diff mbox

[PATCHv4,12/20] OMAP: McBSP: Configure NO IDLE mode for DMA mode different of threshold

Message ID 1250509879-6703-13-git-send-email-eduardo.valentin@nokia.com (mailing list archive)
State Awaiting Upstream, archived
Headers show

Commit Message

Eduardo Valentin Aug. 17, 2009, 11:51 a.m. UTC 
From: Eduardo Valentin <eduardo.valentin@nokia.com>

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

Signed-off-by: Eduardo Valentin <eduardo.valentin@nokia.com>
---
 arch/arm/plat-omap/mcbsp.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)
diff mbox

Patch

diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index 2c274e6..85176a5 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);