From: Eduardo Valentin 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-Tag: firefly_0821_release~12446^2~52 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d99a7454e57d3dc9d04d6a77292a056f430a9ece;p=firefly-linux-kernel-4.4.55.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 Acked-by: Tony Lindgren Signed-off-by: Mark Brown --- 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);