thermal代码分析（1）Makefile文件

#
# Makefile for sensor chip drivers.
#

obj-$(CONFIG_THERMAL)        += thermal_sys.o
thermal_sys-y            += thermal_core.o                #核心代码

# interface to/from other layers providing sensors
thermal_sys-$(CONFIG_THERMAL_HWMON)        += thermal_hwmon.o
thermal_sys-$(CONFIG_THERMAL_OF)        += of-thermal.o            #dts解析

# governors                    五种governor
thermal_sys-$(CONFIG_THERMAL_GOV_FAIR_SHARE)    += fair_share.o
thermal_sys-$(CONFIG_THERMAL_GOV_BANG_BANG)    += gov_bang_bang.o
thermal_sys-$(CONFIG_THERMAL_GOV_STEP_WISE)    += step_wise.o
thermal_sys-$(CONFIG_THERMAL_GOV_USER_SPACE)    += user_space.o
thermal_sys-$(CONFIG_THERMAL_GOV_POWER_ALLOCATOR)    += power_allocator.o

# cpufreq cooling
thermal_sys-$(CONFIG_CPU_THERMAL)    += cpu_cooling.o

# clock cooling
thermal_sys-$(CONFIG_CLOCK_THERMAL)    += clock_cooling.o

# devfreq cooling
thermal_sys-$(CONFIG_DEVFREQ_THERMAL) += devfreq_cooling.o

# platform thermal drivers        平台相关代码，提供读取温度的接口
obj-$(CONFIG_QCOM_SPMI_TEMP_ALARM)    += qcom-spmi-temp-alarm.o
obj-$(CONFIG_SPEAR_THERMAL)    += spear_thermal.o
obj-$(CONFIG_ROCKCHIP_THERMAL)    += rockchip_thermal.o
obj-$(CONFIG_RCAR_THERMAL)    += rcar_thermal.o
obj-$(CONFIG_KIRKWOOD_THERMAL)  += kirkwood_thermal.o
obj-y                += samsung/
obj-$(CONFIG_DOVE_THERMAL)      += dove_thermal.o
obj-$(CONFIG_DB8500_THERMAL)    += db8500_thermal.o
obj-$(CONFIG_ARMADA_THERMAL)    += armada_thermal.o
obj-$(CONFIG_TANGO_THERMAL)    += tango_thermal.o
obj-$(CONFIG_IMX_THERMAL)    += imx_thermal.o
obj-$(CONFIG_MAX77620_THERMAL)    += max77620_thermal.o
obj-$(CONFIG_QORIQ_THERMAL)    += qoriq_thermal.o
obj-$(CONFIG_DB8500_CPUFREQ_COOLING)    += db8500_cpufreq_cooling.o
obj-$(CONFIG_INTEL_POWERCLAMP)    += intel_powerclamp.o
obj-$(CONFIG_X86_PKG_TEMP_THERMAL)    += x86_pkg_temp_thermal.o
obj-$(CONFIG_INTEL_SOC_DTS_IOSF_CORE)    += intel_soc_dts_iosf.o
obj-$(CONFIG_INTEL_SOC_DTS_THERMAL)    += intel_soc_dts_thermal.o
obj-$(CONFIG_INTEL_QUARK_DTS_THERMAL)    += intel_quark_dts_thermal.o
obj-$(CONFIG_TI_SOC_THERMAL)    += ti-soc-thermal/
obj-$(CONFIG_INT340X_THERMAL)  += int340x_thermal/
obj-$(CONFIG_INTEL_BXT_PMIC_THERMAL) += intel_bxt_pmic_thermal.o
obj-$(CONFIG_INTEL_PCH_THERMAL)    += intel_pch_thermal.o
obj-$(CONFIG_ST_THERMAL)    += st/
obj-$(CONFIG_QCOM_TSENS)    += qcom/
obj-$(CONFIG_TEGRA_SOCTHERM)    += tegra/
obj-$(CONFIG_HISI_THERMAL)     += hisi_thermal.o
obj-$(CONFIG_MTK_THERMAL)    += mtk_thermal.o
obj-$(CONFIG_GENERIC_ADC_THERMAL)    += thermal-generic-adc.o