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PNP: make generic pnp_add_mem_resource()

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Add a pnp_add_mem_resource() that can be used by all the PNP
backends.  This consolidates a little more pnp_resource_table
knowledge into one place.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bjorn Helgaas
2008-04-28 16:34:37 -06:00
committed by Len Brown
parent cc8c2e3081
commit d6180f3661
6 changed files with 56 additions and 60 deletions
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32
drivers/pnp/pnpacpi/rsparser.c
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@@ -173,34 +173,18 @@ static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start,
}
static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev,
u64 mem, u64 len,
u64 start, u64 len,
int write_protect)
{
struct resource *res;
int i;
static unsigned char warned;
int flags = 0;
u64 end = start + len - 1;
for (i = 0; i < PNP_MAX_MEM; i++) {
res = pnp_get_resource(dev, IORESOURCE_MEM, i);
if (!pnp_resource_valid(res))
break;
}
if (i < PNP_MAX_MEM) {
res->flags = IORESOURCE_MEM; // Also clears _UNSET flag
if (len <= 0) {
res->flags |= IORESOURCE_DISABLED;
return;
}
if (write_protect == ACPI_READ_WRITE_MEMORY)
res->flags |= IORESOURCE_MEM_WRITEABLE;
if (len == 0)
flags |= IORESOURCE_DISABLED;
if (write_protect == ACPI_READ_WRITE_MEMORY)
flags |= IORESOURCE_MEM_WRITEABLE;
res->start = mem;
res->end = mem + len - 1;
} else if (!warned) {
printk(KERN_WARNING "pnpacpi: exceeded the max number of mem "
"resources: %d\n", PNP_MAX_MEM);
warned = 1;
}
pnp_add_mem_resource(dev, start, end, flags);
}
static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,