From: Zhen Lei thunder.leizhen@huawei.com
[ Upstream commit ea0c80d1764449acf2f70fdb25aec33800cd0348 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- include/linux/irq.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/include/linux/irq.h b/include/linux/irq.h index 1b7f4dfee35b3..b167baef88c0b 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -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 */