--- zzzz-none-000/linux-3.10.107/arch/arm/mach-omap2/pm.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/mach-omap2/pm.c	2021-02-04 17:41:59.000000000 +0000
@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/err.h>
-#include <linux/opp.h>
+#include <linux/pm_opp.h>
 #include <linux/export.h>
 #include <linux/suspend.h>
 #include <linux/cpu.h>
@@ -32,11 +32,13 @@
 #include "pm.h"
 #include "twl-common.h"
 
+#ifdef CONFIG_SUSPEND
 /*
  * omap_pm_suspend: points to a function that does the SoC-specific
  * suspend work
  */
-int (*omap_pm_suspend)(void);
+static int (*omap_pm_suspend)(void);
+#endif
 
 #ifdef CONFIG_PM
 /**
@@ -131,7 +133,7 @@
 {
 	struct voltagedomain *voltdm;
 	struct clk *clk;
-	struct opp *opp;
+	struct dev_pm_opp *opp;
 	unsigned long freq, bootup_volt;
 	struct device *dev;
 
@@ -172,7 +174,7 @@
 	clk_put(clk);
 
 	rcu_read_lock();
-	opp = opp_find_freq_ceil(dev, &freq);
+	opp = dev_pm_opp_find_freq_ceil(dev, &freq);
 	if (IS_ERR(opp)) {
 		rcu_read_unlock();
 		pr_err("%s: unable to find boot up OPP for vdd_%s\n",
@@ -180,7 +182,7 @@
 		goto exit;
 	}
 
-	bootup_volt = opp_get_voltage(opp);
+	bootup_volt = dev_pm_opp_get_voltage(opp);
 	rcu_read_unlock();
 	if (!bootup_volt) {
 		pr_err("%s: unable to find voltage corresponding to the bootup OPP for vdd_%s\n",
@@ -243,6 +245,15 @@
 	.valid		= suspend_valid_only_mem,
 };
 
+/**
+ * omap_common_suspend_init - Set common suspend routines for OMAP SoCs
+ * @pm_suspend: function pointer to SoC specific suspend function
+ */
+void omap_common_suspend_init(void *pm_suspend)
+{
+	omap_pm_suspend = pm_suspend;
+	suspend_set_ops(&omap_pm_ops);
+}
 #endif /* CONFIG_SUSPEND */
 
 static void __init omap3_init_voltages(void)
@@ -266,7 +277,12 @@
 
 static inline void omap_init_cpufreq(void)
 {
-	struct platform_device_info devinfo = { .name = "omap-cpufreq", };
+	struct platform_device_info devinfo = { };
+
+	if (!of_have_populated_dt())
+		devinfo.name = "omap-cpufreq";
+	else
+		devinfo.name = "cpufreq-dt";
 	platform_device_register_full(&devinfo);
 }
 
@@ -282,31 +298,24 @@
 
 int __init omap2_common_pm_late_init(void)
 {
-	/*
-	 * In the case of DT, the PMIC and SR initialization will be done using
-	 * a completely different mechanism.
-	 * Disable this part if a DT blob is available.
-	 */
-	if (!of_have_populated_dt()) {
-
-		/* Init the voltage layer */
-		omap_pmic_late_init();
-		omap_voltage_late_init();
-
-		/* Initialize the voltages */
-		omap3_init_voltages();
-		omap4_init_voltages();
+	if (of_have_populated_dt()) {
+		omap3_twl_init();
+		omap4_twl_init();
+	}
 
-		/* Smartreflex device init */
-		omap_devinit_smartreflex();
+	/* Init the voltage layer */
+	omap_pmic_late_init();
+	omap_voltage_late_init();
+
+	/* Initialize the voltages */
+	omap3_init_voltages();
+	omap4_init_voltages();
 
-		/* cpufreq dummy device instantiation */
-		omap_init_cpufreq();
-	}
+	/* Smartreflex device init */
+	omap_devinit_smartreflex();
 
-#ifdef CONFIG_SUSPEND
-	suspend_set_ops(&omap_pm_ops);
-#endif
+	/* cpufreq dummy device instantiation */
+	omap_init_cpufreq();
 
 	return 0;
 }