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irqdomain: Make build work for CONFIG_GENERIC_IRQ_CHIP=n

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ld: kernel/irq/irqdomain.o: in function `irq_domain_instantiate':
kernel/irq/irqdomain.c:296:(.text+0x10dd): undefined reference to `irq_domain_alloc_generic_chips'
ld: kernel/irq/irqdomain.c:313:(.text+0x1218): undefined reference to `irq_domain_remove_generic_chips'
ld: kernel/irq/irqdomain.o: in function `irq_domain_remove':
kernel/irq/irqdomain.c:349:(.text+0x1ddf): undefined reference to `irq_domain_remove_generic_chips'

Provide the required stubs.

Fixes: e6f67ce32e ("irqdomain: Add support for generic irq chips creation before publishing a domain")
Reported-by: Borislav Betkov <bp@alien8.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2024-06-17 20:31:31 +02:00
parent 92584deade
commit 8cb2dbf94e
1 changed files with 10 additions and 0 deletions
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10
include/linux/irq.h
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@@ -1182,9 +1182,19 @@ int devm_irq_setup_generic_chip(struct device *dev, struct irq_chip_generic *gc,
struct irq_chip_generic *irq_get_domain_generic_chip(struct irq_domain *d, unsigned int hw_irq);
#ifdef CONFIG_GENERIC_IRQ_CHIP
int irq_domain_alloc_generic_chips(struct irq_domain *d,
const struct irq_domain_chip_generic_info *info);
void irq_domain_remove_generic_chips(struct irq_domain *d);
#else
static inline int
irq_domain_alloc_generic_chips(struct irq_domain *d,
const struct irq_domain_chip_generic_info *info)
{
return -EINVAL;
}
static inline void irq_domain_remove_generic_chips(struct irq_domain *d) { }
#endif /* CONFIG_GENERIC_IRQ_CHIP */
int __irq_alloc_domain_generic_chips(struct irq_domain *d, int irqs_per_chip,
int num_ct, const char *name,