diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 89f84911c3561..fd7e3639e8450 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -163,6 +163,9 @@ struct platform_device dma_device = {
 	.dev		= {
 		.platform_data	= &dma_platform_data,
 	},
+	.archdata = {
+		.hwblk_id = HWBLK_DMAC,
+	},
 };
 
 /* Serial */
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index d9cb2c471a31e..e7fa2a92fc1fa 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -189,6 +189,9 @@ static struct platform_device dma0_device = {
 	.dev		= {
 		.platform_data	= &dma0_platform_data,
 	},
+	.archdata = {
+		.hwblk_id = HWBLK_DMAC0,
+	},
 };
 
 static struct platform_device dma1_device = {
@@ -199,6 +202,9 @@ static struct platform_device dma1_device = {
 	.dev		= {
 		.platform_data	= &dma1_platform_data,
 	},
+	.archdata = {
+		.hwblk_id = HWBLK_DMAC1,
+	},
 };
 
 /* Serial */