X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=arch%2Farm%2Fplat-omap%2Fdma.c;h=9c71cbb498c90aaa1ad4b289a22a3b8f630d0872;hb=cf8d224071de2e70822eebe48e936e5f742e3a8b;hp=21cc0142b97ad25293706acbb027fc32aa34d28b;hpb=5c2c33ae65b949b8c901754090eb95d7b77dc5e4;p=linux-2.6-omap-h63xx.git

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 21cc0142b97..9c71cbb498c 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -2424,6 +2424,19 @@ static int __init omap_init_dma(void)
 	if (cpu_class_is_omap2())
 		setup_irq(INT_24XX_SDMA_IRQ0, &omap24xx_dma_irq);
 
+	/* Enable smartidle idlemodes and autoidle */
+	if (cpu_is_omap34xx()) {
+		u32 v = dma_read(OCP_SYSCONFIG);
+		v &= ~(DMA_SYSCONFIG_MIDLEMODE_MASK |
+				DMA_SYSCONFIG_SIDLEMODE_MASK |
+				DMA_SYSCONFIG_AUTOIDLE);
+		v |= (DMA_SYSCONFIG_MIDLEMODE(DMA_IDLEMODE_SMARTIDLE) |
+			DMA_SYSCONFIG_SIDLEMODE(DMA_IDLEMODE_SMARTIDLE) |
+			DMA_SYSCONFIG_AUTOIDLE);
+		dma_write(v , OCP_SYSCONFIG);
+	}
+
+
 	/* FIXME: Update LCD DMA to work on 24xx */
 	if (cpu_class_is_omap1()) {
 		r = request_irq(INT_DMA_LCD, lcd_dma_irq_handler, 0,