efDataDiscreteRateMining calculationOfAverageTemperature.c 袁明明 commit at 2020-11-03

efDataDiscreteRateMining/averageCalculation/calculationOfAverageTemperature.c

@@ -0,0 +1,156 @@
+/* linux/arch/arm/plat-s3c24xx/clock.c
+ *
+ * Copyright 2004-2005 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C24XX Core clock control support
+ *
+ * Based on, and code from linux/arch/arm/mach-versatile/clock.c
+ **
+ **  Copyright (C) 2004 ARM Limited.
+ **  Written by Deep Blue Solutions Limited.
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/clk.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#if defined(CONFIG_DEBUG_FS)
+#include <linux/debugfs.h>
+#endif
+
+#include <mach/hardware.h>
+#include <asm/irq.h>
+
+#include <plat/cpu-freq.h>
+
+#include <plat/clock.h>
+#include <plat/cpu.h>
+
+#include <linux/serial_core.h>
+#include <plat/regs-serial.h> /* for s3c24xx_uart_devs */
+
+/* clock information */
+
+static LIST_HEAD(clocks);
+
+/* We originally used an mutex here, but some contexts (see resume)
+ * are calling functions such as clk_set_parent() with IRQs disabled
+ * causing an BUG to be triggered.
+ */
+DEFINE_SPINLOCK(clocks_lock);
+
+/* Global watchdog clock used by arch_wtd_reset() callback */
+struct clk *s3c2410_wdtclk;
+static int __init s3c_wdt_reset_init(void)
+{
+	s3c2410_wdtclk = clk_get(NULL, "watchdog");
+	if (IS_ERR(s3c2410_wdtclk))
+		printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__);
+	return 0;
+}
+arch_initcall(s3c_wdt_reset_init);
+
+/* enable and disable calls for use with the clk struct */
+
+static int clk_null_enable(struct clk *clk, int enable)
+{
+	return 0;
+}
+
+int clk_enable(struct clk *clk)
+{
+	unsigned long flags;
+
+	if (IS_ERR(clk) || clk == NULL)
+		return -EINVAL;
+
+	clk_enable(clk->parent);
+
+	spin_lock_irqsave(&clocks_lock, flags);
+
+	if ((clk->usage++) == 0)
+		(clk->enable)(clk, 1);
+
+	spin_unlock_irqrestore(&clocks_lock, flags);
+	return 0;
+}
+
+void clk_disable(struct clk *clk)
+{
+	unsigned long flags;
+
+	if (IS_ERR(clk) || clk == NULL)
+		return;
+
+	spin_lock_irqsave(&clocks_lock, flags);
+
+	if ((--clk->usage) == 0)
+		(clk->enable)(clk, 0);
+
+	spin_unlock_irqrestore(&clocks_lock, flags);
+	clk_disable(clk->parent);
+}
+
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+	if (IS_ERR_OR_NULL(clk))
+		return 0;
+
+	if (clk->rate != 0)
+		return clk->rate;
+
+	if (clk->ops != NULL && clk->ops->get_rate != NULL)
+		return (clk->ops->get_rate)(clk);
+
+	if (clk->parent != NULL)
+		return clk_get_rate(clk->parent);
+
+	return clk->rate;
+}
+
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+	if (!IS_ERR_OR_NULL(clk) && clk->ops && clk->ops->round_rate)
+		return (clk->ops->round_rate)(clk, rate);
+
+	return rate;
+}
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+	unsigned long flags;
+	int ret;
+
+	if (IS_ERR_OR_NULL(clk))
+		return -EINVAL;
+
+	/* We do not default just do a clk->rate = rate as
+	 * the clock may have been made this way by choice.
+	 */
+