From: Eduardo Valentin <eduardo.valentin@xxxxxxxxx>
Configure only XRDYEN and RRDYEN wakeup signals
in order to get better power consumption.
Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxxxxx>
---
arch/arm/plat-omap/include/mach/mcbsp.h | 3 ---
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 333061d..fe10ae8 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 136f8c5..86bfad8 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
--
1.6.2.GIT
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