PNP: make generic pnp_add_io_resource()
Add a pnp_add_io_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>
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index fc7cf73..d3ca8e0 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -158,33 +158,18 @@
return flags;
}
-static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev,
- u64 io, u64 len, int io_decode)
+static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start,
+ u64 len, int io_decode)
{
- struct resource *res;
- int i;
- static unsigned char warned;
+ int flags = 0;
+ u64 end = start + len - 1;
- for (i = 0; i < PNP_MAX_PORT; i++) {
- res = pnp_get_resource(dev, IORESOURCE_IO, i);
- if (!pnp_resource_valid(res))
- break;
- }
- if (i < PNP_MAX_PORT) {
- res->flags = IORESOURCE_IO; // Also clears _UNSET flag
- if (io_decode == ACPI_DECODE_16)
- res->flags |= PNP_PORT_FLAG_16BITADDR;
- if (len <= 0 || (io + len - 1) >= 0x10003) {
- res->flags |= IORESOURCE_DISABLED;
- return;
- }
- res->start = io;
- res->end = io + len - 1;
- } else if (!warned) {
- printk(KERN_WARNING "pnpacpi: exceeded the max number of IO "
- "resources: %d \n", PNP_MAX_PORT);
- warned = 1;
- }
+ if (io_decode == ACPI_DECODE_16)
+ flags |= PNP_PORT_FLAG_16BITADDR;
+ if (len == 0 || end >= 0x10003)
+ flags |= IORESOURCE_DISABLED;
+
+ pnp_add_io_resource(dev, start, end, flags);
}
static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev,