diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-02 14:56:51 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-02 14:56:51 +0100 |
| commit | 8c9076b07c99c2a37a96b9f5265e4def47823c86 (patch) | |
| tree | 368e59df54d7b7ea02d8a626ac85e751883f6836 /kernel/irq/generic-chip.c | |
| parent | 59e73854b5fd1213fe90ae993d98c759786c3712 (diff) | |
| parent | 30a7acd573899fd8b8ac39236eff6468b195ac7d (diff) | |
Merge 4.15-rc6 into driver-core-next
We want the fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/irq/generic-chip.c')
| -rw-r--r-- | kernel/irq/generic-chip.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c index c26c5bb6b491..508c03dfef25 100644 --- a/kernel/irq/generic-chip.c +++ b/kernel/irq/generic-chip.c @@ -364,10 +364,11 @@ irq_get_domain_generic_chip(struct irq_domain *d, unsigned int hw_irq) EXPORT_SYMBOL_GPL(irq_get_domain_generic_chip); /* - * Separate lockdep class for interrupt chip which can nest irq_desc - * lock. + * Separate lockdep classes for interrupt chip which can nest irq_desc + * lock and request mutex. */ static struct lock_class_key irq_nested_lock_class; +static struct lock_class_key irq_nested_request_class; /* * irq_map_generic_chip - Map a generic chip for an irq domain @@ -409,7 +410,8 @@ int irq_map_generic_chip(struct irq_domain *d, unsigned int virq, set_bit(idx, &gc->installed); if (dgc->gc_flags & IRQ_GC_INIT_NESTED_LOCK) - irq_set_lockdep_class(virq, &irq_nested_lock_class); + irq_set_lockdep_class(virq, &irq_nested_lock_class, + &irq_nested_request_class); if (chip->irq_calc_mask) chip->irq_calc_mask(data); @@ -479,7 +481,8 @@ void irq_setup_generic_chip(struct irq_chip_generic *gc, u32 msk, continue; if (flags & IRQ_GC_INIT_NESTED_LOCK) - irq_set_lockdep_class(i, &irq_nested_lock_class); + irq_set_lockdep_class(i, &irq_nested_lock_class, + &irq_nested_request_class); if (!(flags & IRQ_GC_NO_MASK)) { struct irq_data *d = irq_get_irq_data(i); |