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authorBjorn Helgaas <bjorn.helgaas at hp.com>2009-06-05 18:37:23 +0400
committerEric Anholt <eric@anholt.net>2009-06-05 18:37:41 +0400
commit1b8e69662e1a086878bf930a6042daf7f8a076cc (patch)
tree20b9559e2ac41189c5c72ee7fab19ea781d97e3e /include/linux/pnp.h
parentb66d18ddb16603d1e1ec39cb2ff3abf3fd212180 (diff)
downloadlinux-1b8e69662e1a086878bf930a6042daf7f8a076cc.tar.xz
pnp: add PNP resource range checking function
Add a PNP resource range check function, indicating whether a resource has been assigned to any device. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> [apw@canonical.com: fixed up exports et al] Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'include/linux/pnp.h')
-rw-r--r--include/linux/pnp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index ca3c88773028..b063c7328ba5 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -446,6 +446,7 @@ int pnp_start_dev(struct pnp_dev *dev);
int pnp_stop_dev(struct pnp_dev *dev);
int pnp_activate_dev(struct pnp_dev *dev);
int pnp_disable_dev(struct pnp_dev *dev);
+int pnp_range_reserved(resource_size_t start, resource_size_t end);
/* protocol helpers */
int pnp_is_active(struct pnp_dev *dev);
@@ -476,6 +477,7 @@ static inline int pnp_start_dev(struct pnp_dev *dev) { return -ENODEV; }
static inline int pnp_stop_dev(struct pnp_dev *dev) { return -ENODEV; }
static inline int pnp_activate_dev(struct pnp_dev *dev) { return -ENODEV; }
static inline int pnp_disable_dev(struct pnp_dev *dev) { return -ENODEV; }
+static inline int pnp_range_reserved(resource_size_t start, resource_size_t end) { return 0;}
/* protocol helpers */
static inline int pnp_is_active(struct pnp_dev *dev) { return 0; }