options
| author | Tony Lindgren <tony@atomide.com> | 2011-06-14 05:53:42 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2011-06-14 05:53:42 -0700 |
| commit | b8ce9fb8e18af7466e0b915bb5979322cdace322 (patch) | |
| tree | eec6f9b58ce154fd863f0f78b374a697a5a7139b /kernel/irq/irqdesc.c | |
| parent | c8e0bf95fc01d6e2ca585fe08010800b6c56e823 (diff) | |
| parent | e9e35c5a2b2c803b5e2f25906d8ffe110670ceb6 (diff) | |
Merge branch 'fixes-v3.0-rc3' into devel-fixes
Diffstat (limited to 'kernel/irq/irqdesc.c')
| -rw-r--r-- | kernel/irq/irqdesc.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 886e80347b3..4c60a50e66b 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -257,13 +257,11 @@ int __init early_irq_init(void) count = ARRAY_SIZE(irq_desc); for (i = 0; i < count; i++) { - desc[i].irq_data.irq = i; - desc[i].irq_data.chip = &no_irq_chip; desc[i].kstat_irqs = alloc_percpu(unsigned int); - irq_settings_clr_and_set(desc, ~0, _IRQ_DEFAULT_INIT_FLAGS); - alloc_masks(desc + i, GFP_KERNEL, node); - desc_smp_init(desc + i, node); + alloc_masks(&desc[i], GFP_KERNEL, node); + raw_spin_lock_init(&desc[i].lock); lockdep_set_class(&desc[i].lock, &irq_desc_lock_class); + desc_set_defaults(i, &desc[i], node); } return arch_early_irq_init(); } @@ -346,6 +344,12 @@ irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node) if (!cnt) return -EINVAL; + if (irq >= 0) { + if (from > irq) + return -EINVAL; + from = irq; + } + mutex_lock(&sparse_irq_lock); start = bitmap_find_next_zero_area(allocated_irqs, IRQ_BITMAP_BITS, |