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[PATCHv4,10/20] OMAP: McBSP: Change wakeup signals

Message ID 1250509879-6703-11-git-send-email-eduardo.valentin@nokia.com (mailing list archive)
State Awaiting Upstream, archived
Headers show

Commit Message

Eduardo Valentin Aug. 17, 2009, 11:51 a.m. UTC 
From: Eduardo Valentin <eduardo.valentin@nokia.com>

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

Signed-off-by: Eduardo Valentin <eduardo.valentin@nokia.com>
---
 arch/arm/plat-omap/include/mach/mcbsp.h |    3 ---
 arch/arm/plat-omap/mcbsp.c              |    7 ++-----
 2 files changed, 2 insertions(+), 8 deletions(-)
diff mbox

Patch

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