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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-15 10:36:54 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-15 10:36:54 +1000 |
| commit | 7dafd239ab522d38979ebe44d79aa68ad7b1a383 (patch) | |
| tree | 04754a0c6495e57c1fe5f417fbfc99272d353c0e /drivers/pnp/resource.c | |
| parent | bc47ab0241c7c86da4f5e5f82fbca7d45387c18d (diff) | |
| parent | 45e3e1935e2857c54783291107d33323b3ef33c8 (diff) | |
Merge commit 'origin/master' into next
Diffstat (limited to 'drivers/pnp/resource.c')
| -rw-r--r-- | drivers/pnp/resource.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index f604061d2bb..ba976542788 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -638,6 +638,24 @@ int pnp_possible_config(struct pnp_dev *dev, int type, resource_size_t start, } EXPORT_SYMBOL(pnp_possible_config); +int pnp_range_reserved(resource_size_t start, resource_size_t end) +{ + struct pnp_dev *dev; + struct pnp_resource *pnp_res; + resource_size_t *dev_start, *dev_end; + + pnp_for_each_dev(dev) { + list_for_each_entry(pnp_res, &dev->resources, list) { + dev_start = &pnp_res->res.start; + dev_end = &pnp_res->res.end; + if (ranged_conflict(&start, &end, dev_start, dev_end)) + return 1; + } + } + return 0; +} +EXPORT_SYMBOL(pnp_range_reserved); + /* format is: pnp_reserve_irq=irq1[,irq2] .... */ static int __init pnp_setup_reserve_irq(char *str) { |