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Diffstat (limited to 'drivers/pnp')
-rw-r--r--drivers/pnp/system.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/pnp/system.c b/drivers/pnp/system.c
index a06f980b3ac9..55c4563986b3 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);
}
}