staging: ipack/devices/ipoctal: obtain model from dev->id_device.

By doing so we can remove ipoctal_check_model() and we also no longer need
to map the IPACK_ID_SPACE.

Signed-off-by: Jens Taprogge <jens.taprogge@taprogge.org>
Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/ipack/devices/ipoctal.c b/drivers/staging/ipack/devices/ipoctal.c
index dbe02fe05af0ae5c6a4ba74f3ca0fe05122c0cf5..e6d165457e10546095fa1b2bb76cdbee65ab4ae1 100644 (file)
--- a/drivers/staging/ipack/devices/ipoctal.c
+++ b/drivers/staging/ipack/devices/ipoctal.c
@@ -258,29 +258,6 @@ static irqreturn_t ipoctal_irq_handler(void *arg)
        return IRQ_HANDLED;
 }
 
-static int ipoctal_check_model(struct ipack_device *dev, unsigned char *id)
-{
-       unsigned char manufacturerID;
-       unsigned char board_id;
-
-
-       manufacturerID = ioread8(dev->id_space.address + IPACK_IDPROM_OFFSET_MANUFACTURER_ID);
-       if (manufacturerID != IPACK1_VENDOR_ID_SBS)
-               return -ENODEV;
-       board_id = ioread8(dev->id_space.address + IPACK_IDPROM_OFFSET_MODEL);
-       switch (board_id) {
-       case IPACK1_DEVICE_ID_SBS_OCTAL_232:
-       case IPACK1_DEVICE_ID_SBS_OCTAL_422:
-       case IPACK1_DEVICE_ID_SBS_OCTAL_485:
-               *id = board_id;
-               break;
-       default:
-               return -ENODEV;
-       }
-
-       return 0;
-}
-
 static const struct tty_port_operations ipoctal_tty_port_ops = {
        .dtr_rts = NULL,
        .activate = ipoctal_port_activate,
@@ -293,27 +270,11 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
        int i;
        struct tty_driver *tty;
        char name[20];
-       unsigned char board_id;
        struct ipoctal_channel *channel;
        union scc2698_channel __iomem *chan_regs;
        union scc2698_block __iomem *block_regs;
 
-       res = ipoctal->dev->bus->ops->map_space(ipoctal->dev, 0,
-                                               IPACK_ID_SPACE);
-       if (res) {
-               dev_err(&ipoctal->dev->dev,
-                       "Unable to map slot [%d:%d] ID space!\n",
-                       bus_nr, slot);
-               return res;
-       }
-
-       res = ipoctal_check_model(ipoctal->dev, &board_id);
-       if (res) {
-               ipoctal->dev->bus->ops->unmap_space(ipoctal->dev,
-                                                   IPACK_ID_SPACE);
-               goto out_unregister_id_space;
-       }
-       ipoctal->board_id = board_id;
+       ipoctal->board_id = ipoctal->dev->id_device;
 
        res = ipoctal->dev->bus->ops->map_space(ipoctal->dev, 0,
                                                IPACK_IO_SPACE);
@@ -321,7 +282,7 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
                dev_err(&ipoctal->dev->dev,
                        "Unable to map slot [%d:%d] IO space!\n",
                        bus_nr, slot);
-               goto out_unregister_id_space;
+               return res;
        }
 
        res = ipoctal->dev->bus->ops->map_space(ipoctal->dev, 0,
@@ -465,8 +426,6 @@ out_unregister_int_space:
        ipoctal->dev->bus->ops->unmap_space(ipoctal->dev, IPACK_INT_SPACE);
 out_unregister_io_space:
        ipoctal->dev->bus->ops->unmap_space(ipoctal->dev, IPACK_IO_SPACE);
-out_unregister_id_space:
-       ipoctal->dev->bus->ops->unmap_space(ipoctal->dev, IPACK_ID_SPACE);
        return res;
 }
 
@@ -748,7 +707,6 @@ static void __ipoctal_remove(struct ipoctal *ipoctal)
        ipoctal->dev->bus->ops->unmap_space(ipoctal->dev, IPACK_MEM_SPACE);
        ipoctal->dev->bus->ops->unmap_space(ipoctal->dev, IPACK_INT_SPACE);
        ipoctal->dev->bus->ops->unmap_space(ipoctal->dev, IPACK_IO_SPACE);
-       ipoctal->dev->bus->ops->unmap_space(ipoctal->dev, IPACK_ID_SPACE);
        kfree(ipoctal);
 }