The PM code uses some counters to keep track of the power domains
transitions, in order to provide the information to drivers (in
pwrdm_get_context_loss_count) and to expose the information to
sysfs for debug purpose.
This patch provides the information for each functional state.
Signed-off-by: Jean Pihet <j-pi...@ti.com>
---
arch/arm/mach-omap2/pm-debug.c | 15 ++++++++-------
arch/arm/mach-omap2/powerdomain.c | 12 ++++++------
arch/arm/mach-omap2/powerdomain.h | 4 ++--
3 files changed, 16 insertions(+), 15 deletions(-)
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index 814bcd9..13c00fb 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -53,9 +53,10 @@ enum {
DEBUG_FILE_TIMERS,
};
-static const char pwrdm_state_names[][PWRDM_MAX_PWRSTS] = {
+static const char pwrdm_state_names[][PWRDM_MAX_FUNC_PWRSTS] = {
"OFF",
- "RET",
+ "OSWR",
+ "CSWR",
"INA",
"ON"
};
@@ -102,13 +103,13 @@ static int pwrdm_dbg_show_counter(struct powerdomain
*pwrdm, void *user)
strncmp(pwrdm->name, "dpll", 4) == 0)
return 0;
- if (pwrdm->state != pwrdm_read_pwrst(pwrdm))
+ if (pwrdm->state != pwrdm_read_func_pwrst(pwrdm))
printk(KERN_ERR "pwrdm state mismatch(%s) %d != %d\n",
- pwrdm->name, pwrdm->state, pwrdm_read_pwrst(pwrdm));
+ pwrdm->name, pwrdm->state, pwrdm_read_func_pwrst(pwrdm));
seq_printf(s, "%s (%s)", pwrdm->name,
pwrdm_state_names[pwrdm->state]);
- for (i = 0; i < PWRDM_MAX_PWRSTS; i++)
+ for (i = 0; i < PWRDM_MAX_FUNC_PWRSTS; i++)
seq_printf(s, ",%s:%d", pwrdm_state_names[i],
pwrdm->state_counter[i]);
@@ -137,7 +138,7 @@ static int pwrdm_dbg_show_timer(struct powerdomain *pwrdm,
void *user)
seq_printf(s, "%s (%s)", pwrdm->name,
pwrdm_state_names[pwrdm->state]);
- for (i = 0; i < 4; i++)
+ for (i = 0; i < PWRDM_MAX_FUNC_PWRSTS; i++)
seq_printf(s, ",%s:%lld", pwrdm_state_names[i],
pwrdm->state_timer[i]);
@@ -211,7 +212,7 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm,
void *dir)
t = sched_clock();
- for (i = 0; i < 4; i++)
+ for (i = 0; i < PWRDM_MAX_FUNC_PWRSTS; i++)
pwrdm->state_timer[i] = 0;
pwrdm->timer = t;
diff --git a/arch/arm/mach-omap2/powerdomain.c
b/arch/arm/mach-omap2/powerdomain.c
index f94174b..875c6c4 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -106,7 +106,7 @@ static int _pwrdm_register(struct powerdomain *pwrdm)
list_add(&pwrdm->node, &pwrdm_list);
/* Initialize the powerdomain's state counter */
- for (i = 0; i < PWRDM_MAX_PWRSTS; i++)
+ for (i = 0; i < PWRDM_MAX_FUNC_PWRSTS; i++)
pwrdm->state_counter[i] = 0;
pwrdm->ret_logic_off_counter = 0;
@@ -114,7 +114,7 @@ static int _pwrdm_register(struct powerdomain *pwrdm)
pwrdm->ret_mem_off_counter[i] = 0;
pwrdm_wait_transition(pwrdm);
- pwrdm->state = pwrdm_read_pwrst(pwrdm);
+ pwrdm->state = pwrdm_read_func_pwrst(pwrdm);
pwrdm->state_counter[pwrdm->state] = 1;
pr_debug("powerdomain: registered %s\n", pwrdm->name);
@@ -149,17 +149,17 @@ static int _pwrdm_state_switch(struct powerdomain *pwrdm,
int flag)
if (pwrdm == NULL)
return -EINVAL;
- state = pwrdm_read_pwrst(pwrdm);
+ state = pwrdm_read_func_pwrst(pwrdm);
switch (flag) {
case PWRDM_STATE_NOW:
prev = pwrdm->state;
break;
case PWRDM_STATE_PREV:
- prev = pwrdm_read_prev_pwrst(pwrdm);
+ prev = pwrdm_read_prev_func_pwrst(pwrdm);
if (pwrdm->state != prev)
pwrdm->state_counter[prev]++;
- if (prev == PWRDM_POWER_RET)
+ if (prev == PWRDM_FUNC_PWRST_OSWR)
_update_logic_membank_counters(pwrdm);
/*
* If the power domain did not hit the desired state,
@@ -1338,7 +1338,7 @@ int pwrdm_get_context_loss_count(struct powerdomain
*pwrdm)
return -ENODEV;
}
- count = pwrdm->state_counter[PWRDM_POWER_OFF];
+ count = pwrdm->state_counter[PWRDM_FUNC_PWRST_OFF];
count += pwrdm->ret_logic_off_counter;
for (i = 0; i < pwrdm->banks; i++)
diff --git a/arch/arm/mach-omap2/powerdomain.h
b/arch/arm/mach-omap2/powerdomain.h
index 9dd68ab..06fb396 100644
--- a/arch/arm/mach-omap2/powerdomain.h
+++ b/arch/arm/mach-omap2/powerdomain.h
@@ -165,13 +165,13 @@ struct powerdomain {
struct list_head voltdm_node;
struct mutex lock;
int state;
- unsigned state_counter[PWRDM_MAX_PWRSTS];
+ unsigned state_counter[PWRDM_MAX_FUNC_PWRSTS];
unsigned ret_logic_off_counter;
unsigned ret_mem_off_counter[PWRDM_MAX_MEM_BANKS];
#ifdef CONFIG_PM_DEBUG
s64 timer;
- s64 state_timer[PWRDM_MAX_PWRSTS];
+ s64 state_timer[PWRDM_MAX_FUNC_PWRSTS];
#endif
};
--
1.7.7.6
--
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