ARM: AM33xx: Remove the unused voltagedomain data

Now that there is a way to tell the powerdomain core about
missing voltage domain auto-scaling control in SoCs', get rid of the dummy
voltage domain data populated for AM33xx devices.

Acked-by: Nishanth Menon <nm@ti.com>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Afzal Mohammed <afzal@ti.com> # am335x evm
Signed-off-by: Kevin Hilman <khilman@linaro.org>

arch/arm/mach-omap2/Makefile

@@ -125,7 +125,6 @@ obj-$(CONFIG_ARCH_OMAP3)		+= voltagedomains3xxx_data.o
 obj-$(CONFIG_ARCH_OMAP4)		+= $(voltagedomain-common)
 obj-$(CONFIG_ARCH_OMAP4)		+= voltagedomains44xx_data.o
 obj-$(CONFIG_SOC_AM33XX)		+= $(voltagedomain-common)
-obj-$(CONFIG_SOC_AM33XX)                += voltagedomains33xx_data.o
 obj-$(CONFIG_SOC_OMAP5)			+= $(voltagedomain-common)
 
 # OMAP powerdomain framework

arch/arm/mach-omap2/io.c

@@ -577,7 +577,6 @@ void __init am33xx_init_early(void)
 	omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), NULL);
 	omap3xxx_check_revision();
 	ti81xx_check_features();
-	am33xx_voltagedomains_init();
 	am33xx_powerdomains_init();
 	am33xx_clockdomains_init();
 	am33xx_hwmod_init();

arch/arm/mach-omap2/prm33xx.c

@@ -320,6 +320,12 @@ static int am33xx_pwrdm_wait_transition(struct powerdomain *pwrdm)
 	return 0;
 }
 
+static int am33xx_check_vcvp(void)
+{
+	/* No VC/VP on am33xx devices */
+	return 0;
+}
+
 struct pwrdm_ops am33xx_pwrdm_operations = {
 	.pwrdm_set_next_pwrst		= am33xx_pwrdm_set_next_pwrst,
 	.pwrdm_read_next_pwrst		= am33xx_pwrdm_read_next_pwrst,
@@ -335,4 +341,5 @@ struct pwrdm_ops am33xx_pwrdm_operations = {
 	.pwrdm_set_mem_onst		= am33xx_pwrdm_set_mem_onst,
 	.pwrdm_set_mem_retst		= am33xx_pwrdm_set_mem_retst,
 	.pwrdm_wait_transition		= am33xx_pwrdm_wait_transition,
+	.pwrdm_has_voltdm		= am33xx_check_vcvp,
 };

arch/arm/mach-omap2/voltage.h

@@ -169,7 +169,6 @@ int omap_voltage_late_init(void);
 
 extern void omap2xxx_voltagedomains_init(void);
 extern void omap3xxx_voltagedomains_init(void);
-extern void am33xx_voltagedomains_init(void);
 extern void omap44xx_voltagedomains_init(void);
 
 struct voltagedomain *voltdm_lookup(const char *name);