[ARM] 3358/1: [S3C2410] add missing SPI DMA resources

Patch from Albrecht Dreß

Add DMA resources to s3c2410 spi platform devices - dma_(alloc|free)_coherent should now work as expected.

Signed-off-by: Albrecht Dreß <albrecht.dress@lios-tech.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 12 insertions, 0 deletions

diff --git a/arch/arm/mach-s3c2410/devs.c b/arch/arm/mach-s3c2410/devs.c
index 0a47d38789a5..ca09ba516e4c 100644
--- a/arch/arm/mach-s3c2410/devs.c
+++ b/arch/arm/mach-s3c2410/devs.c
@@ -334,11 +334,17 @@ static struct resource s3c_spi0_resource[] = {
 
 };
 
+static u64 s3c_device_spi0_dmamask = 0xffffffffUL;
+
 struct platform_device s3c_device_spi0 = {
         .name             = "s3c2410-spi",
         .id               = 0,
         .num_resources    = ARRAY_SIZE(s3c_spi0_resource),
         .resource         = s3c_spi0_resource,
+        .dev              = {
+                .dma_mask = &s3c_device_spi0_dmamask,
+                .coherent_dma_mask = 0xffffffffUL
+        }
 };
 
 EXPORT_SYMBOL(s3c_device_spi0);
@@ -359,11 +365,17 @@ static struct resource s3c_spi1_resource[] = {
 
 };
 
+static u64 s3c_device_spi1_dmamask = 0xffffffffUL;
+
 struct platform_device s3c_device_spi1 = {
         .name             = "s3c2410-spi",
         .id               = 1,
         .num_resources    = ARRAY_SIZE(s3c_spi1_resource),
         .resource         = s3c_spi1_resource,
+        .dev              = {
+                .dma_mask = &s3c_device_spi1_dmamask,
+                .coherent_dma_mask = 0xffffffffUL
+        }
 };
 
 EXPORT_SYMBOL(s3c_device_spi1);