[PATCHv3 13/16] cpuidle: mvebu: add Armada 38x support
Daniel Lezcano
daniel.lezcano at linaro.org
Thu Jul 24 02:17:37 PDT 2014
On 07/23/2014 03:00 PM, Thomas Petazzoni wrote:
> This commit adds the list of cpuidle states supported by the Armada
> 38x SoC in the cpuidle-mvebu-v7 driver, as well as the necessary logic
> around it to support this SoC.
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Acked-by: Daniel Lezcano <daniel.lezcano at linaro.org>
> ---
> drivers/cpuidle/cpuidle-mvebu-v7.c | 29 ++++++++++++++++++++++++++++-
> 1 file changed, 28 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/cpuidle/cpuidle-mvebu-v7.c b/drivers/cpuidle/cpuidle-mvebu-v7.c
> index d23597f..45371bb 100644
> --- a/drivers/cpuidle/cpuidle-mvebu-v7.c
> +++ b/drivers/cpuidle/cpuidle-mvebu-v7.c
> @@ -1,5 +1,5 @@
> /*
> - * Marvell Armada 370 and Armada XP SoC cpuidle driver
> + * Marvell Armada 370, 38x and XP SoC cpuidle driver
> *
> * Copyright (C) 2014 Marvell
> *
> @@ -86,6 +86,21 @@ static struct cpuidle_driver armada370_idle_driver = {
> .state_count = 2,
> };
>
> +static struct cpuidle_driver armada38x_idle_driver = {
> + .name = "armada_38x_idle",
> + .states[0] = ARM_CPUIDLE_WFI_STATE,
> + .states[1] = {
> + .enter = mvebu_v7_enter_idle,
> + .exit_latency = 10,
> + .power_usage = 5,
> + .target_residency = 100,
> + .flags = CPUIDLE_FLAG_TIME_VALID,
> + .name = "Idle",
> + .desc = "CPU and SCU power down",
> + },
> + .state_count = 2,
> +};
> +
> static int mvebu_v7_cpuidle_probe(struct platform_device *pdev)
> {
> mvebu_v7_cpu_suspend = pdev->dev.platform_data;
> @@ -94,6 +109,8 @@ static int mvebu_v7_cpuidle_probe(struct platform_device *pdev)
> return cpuidle_register(&armadaxp_idle_driver, NULL);
> else if (!strcmp(pdev->dev.driver->name, "cpuidle-armada-370"))
> return cpuidle_register(&armada370_idle_driver, NULL);
> + else if (!strcmp(pdev->dev.driver->name, "cpuidle-armada-38x"))
> + return cpuidle_register(&armada38x_idle_driver, NULL);
> else
> return -EINVAL;
> }
> @@ -118,6 +135,16 @@ static struct platform_driver armada370_cpuidle_plat_driver = {
>
> module_platform_driver(armada370_cpuidle_plat_driver);
>
> +static struct platform_driver armada38x_cpuidle_plat_driver = {
> + .driver = {
> + .name = "cpuidle-armada-38x",
> + .owner = THIS_MODULE,
> + },
> + .probe = mvebu_v7_cpuidle_probe,
> +};
> +
> +module_platform_driver(armada38x_cpuidle_plat_driver);
> +
> MODULE_AUTHOR("Gregory CLEMENT <gregory.clement at free-electrons.com>");
> MODULE_DESCRIPTION("Marvell EBU v7 cpuidle driver");
> MODULE_LICENSE("GPL");
>
--
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