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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rashika Kheria 2013-12-19 15:43:17 +05:30 committed by Greg Kroah-Hartman
parent ff4708e69a
commit 8f24c4905c

View file

@ -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);