X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fpnp%2Fcore.c;h=20771b7d4482562d18536aca252f9e870b08f907;hb=773212337941c5e26a05989532943877d72a2c83;hp=d5964feb14de56d5c1dc5b7c9c1df1e8f9f447d0;hpb=6ae26fa468533c86aaa6936fd366142fcf01386f;p=linux-2.6 diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c index d5964feb14..20771b7d44 100644 --- a/drivers/pnp/core.c +++ b/drivers/pnp/core.c @@ -106,18 +106,53 @@ static void pnp_release_device(struct device *dmdev) pnp_free_option(dev->independent); pnp_free_option(dev->dependent); pnp_free_ids(dev); + kfree(dev->res); kfree(dev); } -int __pnp_add_device(struct pnp_dev *dev) +struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *protocol, int id, char *pnpid) { - int ret; + struct pnp_dev *dev; + struct pnp_id *dev_id; - pnp_fixup_device(dev); + dev = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL); + if (!dev) + return NULL; + + dev->res = kzalloc(sizeof(struct pnp_resource_table), GFP_KERNEL); + if (!dev->res) { + kfree(dev); + return NULL; + } + + dev->protocol = protocol; + dev->number = id; + dev->dma_mask = DMA_24BIT_MASK; + + dev->dev.parent = &dev->protocol->dev; dev->dev.bus = &pnp_bus_type; dev->dev.dma_mask = &dev->dma_mask; - dev->dma_mask = dev->dev.coherent_dma_mask = DMA_24BIT_MASK; + dev->dev.coherent_dma_mask = dev->dma_mask; dev->dev.release = &pnp_release_device; + + sprintf(dev->dev.bus_id, "%02x:%02x", dev->protocol->number, + dev->number); + + dev_id = pnp_add_id(dev, pnpid); + if (!dev_id) { + kfree(dev->res); + kfree(dev); + return NULL; + } + + return dev; +} + +int __pnp_add_device(struct pnp_dev *dev) +{ + int ret; + + pnp_fixup_device(dev); dev->status = PNP_READY; spin_lock(&pnp_lock); list_add_tail(&dev->global_list, &pnp_global); @@ -125,9 +160,11 @@ int __pnp_add_device(struct pnp_dev *dev) spin_unlock(&pnp_lock); ret = device_register(&dev->dev); - if (ret == 0) - pnp_interface_attach_device(dev); - return ret; + if (ret) + return ret; + + pnp_interface_attach_device(dev); + return 0; } /* @@ -138,12 +175,27 @@ int __pnp_add_device(struct pnp_dev *dev) */ int pnp_add_device(struct pnp_dev *dev) { + int ret; + if (dev->card) return -EINVAL; - dev->dev.parent = &dev->protocol->dev; - sprintf(dev->dev.bus_id, "%02x:%02x", dev->protocol->number, - dev->number); - return __pnp_add_device(dev); + + ret = __pnp_add_device(dev); + if (ret) + return ret; + +#ifdef CONFIG_PNP_DEBUG + { + struct pnp_id *id; + + dev_printk(KERN_DEBUG, &dev->dev, "%s device, IDs", + dev->protocol->name); + for (id = dev->id; id; id = id->next) + printk(" %s", id->id); + printk(" (%s)\n", dev->active ? "active" : "disabled"); + } +#endif + return 0; } void __pnp_remove_device(struct pnp_dev *dev)