aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/arm/plat-omap/dma.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 9eddc950714..9948d7a2633 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -1339,6 +1339,14 @@ static int __init omap_init_dma(void)
dma_chan_count = 16;
} else
dma_chan_count = 9;
+ if (cpu_is_omap16xx()) {
+ u16 w;
+
+ /* this would prevent OMAP sleep */
+ w = omap_readw(OMAP1610_DMA_LCD_CTRL);
+ w &= ~(1 << 8);
+ omap_writew(w, OMAP1610_DMA_LCD_CTRL);
+ }
} else if (cpu_is_omap24xx()) {
u8 revision = omap_readb(OMAP_DMA4_REVISION);
printk(KERN_INFO "OMAP DMA hardware revision %d.%d\n",