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authorZhen Lei <thunder.leizhen@huawei.com>2020-09-24 15:17:49 +0800
committerMarc Zyngier <maz@kernel.org>2020-09-25 16:33:57 +0100
commitea0c80d1764449acf2f70fdb25aec33800cd0348 (patch)
tree04a8bfc4d8b1c2aedf02a53a1239f893d4944ea9
parentf4d51dffc6c01a9e94650d95ce0104964f8ae822 (diff)
genirq: Add stub for set_handle_irq() when !GENERIC_IRQ_MULTI_HANDLER
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
-rw-r--r--include/linux/irq.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 1b7f4dfee35b..b167baef88c0 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 */