waterDataStatistics alarmDataOperation.c 朱涛 commit at 2020-10-16

waterDataStatistics/databaseOperation/alarmDataOperation.c

@@ -824,3 +824,124 @@ static int _init_opt_clks(struct omap_hwmod *oh)
 		oc->_clk = c;
 		/*
 		 * HACK: This needs a re-visit once clk_prepare() is implemented
+		 * to do something meaningful. Today its just a no-op.
+		 * If clk_prepare() is used at some point to do things like
+		 * voltage scaling etc, then this would have to be moved to
+		 * some point where subsystems like i2c and pmic become
+		 * available.
+		 */
+		clk_prepare(oc->_clk);
+	}
+
+	return ret;
+}
+
+/**
+ * _enable_clocks - enable hwmod main clock and interface clocks
+ * @oh: struct omap_hwmod *
+ *
+ * Enables all clocks necessary for register reads and writes to succeed
+ * on the hwmod @oh.  Returns 0.
+ */
+static int _enable_clocks(struct omap_hwmod *oh)
+{
+	struct omap_hwmod_ocp_if *os;
+	struct list_head *p;
+	int i = 0;
+
+	pr_debug("omap_hwmod: %s: enabling clocks\n", oh->name);
+
+	if (oh->_clk)
+		clk_enable(oh->_clk);
+
+	p = oh->slave_ports.next;
+
+	while (i < oh->slaves_cnt) {
+		os = _fetch_next_ocp_if(&p, &i);
+
+		if (os->_clk && (os->flags & OCPIF_SWSUP_IDLE))
+			clk_enable(os->_clk);
+	}
+
+	/* The opt clocks are controlled by the device driver. */
+
+	return 0;
+}
+
+/**
+ * _disable_clocks - disable hwmod main clock and interface clocks
+ * @oh: struct omap_hwmod *
+ *
+ * Disables the hwmod @oh main functional and interface clocks.  Returns 0.
+ */
+static int _disable_clocks(struct omap_hwmod *oh)
+{
+	struct omap_hwmod_ocp_if *os;
+	struct list_head *p;
+	int i = 0;
+
+	pr_debug("omap_hwmod: %s: disabling clocks\n", oh->name);
+
+	if (oh->_clk)
+		clk_disable(oh->_clk);
+
+	p = oh->slave_ports.next;
+
+	while (i < oh->slaves_cnt) {
+		os = _fetch_next_ocp_if(&p, &i);
+
+		if (os->_clk && (os->flags & OCPIF_SWSUP_IDLE))
+			clk_disable(os->_clk);
+	}
+
+	/* The opt clocks are controlled by the device driver. */
+
+	return 0;
+}
+
+static void _enable_optional_clocks(struct omap_hwmod *oh)
+{
+	struct omap_hwmod_opt_clk *oc;
+	int i;
+
+	pr_debug("omap_hwmod: %s: enabling optional clocks\n", oh->name);
+
+	for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++)
+		if (oc->_clk) {
+			pr_debug("omap_hwmod: enable %s:%s\n", oc->role,
+				 __clk_get_name(oc->_clk));
+			clk_enable(oc->_clk);
+		}
+}
+
+static void _disable_optional_clocks(struct omap_hwmod *oh)
+{
+	struct omap_hwmod_opt_clk *oc;
+	int i;
+
+	pr_debug("omap_hwmod: %s: disabling optional clocks\n", oh->name);
+
+	for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++)
+		if (oc->_clk) {
+			pr_debug("omap_hwmod: disable %s:%s\n", oc->role,
+				 __clk_get_name(oc->_clk));
+			clk_disable(oc->_clk);
+		}
+}
+
+/**
+ * _omap4_enable_module - enable CLKCTRL modulemode on OMAP4
+ * @oh: struct omap_hwmod *
+ *
+ * Enables the PRCM module mode related to the hwmod @oh.
+ * No return value.
+ */
+static void _omap4_enable_module(struct omap_hwmod *oh)
+{
+	if (!oh->clkdm || !oh->prcm.omap4.modulemode)
+		return;
+
+	pr_debug("omap_hwmod: %s: %s: %d\n",
+		 oh->name, __func__, oh->prcm.omap4.modulemode);
+
+	omap4_cminst_module_enable(oh->prcm.omap4.modulemode,