diff options
Diffstat (limited to 'drivers/macintosh/macio-adb.c')
| -rw-r--r-- | drivers/macintosh/macio-adb.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c index 779f126828..19c63959eb 100644 --- a/drivers/macintosh/macio-adb.c +++ b/drivers/macintosh/macio-adb.c @@ -83,35 +83,32 @@ struct adb_driver macio_adb_driver = { int macio_probe(void) { - struct device_node *np; + struct device_node *np __free(device_node) = + of_find_compatible_node(NULL, "adb", "chrp,adb0"); - np = of_find_compatible_node(NULL, "adb", "chrp,adb0"); - if (np) { - of_node_put(np); + if (np) return 0; - } + return -ENODEV; } int macio_init(void) { - struct device_node *adbs; + struct device_node *adbs __free(device_node) = + of_find_compatible_node(NULL, "adb", "chrp,adb0"); struct resource r; unsigned int irq; - adbs = of_find_compatible_node(NULL, "adb", "chrp,adb0"); if (!adbs) return -ENXIO; - if (of_address_to_resource(adbs, 0, &r)) { - of_node_put(adbs); + if (of_address_to_resource(adbs, 0, &r)) return -ENXIO; - } + adb = ioremap(r.start, sizeof(struct adb_regs)); - if (!adb) { - of_node_put(adbs); + if (!adb) return -ENOMEM; - } + out_8(&adb->ctrl.r, 0); out_8(&adb->intr.r, 0); @@ -121,7 +118,6 @@ int macio_init(void) out_8(&adb->autopoll.r, APE); irq = irq_of_parse_and_map(adbs, 0); - of_node_put(adbs); if (request_irq(irq, macio_adb_interrupt, 0, "ADB", (void *)0)) { iounmap(adb); printk(KERN_ERR "ADB: can't get irq %d\n", irq); |