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genirq: Add stub for set_handle_irq() when !GENERIC_IRQ_MULTI_HANDLER

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In order to avoid compilation errors when a driver references set_handle_irq(),
but that the architecture doesn't select GENERIC_IRQ_MULTI_HANDLER,
add a stub function that will just WARN_ON_ONCE() if ever used.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
[maz: commit message]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200924071754.4509-2-thunder.leizhen@huawei.com
This commit is contained in:
Zhen Lei 2020-09-24 15:17:49 +08:00 committed by Marc Zyngier
parent f4d51dffc6
commit ea0c80d176
1 changed files with 6 additions and 0 deletions
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6
include/linux/irq.h
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@ -1252,6 +1252,12 @@ int __init set_handle_irq(void (*handle_irq)(struct pt_regs *));
* top-level IRQ handler.
*/
extern void (*handle_arch_irq)(struct pt_regs *) __ro_after_init;
#else
#define set_handle_irq(handle_irq) \
do { \
(void)handle_irq; \
WARN_ON(1); \
} while (0)
#endif
#endif /* _LINUX_IRQ_H */