From: Michal Simek <monstr@monstr.eu>
Date: Mon, 22 Jun 2009 08:55:40 +0000 (+0200)
Subject: microblaze: Not to clear r7 after copying DTB to kernel
X-Git-Tag: v2.6.31-rc5~86^2~11
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=a69cb8c4662dd0a7b01b32a9165b1a1697068f19;p=~shefty%2Frdma-dev.git

microblaze: Not to clear r7 after copying DTB to kernel

I can't clear r7 because if I do it I lose information
where DTB come from.

Signed-off-by: Michal Simek <monstr@monstr.eu>
---

diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S
index 815bcaae99c..3c4d4a2803e 100644
--- a/arch/microblaze/kernel/head.S
+++ b/arch/microblaze/kernel/head.S
@@ -73,7 +73,6 @@ _copy_fdt:
 	bgtid	r3, _copy_fdt /* loop for all entries */
 	addik	r3, r3, -4 /* descrement loop */
 no_fdt_arg:
-	add	r7, r0, r0			/* Clear r7, just to be sure */
 
 #ifdef CONFIG_MMU