serial_txx9: Use UPF_FIXED_PORT

The UPF_FIXED_PORT flags was introduced in 2.6.22 and it can be used
instead of the driver specific verify_port routine.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 21 deletions

diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index be2ba06cc9..6846a6c38b 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -33,7 +33,7 @@
 
 #include <asm/io.h>
 
-static char *serial_version = "1.10";
+static char *serial_version = "1.11";
 static char *serial_name = "TX39/49 Serial driver";
 
 #define PASS_LIMIT      256
@@ -64,8 +64,6 @@ static char *serial_name = "TX39/49 Serial driver";
  */
 #define UART_NR  CONFIG_SERIAL_TXX9_NR_UARTS
 
-#define HIGH_BITS_OFFSET        ((sizeof(long)-sizeof(int))*8)
-
 struct uart_txx9_port {
         struct uart_port        port;
         /* No additional info for now */
@@ -752,21 +750,6 @@ static void serial_txx9_config_port(struct uart_port *port, int uflags)
         serial_txx9_initialize(port);
 }
 
-static int
-serial_txx9_verify_port(struct uart_port *port, struct serial_struct *ser)
-{
-        unsigned long new_port = ser->port;
-        if (HIGH_BITS_OFFSET)
-                new_port += (unsigned long)ser->port_high << HIGH_BITS_OFFSET;
-        if (ser->type != port->type ||
-            ser->irq != port->irq ||
-            ser->io_type != port->iotype ||
-            new_port != port->iobase ||
-            (unsigned long)ser->iomem_base != port->mapbase)
-                return -EINVAL;
-        return 0;
-}
-
 static const char *
 serial_txx9_type(struct uart_port *port)
 {
@@ -790,7 +773,6 @@ static struct uart_ops serial_txx9_pops = {
         .release_port   = serial_txx9_release_port,
         .request_port   = serial_txx9_request_port,
         .config_port    = serial_txx9_config_port,
-        .verify_port    = serial_txx9_verify_port,
 };
 
 static struct uart_txx9_port serial_txx9_ports[UART_NR];
@@ -946,7 +928,8 @@ int __init early_serial_txx9_setup(struct uart_port *port)
 
         serial_txx9_ports[port->line].port = *port;
         serial_txx9_ports[port->line].port.ops = &serial_txx9_pops;
-        serial_txx9_ports[port->line].port.flags |= UPF_BOOT_AUTOCONF;
+        serial_txx9_ports[port->line].port.flags |=
+                UPF_BOOT_AUTOCONF | UPF_FIXED_PORT;
         return 0;
 }
 
@@ -991,7 +974,8 @@ static int __devinit serial_txx9_register_port(struct uart_port *port)
                 uart->port.irq      = port->irq;
                 uart->port.uartclk  = port->uartclk;
                 uart->port.iotype   = port->iotype;
-                uart->port.flags    = port->flags | UPF_BOOT_AUTOCONF;
+                uart->port.flags    = port->flags
+                        | UPF_BOOT_AUTOCONF | UPF_FIXED_PORT;
                 uart->port.mapbase  = port->mapbase;
                 if (port->dev)
                         uart->port.dev = port->dev;