ALSA: sound/usb: add preliminary support for UAC2 interrupts

[safe/jmp/linux-2.6] / include / linux / of.h

diff --git a/include/linux/of.h b/include/linux/of.h
index 5c7b6a6..a367e19 100644 (file)
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -19,9 +19,12 @@
 #include <linux/bitops.h>
 #include <linux/kref.h>
 #include <linux/mod_devicetable.h>
+#include <linux/spinlock.h>
 
 #include <asm/byteorder.h>
 
+#ifdef CONFIG_OF
+
 typedef u32 phandle;
 typedef u32 ihandle;
 
@@ -64,6 +67,8 @@ struct device_node {
 
 /* Pointer for first entry in chain of all nodes. */
 extern struct device_node *allnodes;
+extern struct device_node *of_chosen;
+extern rwlock_t devtree_lock;
 
 static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
 {
@@ -114,6 +119,19 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size)
 
 #include <asm/prom.h>
 
+/* Default #address and #size cells.  Allow arch asm/prom.h to override */
+#if !defined(OF_ROOT_NODE_ADDR_CELLS_DEFAULT)
+#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
+#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
+#endif
+
+/* Default string compare functions, Allow arch asm/prom.h to override */
+#if !defined(of_compat_cmp)
+#define of_compat_cmp(s1, s2, l)       strcasecmp((s1), (s2))
+#define of_prop_cmp(s1, s2)            strcmp((s1), (s2))
+#define of_node_cmp(s1, s2)            strcasecmp((s1), (s2))
+#endif
+
 /* flag descriptions */
 #define OF_DYNAMIC     1 /* node and properties were allocated via kmalloc */
 #define OF_DETACHED    2 /* node has been detached from the device tree */
@@ -194,4 +212,5 @@ extern void of_attach_node(struct device_node *);
 extern void of_detach_node(struct device_node *);
 #endif
 
+#endif /* CONFIG_OF */
 #endif /* _LINUX_OF_H */