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-rw-r--r--c/src/libchip/serial/ns16550.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/c/src/libchip/serial/ns16550.c b/c/src/libchip/serial/ns16550.c
index 801533b631..12d220cdc6 100644
--- a/c/src/libchip/serial/ns16550.c
+++ b/c/src/libchip/serial/ns16550.c
@@ -136,8 +136,7 @@ NS16550_STATIC int ns16550_set_attributes(
NS16550_STATIC void ns16550_isr(void *arg);
#endif
-static rtems_interrupt_lock ns16550_lock =
- RTEMS_INTERRUPT_LOCK_INITIALIZER("NS16550");
+RTEMS_INTERRUPT_LOCK_DEFINE(static, ns16550_lock, "NS16550")
/*
* Flow control is only supported when using interrupts