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ANDROID: GKI: bring back irq_create_mapping()

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Upstream commit bb4c6910c8b4 ("genirq/irqdomain: Add an
irq_create_mapping_affinity() function") ended up removing the
irq_create_mapping() function and replacing it with an inline function.
That's fine, except that this function was one of our "must support" api
calls, so put it back as an exported function to preserve the ABI.

Bug: 161946584
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ibb1c480c0ba4eb8b3d6c71cabf83467ee2d1f12b
This commit is contained in:
Greg Kroah-Hartman 2020-12-12 13:59:12 +01:00
commit d95c7807b5
2 changed files with 7 additions and 7 deletions
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8
include/linux/irqdomain.h
View file

@ -392,16 +392,10 @@ extern void irq_domain_disassociate(struct irq_domain *domain,
extern unsigned int irq_create_mapping_affinity(struct irq_domain *host,
irq_hw_number_t hwirq,
const struct irq_affinity_desc *affinity);
unsigned int irq_create_mapping(struct irq_domain *host, irq_hw_number_t hwirq);
extern unsigned int irq_create_fwspec_mapping(struct irq_fwspec *fwspec);
extern void irq_dispose_mapping(unsigned int virq);
static inline unsigned int irq_create_mapping(struct irq_domain *host,
irq_hw_number_t hwirq)
{
return irq_create_mapping_affinity(host, hwirq, NULL);
}
/**
* irq_linear_revmap() - Find a linux irq from a hw irq number.
* @domain: domain owning this hardware interrupt

6
kernel/irq/irqdomain.c
View file

@ -696,6 +696,12 @@ unsigned int irq_create_mapping_affinity(struct irq_domain *domain,
}
EXPORT_SYMBOL_GPL(irq_create_mapping_affinity);
unsigned int irq_create_mapping(struct irq_domain *host, irq_hw_number_t hwirq)
{
return irq_create_mapping_affinity(host, hwirq, NULL);
}
EXPORT_SYMBOL_GPL(irq_create_mapping);
/**
* irq_create_strict_mappings() - Map a range of hw irqs to fixed linux irqs
* @domain: domain owning the interrupt range