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SH: cpuidle: initialize the driver's states directly

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Like all the other drivers, let's initialize the structure a compile time
instead of init time.

The states  and  are not enabled by default. The init function will
check the features of the board in order to enable the state.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Daniel Lezcano 2013-04-17 13:32:56 +00:00 • committed by Rafael J. Wysocki
parent 194db92fd2
commit 0a4f841e9c
1 changed files with 42 additions and 50 deletions

92
arch/sh/kernel/cpu/shmobile/cpuidle.c
View file

@ -53,60 +53,52 @@ static int cpuidle_sleep_enter(struct cpuidle_device *dev,
static struct cpuidle_device cpuidle_dev;
static struct cpuidle_driver cpuidle_driver = {
.name = "sh_idle",
.owner = THIS_MODULE,
.en_core_tk_irqen = 1,
.name = "sh_idle",
.owner = THIS_MODULE,
.en_core_tk_irqen = 1,
.states = {
{
.exit_latency = 1,
.target_residency = 1 * 2,
.power_usage = 3,
.flags = CPUIDLE_FLAG_TIME_VALID,
.enter = cpuidle_sleep_enter,
.name = "C1",
.desc = "SuperH Sleep Mode",
},
{
.exit_latency = 100,
.target_residency = 1 * 2,
.power_usage = 1,
.flags = CPUIDLE_FLAG_TIME_VALID,
.enter = cpuidle_sleep_enter,
.name = "C2",
.desc = "SuperH Sleep Mode [SF]",
.disabled = true,
},
{
.exit_latency = 2300,
.target_residency = 1 * 2,
.power_usage = 1,
.flags = CPUIDLE_FLAG_TIME_VALID,
.enter = cpuidle_sleep_enter,
.name = "C3",
.desc = "SuperH Mobile Standby Mode [SF]",
.disabled = true,
},
},
.safe_state_index = 0,
.state_count = 3,
};
void sh_mobile_setup_cpuidle(void)
{
struct cpuidle_device *dev = &cpuidle_dev;
struct cpuidle_driver *drv = &cpuidle_driver;
struct cpuidle_state *state;
int i = 0;
if (sh_mobile_sleep_supported & SUSP_SH_SF)
cpuidle_driver.states[1].disabled = false;
state = &drv->states[i++];
snprintf(state->name, CPUIDLE_NAME_LEN, "C1");
strncpy(state->desc, "SuperH Sleep Mode", CPUIDLE_DESC_LEN);
state->exit_latency = 1;
state->target_residency = 1 * 2;
state->power_usage = 3;
state->flags = 0;
state->flags |= CPUIDLE_FLAG_TIME_VALID;
state->enter = cpuidle_sleep_enter;
if (sh_mobile_sleep_supported & SUSP_SH_STANDBY)
cpuidle_driver.states[2].disabled = false;
drv->safe_state_index = 0;
if (sh_mobile_sleep_supported & SUSP_SH_SF) {
state = &drv->states[i++];
snprintf(state->name, CPUIDLE_NAME_LEN, "C2");
strncpy(state->desc, "SuperH Sleep Mode [SF]",
CPUIDLE_DESC_LEN);
state->exit_latency = 100;
state->target_residency = 1 * 2;
state->power_usage = 1;
state->flags = 0;
state->flags |= CPUIDLE_FLAG_TIME_VALID;
state->enter = cpuidle_sleep_enter;
}
if (sh_mobile_sleep_supported & SUSP_SH_STANDBY) {
state = &drv->states[i++];
snprintf(state->name, CPUIDLE_NAME_LEN, "C3");
strncpy(state->desc, "SuperH Mobile Standby Mode [SF]",
CPUIDLE_DESC_LEN);
state->exit_latency = 2300;
state->target_residency = 1 * 2;
state->power_usage = 1;
state->flags = 0;
state->flags |= CPUIDLE_FLAG_TIME_VALID;
state->enter = cpuidle_sleep_enter;
}
drv->state_count = i;
dev->state_count = i;
cpuidle_register_driver(&cpuidle_driver);
cpuidle_register_device(dev);
if (!cpuidle_register_driver(&cpuidle_driver))
cpuidle_register_device(&cpuidle_dev);
}