Merge branch 'drm-reorg' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...

[pandora-kernel.git] / include / linux / eisa.h

diff --git a/include/linux/eisa.h b/include/linux/eisa.h
index 1ff7c13..fe806b6 100644 (file)
--- a/include/linux/eisa.h
+++ b/include/linux/eisa.h
@@ -61,10 +61,20 @@ struct eisa_driver {
 
 #define to_eisa_driver(drv) container_of(drv,struct eisa_driver, driver)
 
+/* These external functions are only available when EISA support is enabled. */
+#ifdef CONFIG_EISA
+
 extern struct bus_type eisa_bus_type;
 int eisa_driver_register (struct eisa_driver *edrv);
 void eisa_driver_unregister (struct eisa_driver *edrv);
 
+#else /* !CONFIG_EISA */
+
+static inline int eisa_driver_register (struct eisa_driver *edrv) { return 0; }
+static inline void eisa_driver_unregister (struct eisa_driver *edrv) { }
+
+#endif /* !CONFIG_EISA */
+
 /* Mimics pci.h... */
 static inline void *eisa_get_drvdata (struct eisa_device *edev)
 {