PNP: add pnp_resource_type() internal interface

Given a struct resource, this returns the type (IO, MEM, IRQ, DMA).

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>

diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index 6f60097..4c2a625 100644 (file)
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -46,6 +46,7 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res);
 void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc);
 
 void pnp_init_resource(struct resource *res);
+int pnp_resource_type(struct resource *res);
 
 struct pnp_resource *pnp_get_pnp_resource(struct pnp_dev *dev,
                                          unsigned int type, unsigned int num);

diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index 390b500..cce341f 100644 (file)
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -499,6 +499,12 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res)
 #endif
 }
 
+int pnp_resource_type(struct resource *res)
+{
+       return res->flags & (IORESOURCE_IO  | IORESOURCE_MEM |
+                            IORESOURCE_IRQ | IORESOURCE_DMA);
+}
+
 struct pnp_resource *pnp_get_pnp_resource(struct pnp_dev *dev,
                                          unsigned int type, unsigned int num)
 {