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| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2008-04-29 00:34:36 +0200 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-04-29 09:22:29 +0200 |
| commit | cc8c2e308194f0997c718c7c735550ff06754d20 (patch) | |
| tree | 1464d278291fd285653ff026f62c5f4f6d75286c /drivers/pnp/resource.c | |
| parent | PNP: make generic pnp_add_dma_resource() (diff) | |
| download | linux-cc8c2e308194f0997c718c7c735550ff06754d20.tar.xz linux-cc8c2e308194f0997c718c7c735550ff06754d20.zip | |
PNP: make generic pnp_add_io_resource()
Add a pnp_add_io_resource() that can be used by all the PNP
backends. This consolidates a little more pnp_resource_table
knowledge into one place.
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 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index 2a8612e31ab7..64387b70026a 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -628,6 +628,35 @@ struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma, return pnp_res; } +struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev, + resource_size_t start, + resource_size_t end, int flags) +{ + struct pnp_resource *pnp_res; + struct resource *res; + static unsigned char warned; + + pnp_res = pnp_new_resource(dev, IORESOURCE_IO); + if (!pnp_res) { + if (!warned) { + dev_err(&dev->dev, "can't add resource for IO " + "%#llx-%#llx\n",(unsigned long long) start, + (unsigned long long) end); + warned = 1; + } + return NULL; + } + + res = &pnp_res->res; + res->flags = IORESOURCE_IO | flags; + res->start = start; + res->end = end; + + dev_dbg(&dev->dev, " add io %#llx-%#llx flags %#x\n", + (unsigned long long) start, (unsigned long long) end, flags); + return pnp_res; +} + /* format is: pnp_reserve_irq=irq1[,irq2] .... */ static int __init pnp_setup_reserve_irq(char *str) { |