3 files changed, 31 insertions, 0 deletions

diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index a52f35117e8..d32f96c1cc1 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -23,9 +23,23 @@
 #include <linux/notifier.h>
 #include <asm/suspend.h>
 #include <asm/clock.h>
+#include <asm/dma-sh.h>
 #include <asm/mmzone.h>
 #include <cpu/sh7724.h>
 
+/* DMA */
+static struct sh_dmae_pdata dma_platform_data = {
+        .mode = SHDMA_DMAOR1,
+};
+
+static struct platform_device dma_device = {
+        .name   = "sh-dma-engine",
+        .id             = -1,
+        .dev    = {
+                .platform_data  = &dma_platform_data,
+        },
+};
+
 /* Serial */
 static struct plat_sci_port scif0_platform_data = {
         .mapbase        = 0xffe00000,
@@ -649,6 +663,7 @@ static struct platform_device *sh7724_devices[] __initdata = {
         &tmu3_device,
         &tmu4_device,
         &tmu5_device,
+        &dma_device,
         &rtc_device,
         &iic0_device,
         &iic1_device,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
index ef26ebda6e8..f685b9b2199 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -14,6 +14,7 @@
 #include <linux/io.h>
 #include <linux/mm.h>
 #include <linux/sh_timer.h>
+#include <asm/dma-sh.h>
 #include <asm/mmzone.h>
 
 static struct plat_sci_port scif0_platform_data = {
@@ -294,6 +295,18 @@ static struct platform_device tmu5_device = {
         .num_resources  = ARRAY_SIZE(tmu5_resources),
 };
 
+static struct sh_dmae_pdata dma_platform_data = {
+        .mode = (SHDMA_MIX_IRQ | SHDMA_DMAOR1),
+};
+
+static struct platform_device dma_device = {
+        .name           = "sh-dma-engine",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &dma_platform_data,
+        },
+};
+
 static struct platform_device *sh7785_devices[] __initdata = {
         &scif0_device,
         &scif1_device,
@@ -307,6 +320,7 @@ static struct platform_device *sh7785_devices[] __initdata = {
         &tmu3_device,
         &tmu4_device,
         &tmu5_device,
+        &dma_device,
 };
 
 static int __init sh7785_devices_setup(void)
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c
index aaff0037fcd..6b3d706deac 100644
--- a/arch/sh/kernel/idle.c
+++ b/arch/sh/kernel/idle.c
@@ -62,6 +62,7 @@ void default_idle(void)
                 clear_thread_flag(TIF_POLLING_NRFLAG);
                 smp_mb__after_clear_bit();
 
+                set_bl_bit();
                 if (!need_resched()) {
                         local_irq_enable();
                         cpu_sleep();
@@ -69,6 +70,7 @@ void default_idle(void)
                         local_irq_enable();
 
                 set_thread_flag(TIF_POLLING_NRFLAG);
+                clear_bl_bit();
         } else
                 poll_idle();
 }