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>

diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h
index 333061d..fe10ae8 100644 (file)
--- 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 (file)
--- 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