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-rw-r--r--drivers/serial/8250.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/serial/8250.h b/drivers/serial/8250.h
index 91bd28f..a10a40c 100644
--- a/drivers/serial/8250.h
+++ b/drivers/serial/8250.h
@@ -78,3 +78,8 @@ struct serial8250_config {
#else
#define ALPHA_KLUDGE_MCR 0
#endif
+
+#ifndef SERIAL_EXTRA_IRQ_FLAGS
+#define SERIAL_EXTRA_IRQ_FLAGS 0
+#endif
+