efDataDiscreteRateMining calculationOfAverageTemperature.c 袁明明 commit at 2021-01-25

efDataDiscreteRateMining/averageCalculation/calculationOfAverageTemperature.c

@@ -154,3 +154,197 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
 	 * the clock may have been made this way by choice.
 	 */
 
+	WARN_ON(clk->ops == NULL);
+	WARN_ON(clk->ops && clk->ops->set_rate == NULL);
+
+	if (clk->ops == NULL || clk->ops->set_rate == NULL)
+		return -EINVAL;
+
+	spin_lock_irqsave(&clocks_lock, flags);
+	ret = (clk->ops->set_rate)(clk, rate);
+	spin_unlock_irqrestore(&clocks_lock, flags);
+
+	return ret;
+}
+
+struct clk *clk_get_parent(struct clk *clk)
+{
+	return clk->parent;
+}
+
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+	unsigned long flags;
+	int ret = 0;
+
+	if (IS_ERR_OR_NULL(clk) || IS_ERR_OR_NULL(parent))
+		return -EINVAL;
+
+	spin_lock_irqsave(&clocks_lock, flags);
+
+	if (clk->ops && clk->ops->set_parent)
+		ret = (clk->ops->set_parent)(clk, parent);
+
+	spin_unlock_irqrestore(&clocks_lock, flags);
+
+	return ret;
+}
+
+EXPORT_SYMBOL(clk_enable);
+EXPORT_SYMBOL(clk_disable);
+EXPORT_SYMBOL(clk_get_rate);
+EXPORT_SYMBOL(clk_round_rate);
+EXPORT_SYMBOL(clk_set_rate);
+EXPORT_SYMBOL(clk_get_parent);
+EXPORT_SYMBOL(clk_set_parent);
+
+/* base clocks */
+
+int clk_default_setrate(struct clk *clk, unsigned long rate)
+{
+	clk->rate = rate;
+	return 0;
+}
+
+struct clk_ops clk_ops_def_setrate = {
+	.set_rate	= clk_default_setrate,
+};
+
+struct clk clk_xtal = {
+	.name		= "xtal",
+	.rate		= 0,
+	.parent		= NULL,
+	.ctrlbit	= 0,
+};
+
+struct clk clk_ext = {
+	.name		= "ext",
+};
+
+struct clk clk_epll = {
+	.name		= "epll",
+};
+
+struct clk clk_mpll = {
+	.name		= "mpll",
+	.ops		= &clk_ops_def_setrate,
+};
+
+struct clk clk_upll = {
+	.name		= "upll",
+	.parent		= NULL,
+	.ctrlbit	= 0,
+};
+
+struct clk clk_f = {
+	.name		= "fclk",
+	.rate		= 0,
+	.parent		= &clk_mpll,
+	.ctrlbit	= 0,
+};
+
+struct clk clk_h = {
+	.name		= "hclk",
+	.rate		= 0,
+	.parent		= NULL,
+	.ctrlbit	= 0,
+	.ops		= &clk_ops_def_setrate,
+};
+
+struct clk clk_p = {
+	.name		= "pclk",
+	.rate		= 0,
+	.parent		= NULL,
+	.ctrlbit	= 0,
+	.ops		= &clk_ops_def_setrate,
+};
+
+struct clk clk_usb_bus = {
+	.name		= "usb-bus",
+	.rate		= 0,
+	.parent		= &clk_upll,
+};
+
+
+struct clk s3c24xx_uclk = {
+	.name		= "uclk",
+};
+
+/* initialise the clock system */
+
+/**
+ * s3c24xx_register_clock() - register a clock
+ * @clk: The clock to register
+ *
+ * Add the specified clock to the list of clocks known by the system.
+ */
+int s3c24xx_register_clock(struct clk *clk)
+{
+	if (clk->enable == NULL)
+		clk->enable = clk_null_enable;
+
+	/* fill up the clk_lookup structure and register it*/
+	clk->lookup.dev_id = clk->devname;
+	clk->lookup.con_id = clk->name;
+	clk->lookup.clk = clk;
+	clkdev_add(&clk->lookup);
+
+	return 0;
+}
+
+/**
+ * s3c24xx_register_clocks() - register an array of clock pointers
+ * @clks: Pointer to an array of struct clk pointers
+ * @nr_clks: The number of clocks in the @clks array.
+ *
+ * Call s3c24xx_register_clock() for all the clock pointers contained
+ * in the @clks list. Returns the number of failures.
+ */
+int s3c24xx_register_clocks(struct clk **clks, int nr_clks)
+{
+	int fails = 0;
+
+	for (; nr_clks > 0; nr_clks--, clks++) {
+		if (s3c24xx_register_clock(*clks) < 0) {
+			struct clk *clk = *clks;
+			printk(KERN_ERR "%s: failed to register %p: %s\n",
+			       __func__, clk, clk->name);
+			fails++;
+		}
+	}
+
+	return fails;
+}
+
+/**
+ * s3c_register_clocks() - register an array of clocks
+ * @clkp: Pointer to the first clock in the array.
+ * @nr_clks: Number of clocks to register.
+ *
+ * Call s3c24xx_register_clock() on the @clkp array given, printing an
+ * error if it fails to register the clock (unlikely).
+ */
+void __init s3c_register_clocks(struct clk *clkp, int nr_clks)
+{
+	int ret;
+
+	for (; nr_clks > 0; nr_clks--, clkp++) {
+		ret = s3c24xx_register_clock(clkp);
+
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       clkp->name, ret);
+		}
+	}
+}
+
+/**
+ * s3c_disable_clocks() - disable an array of clocks
+ * @clkp: Pointer to the first clock in the array.
+ * @nr_clks: Number of clocks to register.
+ *
+ * for internal use only at initialisation time. disable the clocks in the
+ * @clkp array.
+ */
+
+void __init s3c_disable_clocks(struct clk *clkp, int nr_clks)