Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 1194a4c..4780517 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -4,6 +4,8 @@
 
 #include <linux/kernel.h>
 #include <linux/cpu.h>
+#include <linux/cpufreq.h>
+#include <linux/pm_qos.h>
 #include <linux/thermal.h>
 #include <asm/acpi.h>
 
@@ -230,6 +232,8 @@
 	struct acpi_processor_limit limit;
 	struct thermal_cooling_device *cdev;
 	struct device *dev; /* Processor device. */
+	struct freq_qos_request perflib_req;
+	struct freq_qos_request thermal_req;
 };
 
 struct acpi_processor_errata {
@@ -296,16 +300,22 @@
 /* in processor_perflib.c */
 
 #ifdef CONFIG_CPU_FREQ
-void acpi_processor_ppc_init(void);
-void acpi_processor_ppc_exit(void);
+extern bool acpi_processor_cpufreq_init;
+void acpi_processor_ignore_ppc_init(void);
+void acpi_processor_ppc_init(struct cpufreq_policy *policy);
+void acpi_processor_ppc_exit(struct cpufreq_policy *policy);
 void acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag);
 extern int acpi_processor_get_bios_limit(int cpu, unsigned int *limit);
 #else
-static inline void acpi_processor_ppc_init(void)
+static inline void acpi_processor_ignore_ppc_init(void)
 {
 	return;
 }
-static inline void acpi_processor_ppc_exit(void)
+static inline void acpi_processor_ppc_init(struct cpufreq_policy *policy)
+{
+	return;
+}
+static inline void acpi_processor_ppc_exit(struct cpufreq_policy *policy)
 {
 	return;
 }
@@ -421,14 +431,14 @@
 int acpi_processor_get_limit_info(struct acpi_processor *pr);
 extern const struct thermal_cooling_device_ops processor_cooling_ops;
 #if defined(CONFIG_ACPI_CPU_FREQ_PSS) & defined(CONFIG_CPU_FREQ)
-void acpi_thermal_cpufreq_init(void);
-void acpi_thermal_cpufreq_exit(void);
+void acpi_thermal_cpufreq_init(struct cpufreq_policy *policy);
+void acpi_thermal_cpufreq_exit(struct cpufreq_policy *policy);
 #else
-static inline void acpi_thermal_cpufreq_init(void)
+static inline void acpi_thermal_cpufreq_init(struct cpufreq_policy *policy)
 {
 	return;
 }
-static inline void acpi_thermal_cpufreq_exit(void)
+static inline void acpi_thermal_cpufreq_exit(struct cpufreq_policy *policy)
 {
 	return;
 }