From 3795ffcacd7675d38456f4f9c35ff7d64352bd47 Mon Sep 17 00:00:00 2001 From: Jan Weitzel Date: Fri, 21 Jun 2013 10:24:02 +0200 Subject: [PATCH] OMAP4 do not set TPS62361_REG_ADDR_SET0 Don't set SET0 voltage, because it acts as boot voltage for OPP boot. Take care that the kernel doesn't drive vset gpio to low. This may happen while reseting the gpio module at initialization, look for HWMOD_INIT_NO_RESET. Signed-off-by: Jan Weitzel Reviewed-by: Nishanth Menon Signed-off-by: Sascha Hauer --- arch/arm/mach-omap/omap4_generic.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-omap/omap4_generic.c b/arch/arm/mach-omap/omap4_generic.c index a21f156e5..9aefd247d 100644 --- a/arch/arm/mach-omap/omap4_generic.c +++ b/arch/arm/mach-omap/omap4_generic.c @@ -586,11 +586,10 @@ noinline int omap4460_scale_vcores(unsigned vsel0_pin, unsigned volt_mv) writel(0x6026, OMAP44XX_PRM_VC_CFG_I2C_CLK); /* TPS - supplies vdd_mpu on 4460 - * Setup SET1 and SET0 with right values so that kernel - * can use either of them based on its needs. + * Setup SET1 and don't touch SET0 it acts as boot voltage + * source after reset. */ - omap4_do_scale_tps62361(TPS62361_REG_ADDR_SET0, volt_mv); omap4_do_scale_tps62361(TPS62361_REG_ADDR_SET1, volt_mv); /*