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Subject[PATCH v9 4/6] ARM: imx6: pm: declare pm domain latency on power_state struct.
Date
From: Axel Haslam <ahaslam+renesas@baylibre.com>

The generic_pm_domain structure uses an array of latencies to be able to
declare multiple intermediate states.

Declare a single "OFF" state with the default latencies So that the
power_off_latency_ns and power_on_latency_ns fields of generic_pm_domain
structure can be eventualy removed.

Signed-off-by: Axel Haslam <ahaslam+renesas@baylibre.com>
---
arch/arm/mach-imx/gpc.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c
index 76658f8..367a00c 100644
--- a/arch/arm/mach-imx/gpc.c
+++ b/arch/arm/mach-imx/gpc.c
@@ -45,9 +45,11 @@

struct pu_domain {
struct generic_pm_domain base;
+ struct genpd_power_state *states;
struct regulator *reg;
struct clk *clk[GPC_CLK_MAX];
int num_clks;
+ unsigned int num_states;
};

static void __iomem *gpc_base;
@@ -369,14 +371,22 @@ static struct generic_pm_domain imx6q_arm_domain = {
.name = "ARM",
};

+static struct genpd_power_state imx6q_arm_domain_states[] = {
+ {
+ .name = "OFF",
+ .power_off_latency_ns = 25000,
+ .power_on_latency_ns = 2000000,
+ },
+};
+
static struct pu_domain imx6q_pu_domain = {
.base = {
.name = "PU",
.power_off = imx6q_pm_pu_power_off,
.power_on = imx6q_pm_pu_power_on,
- .power_off_latency_ns = 25000,
- .power_on_latency_ns = 2000000,
},
+ .states = imx6q_arm_domain_states,
+ .num_states = ARRAY_SIZE(imx6q_arm_domain_states),
};

static struct generic_pm_domain imx6sl_display_domain = {
@@ -419,7 +429,9 @@ static int imx_gpc_genpd_init(struct device *dev, struct regulator *pu_reg)
if (!IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS))
return 0;

- pm_genpd_init_simple(&imx6q_pu_domain.base, NULL, false);
+ pm_genpd_init(&imx6q_pu_domain.base, NULL, imx6q_pu_domain.states,
+ imx6q_pu_domain.num_states, false);
+
return of_genpd_add_provider_onecell(dev->of_node,
&imx_gpc_onecell_data);

--
2.4.5


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