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| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2010-03-05 18:47:57 +0100 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2010-03-15 01:08:38 +0100 |
| commit | 7e0e9c042790d4ea44c6a00ddaad8b8bbcc3f17f (patch) | |
| tree | b0caf1f008ae1f2f2f32bfecfaba7c8ba9986c6f /drivers/pnp/resource.c | |
| parent | PNPACPI: add window support (diff) | |
| download | linux-7e0e9c042790d4ea44c6a00ddaad8b8bbcc3f17f.tar.xz linux-7e0e9c042790d4ea44c6a00ddaad8b8bbcc3f17f.zip | |
PNPACPI: add bus number support
Add support for bus number resources. This is for bridges with a range of
bus numbers behind them. Previously, PNP ignored bus number resources.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/pnp/resource.c')
| -rw-r--r-- | drivers/pnp/resource.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index 64d0596bafb5..5b277dbaacde 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -470,7 +470,8 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res) unsigned long pnp_resource_type(struct resource *res) { return res->flags & (IORESOURCE_IO | IORESOURCE_MEM | - IORESOURCE_IRQ | IORESOURCE_DMA); + IORESOURCE_IRQ | IORESOURCE_DMA | + IORESOURCE_BUS); } struct resource *pnp_get_resource(struct pnp_dev *dev, @@ -590,6 +591,30 @@ struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev, return pnp_res; } +struct pnp_resource *pnp_add_bus_resource(struct pnp_dev *dev, + resource_size_t start, + resource_size_t end) +{ + struct pnp_resource *pnp_res; + struct resource *res; + + pnp_res = pnp_new_resource(dev); + if (!pnp_res) { + dev_err(&dev->dev, "can't add resource for BUS %#llx-%#llx\n", + (unsigned long long) start, + (unsigned long long) end); + return NULL; + } + + res = &pnp_res->res; + res->flags = IORESOURCE_BUS; + res->start = start; + res->end = end; + + pnp_dbg(&dev->dev, " add %pr\n", res); + return pnp_res; +} + /* * Determine whether the specified resource is a possible configuration * for this device. |