From: LEROY Christophe <christophe.leroy@c-s.fr>
Date: Tue, 19 May 2015 10:07:46 +0000 (+0200)
Subject: powerpc: use memset_io() to clear CPM Muram
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=934628c7e69dc4481011df2c1db86f6be50dad29;p=linux.git

powerpc: use memset_io() to clear CPM Muram

CPM muram is not cached, so use memset_io() instead of memset()

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Scott Wood <scottwood@freescale.com>
---

diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c
index 4f78695712904..e2ea51961979c 100644
--- a/arch/powerpc/sysdev/cpm_common.c
+++ b/arch/powerpc/sysdev/cpm_common.c
@@ -147,7 +147,7 @@ unsigned long cpm_muram_alloc(unsigned long size, unsigned long align)
 	spin_lock_irqsave(&cpm_muram_lock, flags);
 	cpm_muram_info.alignment = align;
 	start = rh_alloc(&cpm_muram_info, size, "commproc");
-	memset(cpm_muram_addr(start), 0, size);
+	memset_io(cpm_muram_addr(start), 0, size);
 	spin_unlock_irqrestore(&cpm_muram_lock, flags);
 
 	return start;