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 4f786957129040bc541bc8d9a8cfd8122e949e38..e2ea51961979c0b766607d0b5d48e4152768a010 100644 (file)
--- 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;