From: Eduardo Valentin <eduardo.valentin@nokia.com>
Date: Thu, 20 Aug 2009 13:18:18 +0000 (+0300)
Subject: OMAP: McBSP: Configure NO IDLE mode for DMA mode different of threshold
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d99a7454e57d3dc9d04d6a77292a056f430a9ece;p=linux-beck.git

OMAP: McBSP: Configure NO IDLE mode for DMA mode different of threshold

Use dma mode property to configure NO IDLE or SMART IDLE of McBSPs.

Signed-off-by: Eduardo Valentin <eduardo.valentin@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index 2c274e6f0de9..85176a5f4148 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -317,7 +317,15 @@ static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp)
 
 		syscon = OMAP_MCBSP_READ(mcbsp->io_base, SYSCON);
 		syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03) | CLOCKACTIVITY(0x03));
-		syscon |= (ENAWAKEUP | SIDLEMODE(0x02) | CLOCKACTIVITY(0x02));
+
+		spin_lock_irq(&mcbsp->lock);
+		if (mcbsp->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD)
+			syscon |= SIDLEMODE(0x02);
+		else
+			syscon |= SIDLEMODE(0x01);
+		spin_unlock_irq(&mcbsp->lock);
+
+		syscon |= (ENAWAKEUP | CLOCKACTIVITY(0x02));
 		OMAP_MCBSP_WRITE(mcbsp->io_base, SYSCON, syscon);
 
 		OMAP_MCBSP_WRITE(mcbsp->io_base, WAKEUPEN, XRDYEN | RRDYEN);