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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-12 18:09:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-12 18:09:18 -0700
commit6b702462cbe5b6f372966a53f4465d745d86b65c (patch)
tree19a8d090b284bb804e8a2ffa38fa51b58118db6a /drivers/pnp
parent947ec0b0c1e7e80eef4fe64f7763a06d0cf04d2e (diff)
parent3c24475c1e4e8d10e50df161d8c4f1d382997a7c (diff)
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Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (50 commits) drm: include kernel list header file in hashtab header drm: Export hash table functionality. drm: Split out the mm declarations in a separate header. Add atomic operations. drm/radeon: add support for RV790. drm/radeon: add rv740 drm support. drm_calloc_large: check right size, check integer overflow, use GFP_ZERO drm: Eliminate magic I2C frobbing when reading EDID drm/i915: duplicate desired mode for use by fbcon. drm/via: vfree() no need checking before calling it drm: Replace DRM_DEBUG with DRM_DEBUG_DRIVER in i915 driver drm: Replace DRM_DEBUG with DRM_DEBUG_MODE in drm_mode drm/i915: Replace DRM_DEBUG with DRM_DEBUG_KMS in intel_sdvo drm/i915: replace DRM_DEBUG with DRM_DEBUG_KMS in intel_lvds drm: add separate drm debugging levels radeon: remove _DRM_DRIVER from the preadded sarea map drm: don't associate _DRM_DRIVER maps with a master drm: simplify kcalloc() call to kzalloc(). intelfb: fix spelling of "CLOCK" drm: fix LOCK_TEST_WITH_RETURN macro drm/i915: Hook connector to encoder during load detection (fixes tv/vga detect) ...
Diffstat (limited to 'drivers/pnp')
-rw-r--r--drivers/pnp/resource.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index f604061d2bb0..ba9765427886 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)
{