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| author | Eduardo Valentin <eduardo.valentin@nokia.com> | 2009-08-20 16:18:18 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-08-20 20:10:27 +0100 |
| commit | d99a7454e57d3dc9d04d6a77292a056f430a9ece (patch) | |
| tree | 3be2591611cc0b8dce62a5dd1a2a8b21a2a30c6b /arch/arm/plat-omap/mcbsp.c | |
| parent | 2ba93f8fa77c0140de163e8a31bb9c09b5ded74c (diff) | |
| download | blackbird-op-linux-d99a7454e57d3dc9d04d6a77292a056f430a9ece.tar.gz blackbird-op-linux-d99a7454e57d3dc9d04d6a77292a056f430a9ece.zip | |
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>
Diffstat (limited to 'arch/arm/plat-omap/mcbsp.c')
| -rw-r--r-- | arch/arm/plat-omap/mcbsp.c | 10 |
1 files changed, 9 insertions, 1 deletions
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); |
