efHotAgingTrendMining environmentalHumidityAnalysis.c 朱俊杰 commit at 2021-02-04

efHotAgingTrendMining/analysisOfEnvironmentalFactors/environmentalHumidityAnalysis.c

@@ -736,3 +736,64 @@ int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm)
 /**
  * clkdm_sleep - force clockdomain sleep transition
  * @clkdm: struct clockdomain *
+ *
+ * Instruct the CM to force a sleep transition on the specified
+ * clockdomain @clkdm.  Returns -EINVAL if @clkdm is NULL or if
+ * clockdomain does not support software-initiated sleep; 0 upon
+ * success.
+ */
+int clkdm_sleep(struct clockdomain *clkdm)
+{
+	int ret;
+	unsigned long flags;
+
+	if (!clkdm)
+		return -EINVAL;
+
+	if (!(clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) {
+		pr_debug("clockdomain: %s does not support forcing sleep via software\n",
+			 clkdm->name);
+		return -EINVAL;
+	}
+
+	if (!arch_clkdm || !arch_clkdm->clkdm_sleep)
+		return -EINVAL;
+
+	pr_debug("clockdomain: forcing sleep on %s\n", clkdm->name);
+
+	spin_lock_irqsave(&clkdm->lock, flags);
+	clkdm->_flags &= ~_CLKDM_FLAG_HWSUP_ENABLED;
+	ret = arch_clkdm->clkdm_sleep(clkdm);
+	spin_unlock_irqrestore(&clkdm->lock, flags);
+	return ret;
+}
+
+/**
+ * clkdm_wakeup - force clockdomain wakeup transition
+ * @clkdm: struct clockdomain *
+ *
+ * Instruct the CM to force a wakeup transition on the specified
+ * clockdomain @clkdm.  Returns -EINVAL if @clkdm is NULL or if the
+ * clockdomain does not support software-controlled wakeup; 0 upon
+ * success.
+ */
+int clkdm_wakeup(struct clockdomain *clkdm)
+{
+	int ret;
+	unsigned long flags;
+
+	if (!clkdm)
+		return -EINVAL;
+
+	if (!(clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)) {
+		pr_debug("clockdomain: %s does not support forcing wakeup via software\n",
+			 clkdm->name);
+		return -EINVAL;
+	}
+
+	if (!arch_clkdm || !arch_clkdm->clkdm_wakeup)
+		return -EINVAL;
+
+	pr_debug("clockdomain: forcing wakeup on %s\n", clkdm->name);
+
+	spin_lock_irqsave(&clkdm->lock, flags);