Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6

[pandora-kernel.git] / drivers / pnp / resource.c

diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index f604061..ba97654 100644 (file)
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -638,6 +638,24 @@ int pnp_possible_config(struct pnp_dev *dev, int type, resource_size_t start,
 }
 EXPORT_SYMBOL(pnp_possible_config);
 
+int pnp_range_reserved(resource_size_t start, resource_size_t end)
+{
+       struct pnp_dev *dev;
+       struct pnp_resource *pnp_res;
+       resource_size_t *dev_start, *dev_end;
+
+       pnp_for_each_dev(dev) {
+               list_for_each_entry(pnp_res, &dev->resources, list) {
+                       dev_start = &pnp_res->res.start;
+                       dev_end   = &pnp_res->res.end;
+                       if (ranged_conflict(&start, &end, dev_start, dev_end))
+                               return 1;
+               }
+       }
+       return 0;
+}
+EXPORT_SYMBOL(pnp_range_reserved);
+
 /* format is: pnp_reserve_irq=irq1[,irq2] .... */
 static int __init pnp_setup_reserve_irq(char *str)
 {