diff mbox

[v3,10/10] arm: Add support for CMA for omap4iss driver

Message ID 1335971749-21258-11-git-send-email-saaguirre@ti.com (mailing list archive)
State RFC, archived
Headers

Commit Message

Aguirre Rodriguez, Sergio Alberto May 2, 2012, 3:15 p.m. UTC 
  Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
---
 arch/arm/mach-omap2/devices.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 2b8cf73..5259691 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -18,6 +18,9 @@ 
 #include <linux/slab.h>
 #include <linux/of.h>
 #include <linux/platform_data/omap4-keypad.h>
+#ifdef CONFIG_CMA
+#include <linux/dma-contiguous.h>
+#endif
 
 #include <media/omap4iss.h>
 
@@ -265,6 +268,11 @@  int omap4_init_camera(struct iss_platform_data *pdata, struct omap_board_data *b
 
 	oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
 
+#ifdef CONFIG_CMA
+	/* Create private 32MiB contiguous memory area for omap4iss device */
+	dma_declare_contiguous(&pdev->dev, 32*SZ_1M, 0, 0);
+#endif
+
 	return 0;
 }