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PNP: add pnp_resource_type() internal interface

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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>
This commit is contained in:
Bjorn Helgaas 2008-06-27 16:56:54 -06:00 committed by Andi Kleen
parent 87e4acf3eb
commit 940e98dbc6
2 changed files with 7 additions and 0 deletions
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1
drivers/pnp/base.h
View File

@ -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);

6
drivers/pnp/resource.c
View File

@ -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)
{