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| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2008-06-27 16:56:54 -0600 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2008-07-16 23:27:05 +0200 |
| commit | 940e98dbc616f1df7b63b73858a966969baf261d (patch) | |
| tree | 23d8a266017d983abbb2737e6f674e69104d16ab /drivers/pnp | |
| parent | 87e4acf3ebc02c9d0a2f7a37b655c49176c4d765 (diff) | |
| download | lwn-940e98dbc616f1df7b63b73858a966969baf261d.tar.gz lwn-940e98dbc616f1df7b63b73858a966969baf261d.zip | |
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>
Diffstat (limited to 'drivers/pnp')
| -rw-r--r-- | drivers/pnp/base.h | 1 | ||||
| -rw-r--r-- | drivers/pnp/resource.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h index 6f60097c4212..4c2a62564994 100644 --- 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 390b50096e30..cce341f743d4 100644 --- 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) { |