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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-04-12 20:21:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-04-12 20:21:59 -0700 |
| commit | 6a022984c3feda8cc7d2d8c028b429715d0af531 (patch) | |
| tree | 62f00e615799204d3279887ae1bfe1a41c499052 /kernel | |
| parent | 54c63a75581f4b8d5d4b5660424f926510cfd98c (diff) | |
| parent | 325aa19598e410672175ed50982f902d4e3f31c5 (diff) | |
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Ingo Molnar:
"Two genirq fixes, plus an irqchip driver error handling fix"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Respect IRQCHIP_SKIP_SET_WAKE in irq_chip_set_wake_parent()
genirq: Initialize request_mutex if CONFIG_SPARSE_IRQ=n
irqchip/irq-ls1x: Missing error code in ls1x_intc_of_init()
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/chip.c | 4 | ||||
| -rw-r--r-- | kernel/irq/irqdesc.c | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 3faef4a77f71..51128bea3846 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -1449,6 +1449,10 @@ int irq_chip_set_vcpu_affinity_parent(struct irq_data *data, void *vcpu_info) int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on) { data = data->parent_data; + + if (data->chip->flags & IRQCHIP_SKIP_SET_WAKE) + return 0; + if (data->chip->irq_set_wake) return data->chip->irq_set_wake(data, on); diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 13539e12cd80..9f8a709337cf 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -558,6 +558,7 @@ int __init early_irq_init(void) alloc_masks(&desc[i], node); raw_spin_lock_init(&desc[i].lock); lockdep_set_class(&desc[i].lock, &irq_desc_lock_class); + mutex_init(&desc[i].request_mutex); desc_set_defaults(i, &desc[i], node, NULL, NULL); } return arch_early_irq_init(); |