[ARM] S3C: Update number of serial ports
Update the serial driver to handle the 4 ports of the
S3C2443 and S364XX series.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c
index ba2e868..ec873af 100644
--- a/drivers/serial/samsung.c
+++ b/drivers/serial/samsung.c
@@ -59,14 +59,6 @@
#define S3C24XX_SERIAL_MAJOR 204
#define S3C24XX_SERIAL_MINOR 64
-/* we can support 3 uarts, but not always use them */
-
-#if defined(CONFIG_CPU_S3C2400) || defined(CONFIG_CPU_S3C24A0)
-#define NR_PORTS (2)
-#else
-#define NR_PORTS (3)
-#endif
-
/* macros to change one thing to another */
#define tx_enabled(port) ((port)->unused[0])
@@ -839,7 +831,7 @@
.minor = S3C24XX_SERIAL_MINOR,
};
-static struct s3c24xx_uart_port s3c24xx_serial_ports[NR_PORTS] = {
+static struct s3c24xx_uart_port s3c24xx_serial_ports[CONFIG_SERIAL_SAMSUNG_UARTS] = {
[0] = {
.port = {
.lock = __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[0].port.lock),
@@ -864,7 +856,7 @@
.line = 1,
}
},
-#if NR_PORTS > 2
+#if CONFIG_SERIAL_SAMSUNG_UARTS > 2
[2] = {
.port = {
@@ -877,6 +869,20 @@
.flags = UPF_BOOT_AUTOCONF,
.line = 2,
}
+ },
+#endif
+#if CONFIG_SERIAL_SAMSUNG_UARTS > 3
+ [3] = {
+ .port = {
+ .lock = __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[3].port.lock),
+ .iotype = UPIO_MEM,
+ .irq = IRQ_S3CUART_RX3,
+ .uartclk = 0,
+ .fifosize = 16,
+ .ops = &s3c24xx_serial_ops,
+ .flags = UPF_BOOT_AUTOCONF,
+ .line = 3,
+ }
}
#endif
};
@@ -1324,7 +1330,7 @@
platdev_ptr = s3c24xx_uart_devs;
- for (i = 0; i < NR_PORTS; i++, ptr++, platdev_ptr++) {
+ for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++, ptr++, platdev_ptr++) {
s3c24xx_serial_init_port(ptr, info, *platdev_ptr);
}
@@ -1345,7 +1351,7 @@
/* is this a valid port */
- if (co->index == -1 || co->index >= NR_PORTS)
+ if (co->index == -1 || co->index >= CONFIG_SERIAL_SAMSUNG_UARTS)
co->index = 0;
port = &s3c24xx_serial_ports[co->index].port;