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PM / Domains: Make genpd state allocation dynamic

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Allow PM Domain states to be defined dynamically by the drivers. This
removes the limitation on the maximum number of states possible for a
domain.

Suggested-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Lina Iyer <lina.iyer@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lina Iyer
2016-10-14 10:47:49 -07:00
committed by Rafael J. Wysocki
parent 1001354ca3
commit 59d65b73a2
3 changed files with 35 additions and 22 deletions
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17
arch/arm/mach-imx/gpc.c
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@@ -380,13 +380,6 @@ static struct pu_domain imx6q_pu_domain = {
.name = "PU",
.power_off = imx6q_pm_pu_power_off,
.power_on = imx6q_pm_pu_power_on,
.states = {
[0] = {
.power_off_latency_ns = 25000,
.power_on_latency_ns = 2000000,
},
},
.state_count = 1,
},
};
@@ -430,6 +423,16 @@ static int imx_gpc_genpd_init(struct device *dev, struct regulator *pu_reg)
if (!IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS))
return 0;
imx6q_pu_domain.base.states = devm_kzalloc(dev,
sizeof(*imx6q_pu_domain.base.states),
GFP_KERNEL);
if (!imx6q_pu_domain.base.states)
return -ENOMEM;
imx6q_pu_domain.base.states[0].power_off_latency_ns = 25000;
imx6q_pu_domain.base.states[0].power_on_latency_ns = 2000000;
imx6q_pu_domain.base.state_count = 1;
pm_genpd_init(&imx6q_pu_domain.base, NULL, false);
return of_genpd_add_provider_onecell(dev->of_node,
&imx_gpc_onecell_data);