diff mbox

[v2,11/11] arm: Add support for CMA for omap4iss driver

Message ID 1322698500-29924-12-git-send-email-saaguirre@ti.com (mailing list archive)
State RFC, archived
Headers

Commit Message

Aguirre Rodriguez, Sergio Alberto Dec. 1, 2011, 12:15 a.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 b48aeea..e411c4e 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -17,6 +17,9 @@ 
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/of.h>
+#ifdef CONFIG_CMA
+#include <linux/dma-contiguous.h>
+#endif
 
 #include <mach/hardware.h>
 #include <mach/irqs.h>
@@ -246,6 +249,11 @@  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;
 }