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Commit 2fd974a6 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "lpm_levels_legacy: Rectified compilation errors"

parents 4e0dedf1 7aac6c87

drivers/cpuidle/Makefile

+4 −0
Original line number Diff line number Diff line
@@ -22,8 +22,12 @@ obj-$(CONFIG_ARM_AT91_CPUIDLE) += cpuidle-at91.o 
obj-$(CONFIG_ARM_EXYNOS_CPUIDLE)        += cpuidle-exynos.o

obj-$(CONFIG_ARM_CPUIDLE)		+= cpuidle-arm.o

obj-$(CONFIG_ARM_PSCI_CPUIDLE)		+= cpuidle-psci.o

ifeq ($(CONFIG_MSM_PM_LEGACY), y)

obj-y += lpm-levels-legacy.o lpm-levels-of-legacy.o

else

obj-$(CONFIG_ARM_QCOM_LPM_CPUIDLE)	+= lpm-levels.o

obj-$(CONFIG_ARM_QCOM_LPM_CPUIDLE)	+= lpm-levels-of.o

endif



###############################################################################

# MIPS drivers

drivers/cpuidle/lpm-levels-legacy.c

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drivers/cpuidle/lpm-levels-legacy.h

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+127 −0
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/* SPDX-License-Identifier: GPL-2.0-only */



/*

 * Copyright (c) 2014-2021 The Linux Foundation. All rights reserved.

 */



#include <soc/qcom/pm-legacy.h>

#include <soc/qcom/spm.h>



#define NR_LPM_LEVELS 8



extern bool use_psci;



struct lpm_lookup_table {

	uint32_t modes;

	const char *mode_name;

};



struct power_params {

	uint32_t latency_us;		/* Enter + Exit latency */

	uint32_t ss_power;		/* Steady state power */

	uint32_t energy_overhead;	/* Enter + exit over head */

	uint32_t time_overhead_us;	/* Enter + exit overhead */

	uint32_t residencies[NR_LPM_LEVELS];

	uint32_t max_residency;

};



struct lpm_cpu_level {

	const char *name;

	enum msm_pm_sleep_mode mode;

	bool use_bc_timer;

	struct power_params pwr;

	unsigned int psci_id;

	bool is_reset;

	bool jtag_save_restore;

	bool hyp_psci;

	int reset_level;

};



struct lpm_cpu {

	struct lpm_cpu_level levels[NR_LPM_LEVELS];

	int nlevels;

	unsigned int psci_mode_shift;

	unsigned int psci_mode_mask;

	struct lpm_cluster *parent;

};



struct lpm_level_avail {

	bool idle_enabled;

	bool suspend_enabled;

	struct kobject *kobj;

	struct kobj_attribute idle_enabled_attr;

	struct kobj_attribute suspend_enabled_attr;

	void *data;

	int idx;

	bool cpu_node;

};



struct lpm_cluster_level {

	const char *level_name;

	int *mode;			/* SPM mode to enter */

	int min_child_level;

	struct cpumask num_cpu_votes;

	struct power_params pwr;

	bool notify_rpm;

	bool disable_dynamic_routing;

	bool sync_level;

	bool last_core_only;

	struct lpm_level_avail available;

	unsigned int psci_id;

	bool is_reset;

	int reset_level;

	bool no_cache_flush;

};



struct low_power_ops {

	struct msm_spm_device *spm;

	int (*set_mode)(struct low_power_ops *ops, int mode,

				struct lpm_cluster_level *level);

	enum msm_pm_l2_scm_flag tz_flag;

};



struct lpm_cluster {

	struct list_head list;

	struct list_head child;

	const char *cluster_name;

	const char **name;

	unsigned long aff_level; /* Affinity level of the node */

	struct low_power_ops *lpm_dev;

	int ndevices;

	struct lpm_cluster_level levels[NR_LPM_LEVELS];

	int nlevels;

	enum msm_pm_l2_scm_flag l2_flag;

	int min_child_level;

	int default_level;

	int last_level;

	struct lpm_cpu *cpu;

	struct cpuidle_driver *drv;

	spinlock_t sync_lock;

	struct cpumask child_cpus;

	struct cpumask num_children_in_sync;

	struct lpm_cluster *parent;

	struct lpm_stats *stats;

	unsigned int psci_mode_shift;

	unsigned int psci_mode_mask;

	bool no_saw_devices;

};



int set_l2_mode(struct low_power_ops *ops, int mode,

				struct lpm_cluster_level *level);

int set_system_mode(struct low_power_ops *ops, int mode,

				struct lpm_cluster_level *level);

int set_l3_mode(struct low_power_ops *ops, int mode,

				struct lpm_cluster_level *level);

void lpm_suspend_wake_time(uint64_t wakeup_time);



struct lpm_cluster *lpm_of_parse_cluster(struct platform_device *pdev);

void free_cluster_node(struct lpm_cluster *cluster);

void cluster_dt_walkthrough(struct lpm_cluster *cluster);



int create_cluster_lvl_nodes(struct lpm_cluster *p, struct kobject *kobj);

bool lpm_cpu_mode_allow(unsigned int cpu,

		unsigned int mode, bool from_idle);

bool lpm_cluster_mode_allow(struct lpm_cluster *cluster,

		unsigned int mode, bool from_idle);

uint32_t *get_per_cpu_max_residency(int cpu);

extern struct lpm_cluster *lpm_root_node;

drivers/cpuidle/lpm-levels-of-legacy.c

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drivers/soc/qcom/Kconfig

+13 −2
Original line number Diff line number Diff line
@@ -835,6 +835,17 @@ config QTI_SYSTEM_PM 
config QTI_SYSTEM_PM_RPM

	bool



config MSM_PM_LEGACY

	depends on PM

	select MSM_IDLE_STATS if DEBUG_FS

	select CPU_IDLE_MULTIPLE_DRIVERS

	bool "Qualcomm Technologies, Inc. (QTI) platform specific Legacy PM driver"

	help

	  Platform specific legacy power driver to manage

	  cores and l2 low power modes. It interface with

	  various system driver and put the cores into

	  low power modes.



config QTI_PLH_SCMI_CLIENT

	tristate "Qualcomm Technologies Inc. SCMI client driver for PLH"

	depends on QTI_PLH
@@ -895,7 +906,7 @@ config QTI_HW_MEMLAT_LOG 
	  This driver register with IPC_Logging framework, to have dedicated

	  buffer for memlat hw device.



if MSM_PM

if (MSM_PM || MSM_PM_LEGACY)

menuconfig MSM_IDLE_STATS

	bool "Collect idle statistics"

	help
@@ -928,7 +939,7 @@ config MSM_SUSPEND_STATS_FIRST_BUCKET 
	  histogram.  This is for collecting statistics on suspend.



endif # MSM_IDLE_STATS

endif # MSM_PM

endif # MSM_PM || MSM_PM_LEGACY



config QTI_RPM_STATS_LOG

	tristate "Qualcomm Technologies RPM Stats Driver"