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    Subject[PATCH 6/7] drivers: usb: Mark function as static in metro-usb.c
    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@gmail.com>
    Reviewed-by: Josh Triplett <josh@joshtriplett.org>
    ---
    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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