ide: add ide_host_add() helper

Add ide_host_add() helper which does ide_host_alloc()+ide_host_register(),
then convert ide_setup_pci_device[s](), ide_legacy_device_add() and some
host drivers to use it.

While at it:

* Fix ide_setup_pci_device[s](), ide_arm.c, gayle.c, ide-4drives.c,
  macide.c, q40ide.c, cmd640.c and cs5520.c to return correct error value.

* -ENOENT -> -ENOMEM in rapide.c, ide-h8300.c, ide-generic.c, au1xxx-ide.c
  and pmac.c

* -ENODEV -> -ENOMEM in palm_bk3710.c, ide_platform.c and delkin_cb.c

* -1 -> -ENOMEM in ide-pnp.c

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 3 insertions, 5 deletions

diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c
index 5eb9d9325184..f84bfb4f600f 100644
--- a/drivers/ide/pci/delkin_cb.c
+++ b/drivers/ide/pci/delkin_cb.c
@@ -86,12 +86,10 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
         hw.dev = &dev->dev;
         hw.chipset = ide_pci;           /* this enables IRQ sharing */
 
-        host = ide_host_alloc(&delkin_cb_port_info, hws);
-        if (host == NULL)
+        rc = ide_host_add(&delkin_cb_port_info, hws, &host);
+        if (rc)
                 goto out_disable;
 
-        ide_host_register(host, &delkin_cb_port_info, hws);
-
         pci_set_drvdata(dev, host);
 
         return 0;
@@ -99,7 +97,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
 out_disable:
         pci_release_regions(dev);
         pci_disable_device(dev);
-        return -ENODEV;
+        return rc;
 }
 
 static void