return uart_set_options(port, co, baud, parity, bits, flow);
 }
 
-extern struct uart_driver serial21285_reg;
+static struct uart_driver serial21285_reg;
 
 static struct console serial21285_console =
 {
 
        return uart_set_options(port, co, baud, parity, bits, flow);
 }
 
-extern struct uart_driver amba_reg;
+static struct uart_driver amba_reg;
 static struct console amba_console = {
        .name           = "ttyAM",
        .write          = pl010_console_write,
 
        return uart_set_options(&uap->port, co, baud, parity, bits, flow);
 }
 
-extern struct uart_driver amba_reg;
+static struct uart_driver amba_reg;
 static struct console amba_console = {
        .name           = "ttyAMA",
        .write          = pl011_console_write,
 
        return uart_set_options(port, co, baud, parity, bits, flow);
 }
 
-extern struct uart_driver clps711x_reg;
+static struct uart_driver clps711x_reg;
 static struct console clps711x_console = {
        .name           = "ttyCL",
        .write          = clps711xuart_console_write,
 
 
 #ifdef CONFIG_SERIAL_PXA_CONSOLE
 
-extern struct uart_pxa_port serial_pxa_ports[];
-extern struct uart_driver serial_pxa_reg;
+static struct uart_pxa_port serial_pxa_ports[];
+static struct uart_driver serial_pxa_reg;
 
 #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
 
 
        return uart_set_options(&sport->port, co, baud, parity, bits, flow);
 }
 
-extern struct uart_driver sa1100_reg;
+static struct uart_driver sa1100_reg;
 static struct console sa1100_console = {
        .name           = "ttySA",
        .write          = sa1100_console_write,
 
        return uart_set_options (port, co, baud, parity, bits, flow);
 }
 
-extern struct uart_driver lh7a40x_reg;
+static struct uart_driver lh7a40x_reg;
 static struct console lh7a40x_console = {
        .name           = "ttyAM",
        .write          = lh7a40xuart_console_write,