Merge branch 'rebase-samslt-cma_origen' into merge-linux-linaro

3 files changed, 9 insertions, 44 deletions

diff --git a/arch/arm/configs/exynos4_defconfig b/arch/arm/configs/exynos4_defconfig
index d1b150d5934..efdf4b426bd 100644
--- a/arch/arm/configs/exynos4_defconfig
+++ b/arch/arm/configs/exynos4_defconfig
@@ -42,6 +42,7 @@ CONFIG_RFKILL_GPIO=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_CMA_SIZE_MBYTES=32
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=8192
diff --git a/arch/arm/plat-s5p/dev-mfc.c b/arch/arm/plat-s5p/dev-mfc.c
index a30d36b7f61..fcb84008d36 100644
--- a/arch/arm/plat-s5p/dev-mfc.c
+++ b/arch/arm/plat-s5p/dev-mfc.c
@@ -14,6 +14,7 @@
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/dma-contiguous.h>
 #include <linux/memblock.h>
 #include <linux/ioport.h>
 
@@ -22,52 +23,14 @@
 #include <plat/irqs.h>
 #include <plat/mfc.h>
 
-struct s5p_mfc_reserved_mem {
-	phys_addr_t	base;
-	unsigned long	size;
-	struct device	*dev;
-};
-
-static struct s5p_mfc_reserved_mem s5p_mfc_mem[2] __initdata;
-
 void __init s5p_mfc_reserve_mem(phys_addr_t rbase, unsigned int rsize,
 				phys_addr_t lbase, unsigned int lsize)
 {
-	int i;
-
-	s5p_mfc_mem[0].dev = &s5p_device_mfc_r.dev;
-	s5p_mfc_mem[0].base = rbase;
-	s5p_mfc_mem[0].size = rsize;
-
-	s5p_mfc_mem[1].dev = &s5p_device_mfc_l.dev;
-	s5p_mfc_mem[1].base = lbase;
-	s5p_mfc_mem[1].size = lsize;
-
-	for (i = 0; i < ARRAY_SIZE(s5p_mfc_mem); i++) {
-		struct s5p_mfc_reserved_mem *area = &s5p_mfc_mem[i];
-		if (memblock_remove(area->base, area->size)) {
-			printk(KERN_ERR "Failed to reserve memory for MFC device (%ld bytes at 0x%08lx)\n",
-			       area->size, (unsigned long) area->base);
-			area->base = 0;
-		}
-	}
-}
-
-static int __init s5p_mfc_memory_init(void)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(s5p_mfc_mem); i++) {
-		struct s5p_mfc_reserved_mem *area = &s5p_mfc_mem[i];
-		if (!area->base)
-			continue;
+	if (dma_declare_contiguous(&s5p_device_mfc_r.dev, rsize, rbase, 0))
+		printk(KERN_ERR "Failed to reserve memory for MFC device (%u bytes at 0x%08lx)\n",
+		       rsize, (unsigned long) rbase);
 
-		if (dma_declare_coherent_memory(area->dev, area->base,
-				area->base, area->size,
-				DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE) == 0)
-			printk(KERN_ERR "Failed to declare coherent memory for MFC device (%ld bytes at 0x%08lx)\n",
-			       area->size, (unsigned long) area->base);
-	}
-	return 0;
+	if (dma_declare_contiguous(&s5p_device_mfc_l.dev, lsize, lbase, 0))
+		printk(KERN_ERR "Failed to reserve memory for MFC device (%u bytes at 0x%08lx)\n",
+		       rsize, (unsigned long) rbase);
 }
-device_initcall(s5p_mfc_memory_init);
diff --git a/configs/origen.conf b/configs/origen.conf
index d12354c3626..29de32d1442 100644
--- a/configs/origen.conf
+++ b/configs/origen.conf
@@ -22,6 +22,7 @@ CONFIG_NEON=y
 CONFIG_PM_RUNTIME=y
 CONFIG_RFKILL=y
 CONFIG_RFKILL_GPIO=y
+CONFIG_CMA_SIZE_MBYTES=32
 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_CHR_DEV_SG=y