diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c index d239a45ed4972..ea05d9d674902 100644 --- a/drivers/cpufreq/qcom-cpufreq-nvmem.c +++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include #include @@ -426,6 +427,18 @@ static const struct qcom_cpufreq_match_data match_data_ipq8074 = { .get_version = qcom_cpufreq_ipq8074_name_version, }; +static void qcom_cpufreq_suspend_virt_devs(struct qcom_cpufreq_drv *drv, unsigned int cpu) +{ + const char * const *name = drv->data->genpd_names; + int i; + + if (!drv->cpus[cpu].virt_devs) + return; + + for (i = 0; *name; i++, name++) + device_set_awake_path(drv->cpus[cpu].virt_devs[i]); +} + static void qcom_cpufreq_put_virt_devs(struct qcom_cpufreq_drv *drv, unsigned int cpu) { const char * const *name = drv->data->genpd_names; @@ -578,11 +591,25 @@ static void qcom_cpufreq_remove(struct platform_device *pdev) } } +static int qcom_cpufreq_suspend(struct device *dev) +{ + struct qcom_cpufreq_drv *drv = dev_get_drvdata(dev); + unsigned int cpu; + + for_each_possible_cpu(cpu) + qcom_cpufreq_suspend_virt_devs(drv, cpu); + + return 0; +} + +static DEFINE_SIMPLE_DEV_PM_OPS(qcom_cpufreq_pm_ops, qcom_cpufreq_suspend, NULL); + static struct platform_driver qcom_cpufreq_driver = { .probe = qcom_cpufreq_probe, .remove_new = qcom_cpufreq_remove, .driver = { .name = "qcom-cpufreq-nvmem", + .pm = pm_sleep_ptr(&qcom_cpufreq_pm_ops), }, };