diff options
| author | Eduardo Valentin <eduardo.valentin@nokia.com> | 2009-08-20 16:18:16 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-08-20 20:10:27 +0100 |
| commit | d9a9b3f5f7d4736cfe6fae95b9d63b07faeb702e (patch) | |
| tree | faa1b3850e49f40c5e04329737cf7d5301d0b2a1 /arch | |
| parent | 2122fdc629f05634537e796c0630028e4db76953 (diff) | |
| download | talos-obmc-linux-d9a9b3f5f7d4736cfe6fae95b9d63b07faeb702e.tar.gz talos-obmc-linux-d9a9b3f5f7d4736cfe6fae95b9d63b07faeb702e.zip | |
OMAP: McBSP: Change wakeup signals
Configure only XRDYEN and RRDYEN wakeup signals
in order to get better power consumption.
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')
| -rw-r--r-- | arch/arm/plat-omap/include/mach/mcbsp.h | 3 | ||||
| -rw-r--r-- | arch/arm/plat-omap/mcbsp.c | 7 |
2 files changed, 2 insertions, 8 deletions
diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h index 333061d4f4a7..fe10ae8b027b 100644 --- a/arch/arm/plat-omap/include/mach/mcbsp.h +++ b/arch/arm/plat-omap/include/mach/mcbsp.h @@ -273,9 +273,6 @@ #define REOFEN 0x0004 #define RFSREN 0x0002 #define RSYNCERREN 0x0001 -#define WAKEUPEN_ALL (XEMPTYEOFEN | XRDYEN | XEOFEN | XFSXEN | \ - XSYNCERREN | RRDYEN | REOFEN | RFSREN | \ - RSYNCERREN) /* we don't do multichannel for now */ struct omap_mcbsp_reg_cfg { diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c index 136f8c5d0dac..86bfad88abdf 100644 --- a/arch/arm/plat-omap/mcbsp.c +++ b/arch/arm/plat-omap/mcbsp.c @@ -320,7 +320,7 @@ static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp) syscon |= (ENAWAKEUP | SIDLEMODE(0x02)); 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()) { u16 syscon; - u16 wakeupen; syscon = OMAP_MCBSP_READ(mcbsp->io_base, SYSCON); syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03)); OMAP_MCBSP_WRITE(mcbsp->io_base, SYSCON, syscon); - wakeupen = OMAP_MCBSP_READ(mcbsp->io_base, WAKEUPEN); - wakeupen &= ~WAKEUPEN_ALL; - OMAP_MCBSP_WRITE(mcbsp->io_base, WAKEUPEN, wakeupen); + OMAP_MCBSP_WRITE(mcbsp->io_base, WAKEUPEN, 0); } } #else |
