From: Eduardo Valentin Date: Thu, 20 Aug 2009 13:18:16 +0000 (+0300) Subject: OMAP: McBSP: Change wakeup signals X-Git-Tag: firefly_0821_release~12446^2~54 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d9a9b3f5f7d4736cfe6fae95b9d63b07faeb702e;p=firefly-linux-kernel-4.4.55.git OMAP: McBSP: Change wakeup signals Configure only XRDYEN and RRDYEN wakeup signals in order to get better power consumption. Signed-off-by: Eduardo Valentin Acked-by: Tony Lindgren Signed-off-by: Mark Brown --- 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