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-rw-r--r--include/linux/devfreq.h17
-rw-r--r--include/soc/rockchip/pm_domains.h25
2 files changed, 40 insertions, 2 deletions
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index 142474b4af96..dc10bee75a72 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -38,6 +38,7 @@ enum devfreq_timer {
struct devfreq;
struct devfreq_governor;
+struct devfreq_cpu_data;
struct thermal_cooling_device;
/**
@@ -288,6 +289,11 @@ struct devfreq_simple_ondemand_data {
#endif
#if IS_ENABLED(CONFIG_DEVFREQ_GOV_PASSIVE)
+enum devfreq_parent_dev_type {
+ DEVFREQ_PARENT_DEV,
+ CPUFREQ_PARENT_DEV,
+};
+
/**
* struct devfreq_passive_data - ``void *data`` fed to struct devfreq
* and devfreq_add_device
@@ -299,8 +305,11 @@ struct devfreq_simple_ondemand_data {
* using governors except for passive governor.
* If the devfreq device has the specific method to decide
* the next frequency, should use this callback.
- * @this: the devfreq instance of own device.
- * @nb: the notifier block for DEVFREQ_TRANSITION_NOTIFIER list
+ * @parent_type: the parent type of the device.
+ * @this: the devfreq instance of own device.
+ * @nb: the notifier block for DEVFREQ_TRANSITION_NOTIFIER or
+ * CPUFREQ_TRANSITION_NOTIFIER list.
+ * @cpu_data_list: the list of cpu frequency data for all cpufreq_policy.
*
* The devfreq_passive_data have to set the devfreq instance of parent
* device with governors except for the passive governor. But, don't need to
@@ -314,9 +323,13 @@ struct devfreq_passive_data {
/* Optional callback to decide the next frequency of passvice device */
int (*get_target_freq)(struct devfreq *this, unsigned long *freq);
+ /* Should set the type of parent device */
+ enum devfreq_parent_dev_type parent_type;
+
/* For passive governor's internal use. Don't need to set them */
struct devfreq *this;
struct notifier_block nb;
+ struct list_head cpu_data_list;
};
#endif
diff --git a/include/soc/rockchip/pm_domains.h b/include/soc/rockchip/pm_domains.h
new file mode 100644
index 000000000000..7dbd941fc937
--- /dev/null
+++ b/include/soc/rockchip/pm_domains.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2022, The Chromium OS Authors. All rights reserved.
+ */
+
+#ifndef __SOC_ROCKCHIP_PM_DOMAINS_H__
+#define __SOC_ROCKCHIP_PM_DOMAINS_H__
+
+#ifdef CONFIG_ROCKCHIP_PM_DOMAINS
+
+int rockchip_pmu_block(void);
+void rockchip_pmu_unblock(void);
+
+#else /* CONFIG_ROCKCHIP_PM_DOMAINS */
+
+static inline int rockchip_pmu_block(void)
+{
+ return 0;
+}
+
+static inline void rockchip_pmu_unblock(void) { }
+
+#endif /* CONFIG_ROCKCHIP_PM_DOMAINS */
+
+#endif /* __SOC_ROCKCHIP_PM_DOMAINS_H__ */