waterDataPreprocessing dataSynchronizationMemory.c 张婷 commit at 2020-12-25

waterDataPreprocessing/databaseOperation/dataSynchronizationMemory.c

@@ -414,3 +414,101 @@ int omap3_noncore_dpll_enable(struct clk_hw *hw)
 		r = clkdm_clk_enable(clk->clkdm, hw->clk);
 		if (r) {
 			WARN(1,
+			     "%s: could not enable %s's clockdomain %s: %d\n",
+			     __func__, __clk_get_name(hw->clk),
+			     clk->clkdm->name, r);
+			return r;
+		}
+	}
+
+	parent = __clk_get_parent(hw->clk);
+
+	if (__clk_get_rate(hw->clk) == __clk_get_rate(dd->clk_bypass)) {
+		WARN_ON(parent != dd->clk_bypass);
+		r = _omap3_noncore_dpll_bypass(clk);
+	} else {
+		WARN_ON(parent != dd->clk_ref);
+		r = _omap3_noncore_dpll_lock(clk);
+	}
+
+	return r;
+}
+
+/**
+ * omap3_noncore_dpll_disable - instruct a DPLL to enter low-power stop
+ * @clk: pointer to a DPLL struct clk
+ *
+ * Instructs a non-CORE DPLL to enter low-power stop.  This function is
+ * intended for use in struct clkops.  No return value.
+ */
+void omap3_noncore_dpll_disable(struct clk_hw *hw)
+{
+	struct clk_hw_omap *clk = to_clk_hw_omap(hw);
+
+	_omap3_noncore_dpll_stop(clk);
+	if (clk->clkdm)
+		clkdm_clk_disable(clk->clkdm, hw->clk);
+}
+
+
+/* Non-CORE DPLL rate set code */
+
+/**
+ * omap3_noncore_dpll_set_rate - set non-core DPLL rate
+ * @clk: struct clk * of DPLL to set
+ * @rate: rounded target rate
+ *
+ * Set the DPLL CLKOUT to the target rate.  If the DPLL can enter
+ * low-power bypass, and the target rate is the bypass source clock
+ * rate, then configure the DPLL for bypass.  Otherwise, round the
+ * target rate if it hasn't been done already, then program and lock
+ * the DPLL.  Returns -EINVAL upon error, or 0 upon success.
+ */
+int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
+					unsigned long parent_rate)
+{
+	struct clk_hw_omap *clk = to_clk_hw_omap(hw);
+	struct clk *new_parent = NULL;
+	u16 freqsel = 0;
+	struct dpll_data *dd;
+	int ret;
+
+	if (!hw || !rate)
+		return -EINVAL;
+
+	dd = clk->dpll_data;
+	if (!dd)
+		return -EINVAL;
+
+	__clk_prepare(dd->clk_bypass);
+	clk_enable(dd->clk_bypass);
+	__clk_prepare(dd->clk_ref);
+	clk_enable(dd->clk_ref);
+
+	if (__clk_get_rate(dd->clk_bypass) == rate &&
+	    (dd->modes & (1 << DPLL_LOW_POWER_BYPASS))) {
+		pr_debug("%s: %s: set rate: entering bypass.\n",
+			 __func__, __clk_get_name(hw->clk));
+
+		ret = _omap3_noncore_dpll_bypass(clk);
+		if (!ret)
+			new_parent = dd->clk_bypass;
+	} else {
+		if (dd->last_rounded_rate != rate)
+			rate = __clk_round_rate(hw->clk, rate);
+
+		if (dd->last_rounded_rate == 0)
+			return -EINVAL;
+
+		/* No freqsel on OMAP4 and OMAP3630 */
+		if (!cpu_is_omap44xx() && !cpu_is_omap3630()) {
+			freqsel = _omap3_dpll_compute_freqsel(clk,
+						dd->last_rounded_n);
+			WARN_ON(!freqsel);
+		}
+
+		pr_debug("%s: %s: set rate: locking rate to %lu.\n",
+			 __func__, __clk_get_name(hw->clk), rate);
+
+		ret = omap3_noncore_dpll_program(clk, freqsel);
+		if (!ret)