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yaml
---
r: 70768
b: refs/heads/master
c: b933e19
h: refs/heads/master
v: v3
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Bjorn Helgaas authored and Linus Torvalds committed Oct 17, 2007
1 parent 31d510a commit dc386cc
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Showing 2 changed files with 17 additions and 14 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a05d0781695566296e74a3670dd5bbd3daf24ae2
refs/heads/master: b933e19d32edce2f310dfe0fd943e32ff9798b60
29 changes: 16 additions & 13 deletions trunk/drivers/pnp/system.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;

Expand All @@ -73,15 +76,15 @@ 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);
}

for (i = 0; i < PNP_MAX_MEM; i++) {
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);
}
}
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