PNP: add pnp_possible_config() -- can a device could be configured this way?

[linux-2.6-omap-h63xx.git] / drivers / serial / 8250_pnp.c

diff --git a/drivers/serial/8250_pnp.c b/drivers/serial/8250_pnp.c
index 97c68d021d28bcb3ecd1cae57846cdac3fdaed7e..638b68649e791a4e4d94ebef601e6714e1dd18bb 100644 (file)
--- a/drivers/serial/8250_pnp.c
+++ b/drivers/serial/8250_pnp.c
@@ -383,21 +383,14 @@ static int __devinit check_name(char *name)
        return 0;
 }
 
-static int __devinit check_resources(struct pnp_option *option)
+static int __devinit check_resources(struct pnp_dev *dev)
 {
-       struct pnp_option *tmp;
-       if (!option)
-               return 0;
+       resource_size_t base[] = {0x2f8, 0x3f8, 0x2e8, 0x3e8};
+       int i;
 
-       for (tmp = option; tmp; tmp = tmp->next) {
-               struct pnp_port *port;
-               for (port = tmp->port; port; port = port->next)
-                       if ((port->size == 8) &&
-                           ((port->min == 0x2f8) ||
-                            (port->min == 0x3f8) ||
-                            (port->min == 0x2e8) ||
-                            (port->min == 0x3e8)))
-                               return 1;
+       for (i = 0; i < ARRAY_SIZE(base); i++) {
+               if (pnp_possible_config(dev, IORESOURCE_IO, base[i], 8))
+                       return 1;
        }
 
        return 0;
@@ -420,10 +413,7 @@ static int __devinit serial_pnp_guess_board(struct pnp_dev *dev, int *flags)
                (dev->card && check_name(dev->card->name))))
                        return -ENODEV;
 
-       if (check_resources(dev->independent))
-               return 0;
-
-       if (check_resources(dev->dependent))
+       if (check_resources(dev))
                return 0;
 
        return -ENODEV;