[PATCH 1/3] ARM: s3c24xx: add dma_coherent_mask for DMA devices

Vasily Khoruzhick anarsoul at gmail.com
Sun May 3 11:15:08 PDT 2015


Otherwise dma_alloc_coherent() fails.

Signed-off-by: Vasily Khoruzhick <anarsoul at gmail.com>
---
 arch/arm/mach-s3c24xx/common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/mach-s3c24xx/common.c b/arch/arm/mach-s3c24xx/common.c
index bf50328..7ed0853 100644
--- a/arch/arm/mach-s3c24xx/common.c
+++ b/arch/arm/mach-s3c24xx/common.c
@@ -355,6 +355,7 @@ struct platform_device s3c2410_device_dma = {
 	.resource	= s3c2410_dma_resource,
 	.dev	= {
 		.platform_data	= &s3c2410_dma_platdata,
+		.coherent_dma_mask = ~0,
 	},
 };
 #endif
@@ -452,6 +453,7 @@ struct platform_device s3c2440_device_dma = {
 	.resource	= s3c2410_dma_resource,
 	.dev	= {
 		.platform_data	= &s3c2440_dma_platdata,
+		.coherent_dma_mask = ~0,
 	},
 };
 #endif
-- 
2.3.5




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