From: Daniel Hellstrom <daniel@gaisler.com>
Date: Mon, 25 Oct 2010 21:23:46 +0000 (+0000)
Subject: sparc: Fixed random SPARC/LEON SMP CPU Stuck problem.
X-Git-Tag: firefly_0821_release~7613^2~3247^2~12
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=502279a7cd1e4b1d320ee2c9a25eca165232d213;p=firefly-linux-kernel-4.4.55.git

sparc: Fixed random SPARC/LEON SMP CPU Stuck problem.

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
index e1656fc41ccb..7524689b03d2 100644
--- a/arch/sparc/kernel/leon_smp.c
+++ b/arch/sparc/kernel/leon_smp.c
@@ -56,8 +56,8 @@ void __init leon_configure_cache_smp(void);
 static inline unsigned long do_swap(volatile unsigned long *ptr,
 				    unsigned long val)
 {
-	__asm__ __volatile__("swapa [%1] %2, %0\n\t" : "=&r"(val)
-			     : "r"(ptr), "i"(ASI_LEON_DCACHE_MISS)
+	__asm__ __volatile__("swapa [%2] %3, %0\n\t" : "=&r"(val)
+			     : "0"(val), "r"(ptr), "i"(ASI_LEON_DCACHE_MISS)
 			     : "memory");
 	return val;
 }