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PNP: make generic pnp_add_io_resource()

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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>
This commit is contained in:
Bjorn Helgaas
2008-04-28 16:34:36 -06:00
committed by Len Brown
parent dc16f5f2ed
commit cc8c2e3081
6 changed files with 59 additions and 59 deletions
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35
drivers/pnp/pnpacpi/rsparser.c
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@@ -158,33 +158,18 @@ static int dma_flags(int type, int bus_master, int transfer)
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,