diff options
| author | Bhuvanchandra DV <bhuvanchandra.dv@toradex.com> | 2017-05-02 13:02:06 +0530 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2017-06-06 13:36:57 -0700 |
| commit | f37e832b9814df334bb09374e2f21c88d35ec61c (patch) | |
| tree | e8763739311d3caf71d9eeab10af32122525775c | |
| parent | 3348e452f7710844f083bdb1f55f4c983612e89b (diff) | |
ARM: vf610: PM: Use device tree property to register power_off function
Only register power_off function when device tree property
_/soc/fsl,use-lpm-poweroff_ is set.
Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
| -rw-r--r-- | arch/arm/boot/dts/vf-colibri.dtsi | 4 | ||||
| -rw-r--r-- | arch/arm/mach-imx/pm-vf610.c | 10 |
2 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/vf-colibri.dtsi b/arch/arm/boot/dts/vf-colibri.dtsi index 1a1a80499e5a..de1b1cb33f1a 100644 --- a/arch/arm/boot/dts/vf-colibri.dtsi +++ b/arch/arm/boot/dts/vf-colibri.dtsi @@ -32,6 +32,10 @@ regulator-max-microvolt = <3300000>; regulator-always-on; }; + + soc { + fsl,use-lpm-poweroff; + }; }; &adc0 { diff --git a/arch/arm/mach-imx/pm-vf610.c b/arch/arm/mach-imx/pm-vf610.c index f5c54abd8ccc..5a3df0caf23a 100644 --- a/arch/arm/mach-imx/pm-vf610.c +++ b/arch/arm/mach-imx/pm-vf610.c @@ -601,6 +601,7 @@ put_node: static int __init vf610_suspend_init(const struct vf610_pm_socdata *socdata) { int ret; + struct device_node *soc_node; #ifdef DEBUG ret = vf610_uart_init(); @@ -608,6 +609,13 @@ static int __init vf610_suspend_init(const struct vf610_pm_socdata *socdata) return ret; #endif + soc_node = of_find_node_by_path("/soc"); + if (soc_node == NULL) + return -ENODEV; + + if (of_property_read_bool(soc_node, "fsl,use-lpm-poweroff")) + pm_power_off = vf610_power_off; + if (vf610_suspend_mem_init(socdata)) { /* * Suspend to memory for some reason not available, use DDR @@ -691,8 +699,6 @@ void __init vf610_pm_init(void) if (ret) pr_warn("%s: No DDR LPM support with suspend %d!\n", __func__, ret); - - pm_power_off = vf610_power_off; } } |