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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-04-28 16:34:37 -0600
committerLen Brown <len.brown@intel.com>2008-04-29 03:22:29 -0400
commitd6180f36617953990bf90d4c1ff85b77e9995cd1 (patch)
treea9fa336f7cb1f99a62c859926c6cbcfb53f5b81e /drivers/pnp/pnpacpi/rsparser.c
parentcc8c2e308194f0997c718c7c735550ff06754d20 (diff)
downloadlinux-linaro-stable-d6180f36617953990bf90d4c1ff85b77e9995cd1.tar.gz
PNP: make generic pnp_add_mem_resource()
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>
Diffstat (limited to 'drivers/pnp/pnpacpi/rsparser.c')
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c34
1 files changed, 9 insertions, 25 deletions
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index d3ca8e035c19..a512908bf4e3 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -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;
-
- 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;
- }
+ if (len == 0)
+ flags |= IORESOURCE_DISABLED;
+ if (write_protect == ACPI_READ_WRITE_MEMORY)
+ flags |= IORESOURCE_MEM_WRITEABLE;
+
+ pnp_add_mem_resource(dev, start, end, flags);
}
static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,