efDataStatistics statisticsMemoryDefinition.c 庞乐 commit at 2020-12-09

efDataStatistics/dataSharedMemory/statisticsMemoryDefinition.c

@@ -584,3 +584,50 @@ int omap1_clk_set_rate(struct clk *clk, unsigned long rate)
 void omap1_clk_disable_unused(struct clk *clk)
 {
 	__u32 regval32;
+
+	/* Clocks in the DSP domain need api_ck. Just assume bootloader
+	 * has not enabled any DSP clocks */
+	if (clk->enable_reg == DSP_IDLECT2) {
+		pr_info("Skipping reset check for DSP domain clock \"%s\"\n",
+			clk->name);
+		return;
+	}
+
+	/* Is the clock already disabled? */
+	if (clk->flags & ENABLE_REG_32BIT)
+		regval32 = __raw_readl(clk->enable_reg);
+	else
+		regval32 = __raw_readw(clk->enable_reg);
+
+	if ((regval32 & (1 << clk->enable_bit)) == 0)
+		return;
+
+	printk(KERN_INFO "Disabling unused clock \"%s\"... ", clk->name);
+	clk->ops->disable(clk);
+	printk(" done\n");
+}
+
+#endif
+
+
+int clk_enable(struct clk *clk)
+{
+	unsigned long flags;
+	int ret;
+
+	if (clk == NULL || IS_ERR(clk))
+		return -EINVAL;
+
+	spin_lock_irqsave(&clockfw_lock, flags);
+	ret = omap1_clk_enable(clk);
+	spin_unlock_irqrestore(&clockfw_lock, flags);
+
+	return ret;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+	unsigned long flags;
+
+	if (clk == NULL || IS_ERR(clk))