diff options
Diffstat (limited to 'drivers/pnp')
| -rw-r--r-- | drivers/pnp/system.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/pnp/system.c b/drivers/pnp/system.c index a06f980b3ac..55c4563986b 100644 --- a/drivers/pnp/system.c +++ b/drivers/pnp/system.c @@ -22,36 +22,39 @@ static const struct pnp_device_id pnp_dev_table[] = { {"", 0} }; -static void reserve_range(const char *pnpid, resource_size_t start, +static void reserve_range(struct pnp_dev *dev, resource_size_t start, resource_size_t end, int port) { - struct resource *res; char *regionid; + const char *pnpid = dev->dev.bus_id; + struct resource *res; regionid = kmalloc(16, GFP_KERNEL); - if (regionid == NULL) + if (!regionid) return; + snprintf(regionid, 16, "pnp %s", pnpid); if (port) res = request_region(start, end - start + 1, regionid); else res = request_mem_region(start, end - start + 1, regionid); - if (res == NULL) - kfree(regionid); - else + if (res) res->flags &= ~IORESOURCE_BUSY; + else + kfree(regionid); + /* * Failures at this point are usually harmless. pci quirks for * example do reserve stuff they know about too, so we may well * have double reservations. */ - printk(KERN_INFO "pnp: %s: %s range 0x%llx-0x%llx %s reserved\n", - pnpid, port ? "ioport" : "iomem", - (unsigned long long)start, (unsigned long long)end, - NULL != res ? "has been" : "could not be"); + dev_info(&dev->dev, "%s range 0x%llx-0x%llx %s reserved\n", + port ? "ioport" : "iomem", + (unsigned long long) start, (unsigned long long) end, + res ? "has been" : "could not be"); } -static void reserve_resources_of_dev(const struct pnp_dev *dev) +static void reserve_resources_of_dev(struct pnp_dev *dev) { int i; @@ -73,7 +76,7 @@ static void reserve_resources_of_dev(const struct pnp_dev *dev) if (pnp_port_end(dev, i) < pnp_port_start(dev, i)) continue; /* invalid */ - reserve_range(dev->dev.bus_id, pnp_port_start(dev, i), + reserve_range(dev, pnp_port_start(dev, i), pnp_port_end(dev, i), 1); } @@ -81,7 +84,7 @@ static void reserve_resources_of_dev(const struct pnp_dev *dev) if (!pnp_mem_valid(dev, i)) continue; - reserve_range(dev->dev.bus_id, pnp_mem_start(dev, i), + reserve_range(dev, pnp_mem_start(dev, i), pnp_mem_end(dev, i), 0); } } |