diff options
Diffstat (limited to 'drivers/macintosh/via-cuda.c')
| -rw-r--r-- | drivers/macintosh/via-cuda.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/drivers/macintosh/via-cuda.c b/drivers/macintosh/via-cuda.c index d843a6c9c6df..18ff770ea668 100644 --- a/drivers/macintosh/via-cuda.c +++ b/drivers/macintosh/via-cuda.c @@ -127,39 +127,34 @@ struct adb_driver via_cuda_driver = { #endif /* CONFIG_ADB */ #ifdef CONFIG_PPC -int __init -find_via_cuda(void) +int __init find_via_cuda(void) { - int err; struct adb_request req; + phys_addr_t taddr; + u32 *reg; + int err; if (vias != 0) return 1; - vias = find_devices("via-cuda"); + vias = of_find_node_by_name(NULL, "via-cuda"); if (vias == 0) return 0; - if (vias->next != 0) - printk(KERN_WARNING "Warning: only using 1st via-cuda\n"); - -#if 0 - { int i; - - printk("find_via_cuda: node = %p, addrs =", vias->node); - for (i = 0; i < vias->n_addrs; ++i) - printk(" %x(%x)", vias->addrs[i].address, vias->addrs[i].size); - printk(", intrs ="); - for (i = 0; i < vias->n_intrs; ++i) - printk(" %x", vias->intrs[i].line); - printk("\n"); } -#endif - if (vias->n_addrs != 1 || vias->n_intrs != 1) { - printk(KERN_ERR "via-cuda: expecting 1 address (%d) and 1 interrupt (%d)\n", - vias->n_addrs, vias->n_intrs); - if (vias->n_addrs < 1 || vias->n_intrs < 1) - return 0; + reg = (u32 *)get_property(vias, "reg", NULL); + if (reg == NULL) { + printk(KERN_ERR "via-cuda: No \"reg\" property !\n"); + goto fail; + } + taddr = of_translate_address(vias, reg); + if (taddr == 0) { + printk(KERN_ERR "via-cuda: Can't translate address !\n"); + goto fail; + } + via = ioremap(taddr, 0x2000); + if (via == NULL) { + printk(KERN_ERR "via-cuda: Can't map address !\n"); + goto fail; } - via = ioremap(vias->addrs->address, 0x2000); cuda_state = idle; sys_ctrler = SYS_CTRLER_CUDA; @@ -185,6 +180,11 @@ find_via_cuda(void) cuda_poll(); return 1; + + fail: + of_node_put(vias); + vias = NULL; + return 0; } #endif /* CONFIG_PPC */ |