修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/drivers/watchdog/xen_wdt.c
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@@ -1,12 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *	Xen Watchdog Driver
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  *
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  *	(c) Copyright 2010 Novell, Inc.
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- *
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- *	This program is free software; you can redistribute it and/or
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- *	modify it under the terms of the GNU General Public License
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- *	as published by the Free Software Foundation; either version
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- *	2 of the License, or (at your option) any later version.
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  */
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 #define DRV_NAME	"xen_wdt"
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@@ -122,35 +118,31 @@
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118
 
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 static int xen_wdt_probe(struct platform_device *pdev)
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 {
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+	struct device *dev = &pdev->dev;
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 	struct sched_watchdog wd = { .id = ~0 };
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 	int ret = HYPERVISOR_sched_op(SCHEDOP_watchdog, &wd);
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124
 
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 	if (ret == -ENOSYS) {
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-		dev_err(&pdev->dev, "watchdog not supported by hypervisor\n");
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+		dev_err(dev, "watchdog not supported by hypervisor\n");
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 		return -ENODEV;
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 	}
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 	if (ret != -EINVAL) {
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-		dev_err(&pdev->dev, "unexpected hypervisor error (%d)\n", ret);
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+		dev_err(dev, "unexpected hypervisor error (%d)\n", ret);
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 		return -ENODEV;
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 	}
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-	if (watchdog_init_timeout(&xen_wdt_dev, timeout, NULL))
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-		dev_info(&pdev->dev, "timeout value invalid, using %d\n",
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-			xen_wdt_dev.timeout);
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+	watchdog_init_timeout(&xen_wdt_dev, timeout, NULL);
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 	watchdog_set_nowayout(&xen_wdt_dev, nowayout);
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 	watchdog_stop_on_reboot(&xen_wdt_dev);
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 	watchdog_stop_on_unregister(&xen_wdt_dev);
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-	ret = devm_watchdog_register_device(&pdev->dev, &xen_wdt_dev);
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-	if (ret) {
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-		dev_err(&pdev->dev, "cannot register watchdog device (%d)\n",
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-			ret);
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+	ret = devm_watchdog_register_device(dev, &xen_wdt_dev);
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+	if (ret)
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 		return ret;
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-	}
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-	dev_info(&pdev->dev, "initialized (timeout=%ds, nowayout=%d)\n",
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-		xen_wdt_dev.timeout, nowayout);
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+	dev_info(dev, "initialized (timeout=%ds, nowayout=%d)\n",
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+		 xen_wdt_dev.timeout, nowayout);
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 	return 0;
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 }