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Merge branch 'omap/pm-voltdomain-cleanup' into next/soc

Browse Source 
Conflicts:
	arch/arm/mach-omap2/Makefile
	arch/arm/mach-omap2/io.c

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2013-06-20 17:35:16 +02:00
commit aee9a50c5b
7 changed files with 14 additions and 46 deletions
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1
arch/arm/mach-omap2/Makefile
View File

@ -130,7 +130,6 @@ 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_AM43XX) += $(voltagedomain-common)
obj-$(CONFIG_SOC_OMAP5) += $(voltagedomain-common)
obj-$(CONFIG_SOC_OMAP5) += voltagedomains54xx_data.o

1
arch/arm/mach-omap2/io.c
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@ -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();
am33xx_check_features();
am33xx_voltagedomains_init();
am33xx_powerdomains_init();
am33xx_clockdomains_init();
am33xx_hwmod_init();

5
arch/arm/mach-omap2/powerdomain.c
View File

@ -102,6 +102,10 @@ static int _pwrdm_register(struct powerdomain *pwrdm)
if (_pwrdm_lookup(pwrdm->name))
return -EEXIST;
if (arch_pwrdm && arch_pwrdm->pwrdm_has_voltdm)
if (!arch_pwrdm->pwrdm_has_voltdm())
goto skip_voltdm;
voltdm = voltdm_lookup(pwrdm->voltdm.name);
if (!voltdm) {
pr_err("powerdomain: %s: voltagedomain %s does not exist\n",
@ -111,6 +115,7 @@ static int _pwrdm_register(struct powerdomain *pwrdm)
pwrdm->voltdm.ptr = voltdm;
INIT_LIST_HEAD(&pwrdm->voltdm_node);
voltdm_add_pwrdm(voltdm, pwrdm);
skip_voltdm:
spin_lock_init(&pwrdm->_lock);
list_add(&pwrdm->node, &pwrdm_list);

2
arch/arm/mach-omap2/powerdomain.h
View File

@ -166,6 +166,7 @@ struct powerdomain {
* @pwrdm_disable_hdwr_sar: Disable Hardware Save-Restore feature for a pd
* @pwrdm_set_lowpwrstchange: Enable pd transitions from a shallow to deep sleep
* @pwrdm_wait_transition: Wait for a pd state transition to complete
* @pwrdm_has_voltdm: Check if a voltdm association is needed
*
* Regarding @pwrdm_set_lowpwrstchange: On the OMAP2 and 3-family
* chips, a powerdomain's power state is not allowed to directly
@ -196,6 +197,7 @@ struct pwrdm_ops {
int (*pwrdm_disable_hdwr_sar)(struct powerdomain *pwrdm);
int (*pwrdm_set_lowpwrstchange)(struct powerdomain *pwrdm);
int (*pwrdm_wait_transition)(struct powerdomain *pwrdm);
int (*pwrdm_has_voltdm)(void);
};
int pwrdm_register_platform_funcs(struct pwrdm_ops *custom_funcs);

7
arch/arm/mach-omap2/prm33xx.c
View File

@ -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,
};

1
arch/arm/mach-omap2/voltage.h
View File

@ -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);
extern void omap54xx_voltagedomains_init(void);

43
arch/arm/mach-omap2/voltagedomains33xx_data.c
View File

@ -1,43 +0,0 @@
/*
* AM33XX voltage domain data
*
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include "voltage.h"
static struct voltagedomain am33xx_voltdm_mpu = {
.name = "mpu",
};
static struct voltagedomain am33xx_voltdm_core = {
.name = "core",
};
static struct voltagedomain am33xx_voltdm_rtc = {
.name = "rtc",
};
static struct voltagedomain *voltagedomains_am33xx[] __initdata = {
&am33xx_voltdm_mpu,
&am33xx_voltdm_core,
&am33xx_voltdm_rtc,
NULL,
};
void __init am33xx_voltagedomains_init(void)
{
voltdm_init(voltagedomains_am33xx);
}