From: Michal Simek <monstr@monstr.eu>
Date: Thu, 15 Dec 2011 08:24:06 +0000 (+0100)
Subject: microblaze: mm: Use ZONE_DMA instead of ZONE_NORMAL
X-Git-Tag: MMI-PSA29.97-13-9~17072^2~19
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4e2e4124b7fe68b28e9f759b7ecc0ec16307fce6;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

microblaze: mm: Use ZONE_DMA instead of ZONE_NORMAL

We should use ZONE_DMA because all address space is dma-able.

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

diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index c8d6efb99dbf..8e9da3d42814 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -27,6 +27,9 @@ config SWAP
 config RWSEM_GENERIC_SPINLOCK
 	def_bool y
 
+config ZONE_DMA
+	def_bool y
+
 config RWSEM_XCHGADD_ALGORITHM
 	bool
 
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 565d193c7ebf..a72f42498c25 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -58,11 +58,7 @@ static void __init paging_init(void)
 	/* Clean every zones */
 	memset(zones_size, 0, sizeof(zones_size));
 
-	/*
-	 * old: we can DMA to/from any address.put all page into ZONE_DMA
-	 * We use only ZONE_NORMAL
-	 */
-	zones_size[ZONE_NORMAL] = max_mapnr;
+	zones_size[ZONE_DMA] = max_mapnr;
 
 	free_area_init(zones_size);
 }