OMAP: McBSP: Do not enable wakeups for no-idle mode

When no-idle mode is taken, wakeups need not to be enabled.
Moreover, CLOCKACTIVITY bits are unnecessary with this mode
also.

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

1 files changed, 7 insertions, 6 deletions

diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index 85176a5f4148..56a56887dedc 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -319,16 +319,17 @@ static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp)
                 syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03) | CLOCKACTIVITY(0x03));
 
                 spin_lock_irq(&mcbsp->lock);
-                if (mcbsp->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD)
-                        syscon |= SIDLEMODE(0x02);
-                else
+                if (mcbsp->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) {
+                        syscon |= (ENAWAKEUP | SIDLEMODE(0x02) |
+                                        CLOCKACTIVITY(0x02));
+                        OMAP_MCBSP_WRITE(mcbsp->io_base, WAKEUPEN,
+                                        XRDYEN | RRDYEN);
+                } 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);
         }
 }