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| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2008-04-28 16:34:37 -0600 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-04-29 03:22:29 -0400 |
| commit | d6180f36617953990bf90d4c1ff85b77e9995cd1 (patch) | |
| tree | a9fa336f7cb1f99a62c859926c6cbcfb53f5b81e /drivers/pnp/resource.c | |
| parent | cc8c2e308194f0997c718c7c735550ff06754d20 (diff) | |
| download | lwn-d6180f36617953990bf90d4c1ff85b77e9995cd1.tar.gz lwn-d6180f36617953990bf90d4c1ff85b77e9995cd1.zip | |
PNP: make generic pnp_add_mem_resource()
Add a pnp_add_mem_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 64387b70026a..2041620d5682 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -657,6 +657,35 @@ struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev, return pnp_res; } +struct pnp_resource *pnp_add_mem_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_MEM); + if (!pnp_res) { + if (!warned) { + dev_err(&dev->dev, "can't add resource for MEM " + "%#llx-%#llx\n",(unsigned long long) start, + (unsigned long long) end); + warned = 1; + } + return NULL; + } + + res = &pnp_res->res; + res->flags = IORESOURCE_MEM | flags; + res->start = start; + res->end = end; + + dev_dbg(&dev->dev, " add mem %#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) { |