From: Michael Hennerich <michael.hennerich@analog.com>
Date: Wed, 16 Jul 2008 08:59:05 +0000 (+0800)
Subject: Blackfin arch: Add ANOMALY_05000368 workaround
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2cfebf2bceff4645b403246b608b1bb6222e4deb;p=linux-2.6

Blackfin arch: Add ANOMALY_05000368 workaround

Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
---

diff --git a/arch/blackfin/kernel/entry.S b/arch/blackfin/kernel/entry.S
index 65f4e67a65..31bd9bf3ef 100644
--- a/arch/blackfin/kernel/entry.S
+++ b/arch/blackfin/kernel/entry.S
@@ -64,6 +64,11 @@ ENDPROC(_ret_from_fork)
 
 ENTRY(_sys_fork)
 	r0 = -EINVAL;
+#if (ANOMALY_05000371)
+	nop;
+	nop;
+	nop;
+#endif
 	rts;
 ENDPROC(_sys_fork)