From: Eero Nurkkala <[email protected]> FCLK may get autogated so that it prevents the McBSP to work properly. It is the bit 9 that must be set for maintaining the McBSP FCLK.
Signed-off-by: Eero Nurkkala <[email protected]> Signed-off-by: Eduardo Valentin <[email protected]> Acked-by: Jarkko Nikula <[email protected]> --- arch/arm/plat-omap/include/mach/mcbsp.h | 1 + arch/arm/plat-omap/mcbsp.c | 6 +++--- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h index fe10ae8..70e950e 100644 --- a/arch/arm/plat-omap/include/mach/mcbsp.h +++ b/arch/arm/plat-omap/include/mach/mcbsp.h @@ -254,6 +254,7 @@ #define RDISABLE 0x0001 /********************** McBSP SYSCONFIG bit definitions ********************/ +#define CLOCKACTIVITY(value) ((value)<<8) #define SIDLEMODE(value) ((value)<<3) #define ENAWAKEUP 0x0004 #define SOFTRST 0x0002 diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c index 86bfad8..2c274e6 100644 --- a/arch/arm/plat-omap/mcbsp.c +++ b/arch/arm/plat-omap/mcbsp.c @@ -316,8 +316,8 @@ static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp) u16 syscon; syscon = OMAP_MCBSP_READ(mcbsp->io_base, SYSCON); - syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03)); - syscon |= (ENAWAKEUP | SIDLEMODE(0x02)); + syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03) | CLOCKACTIVITY(0x03)); + syscon |= (ENAWAKEUP | SIDLEMODE(0x02) | CLOCKACTIVITY(0x02)); OMAP_MCBSP_WRITE(mcbsp->io_base, SYSCON, syscon); OMAP_MCBSP_WRITE(mcbsp->io_base, WAKEUPEN, XRDYEN | RRDYEN); @@ -333,7 +333,7 @@ static inline void omap34xx_mcbsp_free(struct omap_mcbsp *mcbsp) u16 syscon; syscon = OMAP_MCBSP_READ(mcbsp->io_base, SYSCON); - syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03)); + syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03) | CLOCKACTIVITY(0x03)); OMAP_MCBSP_WRITE(mcbsp->io_base, SYSCON, syscon); OMAP_MCBSP_WRITE(mcbsp->io_base, WAKEUPEN, 0); -- 1.6.2.GIT -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
