This patch prevents VDD1 and VDD2 to go to the lowest OPP when entering C1.
It improves wakeup latency from 600us to about 50us.
---
arch/arm/mach-omap2/pm34xx.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index b0b2188..87ef55e 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -1052,7 +1052,7 @@ static void __init configure_vc(void)
OMAP3_PRM_VC_I2C_CFG_OFFSET);
/* Setup voltctrl and other setup times */
- prm_write_mod_reg(OMAP3430_AUTO_RET | OMAP3430_AUTO_SLEEP,
+ prm_write_mod_reg(OMAP3430_AUTO_RET,
OMAP3430_GR_MOD, OMAP3_PRM_VOLTCTRL_OFFSET);
prm_write_mod_reg(OMAP3430_CLKSETUP_DURATION, OMAP3430_GR_MOD,
--
1.5.6.3
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