Mark function metrousb_is_unidirectional_mode() in serial/metro-usb.c
because it is not used outside this file.
This eliminates the following warning in serial/metro-usb.c:
drivers/usb/serial/metro-usb.c:57:12: warning: no previous prototype for ‘metrousb_is_unidirectional_mode’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@xxxxxxxxx>
Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
---
drivers/usb/serial/metro-usb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c
index 40ccf6e..2b648c4 100644
--- a/drivers/usb/serial/metro-usb.c
+++ b/drivers/usb/serial/metro-usb.c
@@ -54,7 +54,7 @@ MODULE_DEVICE_TABLE(usb, id_table);
#define UNI_CMD_OPEN 0x80
#define UNI_CMD_CLOSE 0xFF
-inline int metrousb_is_unidirectional_mode(struct usb_serial_port *port)
+static inline int metrousb_is_unidirectional_mode(struct usb_serial_port *port)
{
__u16 product_id = le16_to_cpu(
port->serial->dev->descriptor.idProduct);
--
1.7.9.5
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