--- zzzz-none-000/linux-2.4.17/include/asm-mips64/spinlock.h	2000-11-29 05:42:04.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/include/asm-mips64/spinlock.h	2004-11-24 13:21:49.000000000 +0000
@@ -44,8 +44,8 @@
 	"beqz\t%1, 1b\n\t"
 	" sync\n\t"
 	".set\treorder"
-	: "=o" (lock->lock), "=&r" (tmp)
-	: "o" (lock->lock)
+	: "=m" (lock->lock), "=&r" (tmp)
+	: "m" (lock->lock)
 	: "memory");
 }
 
@@ -56,8 +56,8 @@
 	"sync\n\t"
 	"sw\t$0, %0\n\t"
 	".set\treorder"	
-	: "=o" (lock->lock)
-	: "o" (lock->lock)
+	: "=m" (lock->lock)
+	: "m" (lock->lock)
 	: "memory");
 }
 
@@ -95,6 +95,8 @@
 
 #define RW_LOCK_UNLOCKED (rwlock_t) { 0 }
 
+#define rwlock_init(x)  do { *(x) = RW_LOCK_UNLOCKED; } while(0)
+
 static inline void read_lock(rwlock_t *rw)
 {
 	unsigned int tmp;
@@ -108,8 +110,8 @@
 	"beqz\t%1, 1b\n\t"
 	" sync\n\t"
 	".set\treorder"	
-	: "=o" (rw->lock), "=&r" (tmp)
-	: "o" (rw->lock)
+	: "=m" (rw->lock), "=&r" (tmp)
+	: "m" (rw->lock)
 	: "memory");
 }
 
@@ -126,10 +128,10 @@
 	"sub\t%1, 1\n\t"
 	"sc\t%1, %0\n\t"
 	"beqz\t%1, 1b\n\t"
-	"sync\n\t"
+	" sync\n\t"
 	".set\treorder"	
-	: "=o" (rw->lock), "=&r" (tmp)
-	: "o" (rw->lock)
+	: "=m" (rw->lock), "=&r" (tmp)
+	: "m" (rw->lock)
 	: "memory");
 }
 
@@ -146,8 +148,8 @@
 	"beqz\t%1, 1b\n\t"
 	" sync\n\t"
 	".set\treorder"	
-	: "=o" (rw->lock), "=&r" (tmp)
-	: "o" (rw->lock)
+	: "=m" (rw->lock), "=&r" (tmp)
+	: "m" (rw->lock)
 	: "memory");
 }
 
@@ -158,8 +160,8 @@
 	"sync\n\t"
 	"sw\t$0, %0\n\t"
 	".set\treorder"	
-	: "=o" (rw->lock)
-	: "o" (rw->lock)
+	: "=m" (rw->lock)
+	: "m" (rw->lock)
 	: "memory");
 }