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-rw-r--r--libcpu/ppc/ppc405/serial.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libcpu/ppc/ppc405/serial.c b/libcpu/ppc/ppc405/serial.c
index f682796f6e..ac68a13748 100644
--- a/libcpu/ppc/ppc405/serial.c
+++ b/libcpu/ppc/ppc405/serial.c
@@ -94,7 +94,7 @@ static rt_err_t rt_serial_close(rt_device_t dev)
return RT_EOK;
}
-static rt_err_t rt_serial_control(rt_device_t dev, rt_uint8_t cmd, void *args)
+static rt_err_t rt_serial_control(rt_device_t dev, int cmd, void *args)
{
return RT_EOK;
}