From: Marc Zyngier <m...@kernel.org>
Some architectures want to provide the generic set_handle_irq() API, but
for structural reasons need to provide their own implementation. For
example, arm64 needs to do this to provide uniform set_handle_irq() and
set_handle_fiq() registration functions.
Make this possible by allowing architectures to provide their own
implementation of set_handle_irq when CONFIG_GENERIC_IRQ_MULTI_HANDLER
is not selected.
Signed-off-by: Marc Zyngier <m...@kernel.org>
[Mark: expand commit message]
Signed-off-by: Mark Rutland <mark.rutl...@arm.com>
Cc: Catalin Marinas <catalin.mari...@arm.com>
Cc: Hector Martin <mar...@marcan.st>
Cc: James Morse <james.mo...@arm.com>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Will Deacon <w...@kernel.org>
---
include/linux/irq.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 2efde6a79b7e..9890180b84fd 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -1258,11 +1258,13 @@ int __init set_handle_irq(void (*handle_irq)(struct
pt_regs *));
*/
extern void (*handle_arch_irq)(struct pt_regs *) __ro_after_init;
#else
+#ifndef set_handle_irq
#define set_handle_irq(handle_irq) \
do { \
(void)handle_irq; \
WARN_ON(1); \
} while (0)
#endif
+#endif
#endif /* _LINUX_IRQ_H */
--
2.11.0
