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Commit d9a9b3f5 authored by Eduardo Valentin's avatar Eduardo Valentin Committed by Mark Brown
Browse files

OMAP: McBSP: Change wakeup signals 



Configure only XRDYEN and RRDYEN wakeup signals
in order to get better power consumption.

Signed-off-by: default avatarEduardo Valentin <eduardo.valentin@nokia.com>
Acked-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 2122fdc6

arch/arm/plat-omap/include/mach/mcbsp.h

+0 −3
Original line number Original line Diff line number Diff line
@@ -273,9 +273,6 @@ 
#define REOFEN			0x0004

#define REOFEN			0x0004

#define RFSREN			0x0002

#define RFSREN			0x0002

#define RSYNCERREN		0x0001

#define RSYNCERREN		0x0001

#define WAKEUPEN_ALL		(XEMPTYEOFEN | XRDYEN | XEOFEN | XFSXEN | \

				 XSYNCERREN | RRDYEN | REOFEN | RFSREN | \

				 RSYNCERREN)





/* we don't do multichannel for now */

/* we don't do multichannel for now */

struct omap_mcbsp_reg_cfg {

struct omap_mcbsp_reg_cfg {

arch/arm/plat-omap/mcbsp.c

+2 −5
Original line number Original line Diff line number Diff line
@@ -320,7 +320,7 @@ static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp) 
		syscon |= (ENAWAKEUP | SIDLEMODE(0x02));

		syscon |= (ENAWAKEUP | SIDLEMODE(0x02));

		OMAP_MCBSP_WRITE(mcbsp->io_base, SYSCON, syscon);

		OMAP_MCBSP_WRITE(mcbsp->io_base, SYSCON, syscon);





		OMAP_MCBSP_WRITE(mcbsp->io_base, WAKEUPEN, WAKEUPEN_ALL);

		OMAP_MCBSP_WRITE(mcbsp->io_base, WAKEUPEN, XRDYEN | RRDYEN);

	}

	}

}

}
@@ -331,15 +331,12 @@ static inline void omap34xx_mcbsp_free(struct omap_mcbsp *mcbsp) 
	 */

	 */

	if (cpu_is_omap34xx()) {

	if (cpu_is_omap34xx()) {

		u16 syscon;

		u16 syscon;

		u16 wakeupen;





		syscon = OMAP_MCBSP_READ(mcbsp->io_base, SYSCON);

		syscon = OMAP_MCBSP_READ(mcbsp->io_base, SYSCON);

		syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03));

		syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03));

		OMAP_MCBSP_WRITE(mcbsp->io_base, SYSCON, syscon);

		OMAP_MCBSP_WRITE(mcbsp->io_base, SYSCON, syscon);





		wakeupen = OMAP_MCBSP_READ(mcbsp->io_base, WAKEUPEN);

		OMAP_MCBSP_WRITE(mcbsp->io_base, WAKEUPEN, 0);

		wakeupen &= ~WAKEUPEN_ALL;

		OMAP_MCBSP_WRITE(mcbsp->io_base, WAKEUPEN, wakeupen);

	}

	}

}

}

#else

#else