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, 1 insertions, 6 deletions

diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c
index b49cf8c2b91a..a0bb167980e7 100644
--- a/drivers/ide/legacy/macide.c
+++ b/drivers/ide/legacy/macide.c
@@ -92,7 +92,6 @@ static const char *mac_ide_name[] =
 static int __init macide_init(void)
 {
         ide_ack_intr_t *ack_intr;
-        struct ide_host *host;
         unsigned long base;
         int irq;
         hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
@@ -125,11 +124,7 @@ static int __init macide_init(void)
 
         macide_setup_ports(&hw, base, irq, ack_intr);
 
-        host = ide_host_alloc(NULL, hws);
-        if (host)
-                ide_host_register(host, NULL, hws);
-
-        return 0;
+        return ide_host_add(NULL, hws, NULL);
 }
 
 module_init(macide_init);