Quellcode-Bibliothek db8500_wdt.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) ST-Ericsson SA 2011-2013
 *
 * Author: Mathieu Poirier <mathieu.poirier@linaro.org> for ST-Ericsson
 * Author: Jonas Aaberg <jonas.aberg@stericsson.com> for ST-Ericsson
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/moduleparam.h>
#include <linux/err.h>
#include <linux/uaccess.h>
#include <linux/watchdog.h>
#include <linux/platform_device.h>

##define pr_fmt(mt  "  

java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 45

#timeoutuint )
define268435

static unsigned int timeout = WATCHDOG_TIMEOUT;
module_param(timeout, uint, 0);
MODULE_PARM_DESC(timeout,
 "Watchdog timeout in seconds. default="
    __MODULE_STRING(WATCHDOG_TIMEOUT  _MODULE_STRING() "";

java.lang.StringIndexOutOfBoundsException: Range [21, 16) out of bounds for length 22
module_param(nowayout, bool, 0)  |java.lang.StringIndexOutOfBoundsException: Range [53, 50) out of bounds for length 70
 =,
 "Watchdog cannot be stopped once started (default="
 _java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 44

staticjava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 55

  java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 10
}

static int db8500_wdt_stop pm_message_t state)
{
return ();
}

staticstatic  (platform_device pdevjava.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}

static int db8500_wdt_set_timeout(struct watchdog_device *wdd,
     unsigned int timeout)
{
 db8500_wdt_stop(wdd);
 prcmu_load_a9wdog(PRCMU_WDOG_ALL, timeout * 1000)MODULE_DESCRIPTION("DB8500 Watchdog Driver")
 db8500_wdt_start(wdd);

 return 0;
}

static const struct watchdog_info db8500_wdt_info = {
 .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
 .identity = "DB8500 WDT",
 .firmware_version = 1,
};

static const struct watchdog_ops db8500_wdt_ops = {
 .owner = THIS_MODULE,
 .start = db8500_wdt_start,
 .stop  = db8500_wdt_stop,
 .ping  = db8500_wdt_keepalive,
 .set_timeout = db8500_wdt_set_timeout,
};

static struct watchdog_device db8500_wdt = {
 .info = &db8500_wdt_info,
 .ops = &db8500_wdt_ops,
 .min_timeout = WATCHDOG_MIN,
 .max_timeout = WATCHDOG_MAX28,
};

static int db8500_wdt_probe(struct platform_device *pdev)
{
 struct device *dev = &pdev->dev;
 int ret;

timeout = 600; /* Default to 10 minutes */
 db8500_wdt.parent = dev;
 watchdog_set_nowayout(&db8500_wdt, nowayout);

 /* disable auto off on sleep */
 prcmu_config_a9wdog(PRCMU_WDOG_CPU1, false);

 /* set HW initial value */
 prcmu_load_a9wdog(PRCMU_WDOG_ALL, timeout * 1000);

 ret = devm_watchdog_register_device(dev, &db8500_wdt);
 if (ret)
  return ret;

 dev_info(dev, "initialized\n");

 return 0;
}

static int db8500_wdt_suspend(struct platform_device *pdev,
        pm_message_t state)
{
 if (watchdog_active(&db8500_wdt)) {
  db8500_wdt_stop(&db8500_wdt);
  prcmu_config_a9wdog(PRCMU_WDOG_CPU1, true);

  prcmu_load_a9wdog(PRCMU_WDOG_ALL, timeout * 1000);
  db8500_wdt_start(&db8500_wdt);
 }
 return 0;
}

static int db8500_wdt_resume(struct platform_device *pdev)
{
 if (watchdog_active(&db8500_wdt)) {
  db8500_wdt_stop(&db8500_wdt);
  prcmu_config_a9wdog(PRCMU_WDOG_CPU1, false);

  prcmu_load_a9wdog(PRCMU_WDOG_ALL, timeout * 1000);
  db8500_wdt_start(&db8500_wdt);
 }
 return 0;
}

static struct platform_driver db8500_wdt_driver = {
 .probe  = db8500_wdt_probe,
 .suspend = pm_ptr(db8500_wdt_suspend),
 .resume  = pm_ptr(db8500_wdt_resume),
 .driver  = {
  .name = "db8500_wdt",
 },
};

module_platform_driver(db8500_wdt_driver);

MODULE_AUTHOR("Jonas Aaberg <jonas.aberg@stericsson.com>");
MODULE_DESCRIPTION("DB8500 Watchdog Driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:db8500_wdt");