[ARM] 2907/1: GCC 4 serial driver compile fixes

Patch from Vincent Sanders

When building the ARM platforms several serial drivers fail to compile
with GCC 4.01 due to extern/static ambiguity.

Signed-off-by: Vincent Sanders <vince@arm.linux.org.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index aec39fb..b5cf394 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -463,7 +463,7 @@
 	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 =
 {
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 978e124..679e678 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -689,7 +689,7 @@
 	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,
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 5607130..1ff629c 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -701,7 +701,7 @@
 	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,
diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c
index d822896..78c1f36 100644
--- a/drivers/serial/clps711x.c
+++ b/drivers/serial/clps711x.c
@@ -525,7 +525,7 @@
 	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,
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index eaa0af8..672b359 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -589,8 +589,8 @@
 
 #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)
 
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index 1225b14..dd8aed2 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -799,7 +799,7 @@
 	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,
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index 8302376..d01dbe5 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -632,7 +632,7 @@
 	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,