diff options
Diffstat (limited to 'drivers/watchdog/kempld_wdt.c')
| -rw-r--r-- | drivers/watchdog/kempld_wdt.c | 49 |
1 files changed, 7 insertions, 42 deletions
diff --git a/drivers/watchdog/kempld_wdt.c b/drivers/watchdog/kempld_wdt.c index e268add43010..e6c7a2906680 100644 --- a/drivers/watchdog/kempld_wdt.c +++ b/drivers/watchdog/kempld_wdt.c @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Kontron PLD watchdog driver * * Copyright (c) 2010-2013 Kontron Europe GmbH * Author: Michael Brunner <michael.brunner@kontron.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License 2 as published - * by the Free Software Foundation. - * - * 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. - * * Note: From the PLD watchdog point of view timeout and pretimeout are * defined differently than in the kernel. * First the pretimeout stage runs out before the timeout stage gets @@ -83,9 +75,7 @@ struct kempld_wdt_data { struct watchdog_device wdd; unsigned int pretimeout; struct kempld_wdt_stage stage[KEMPLD_WDT_MAX_STAGES]; -#ifdef CONFIG_PM u8 pm_status_store; -#endif }; #define DEFAULT_TIMEOUT 30 /* seconds */ @@ -467,7 +457,7 @@ static int kempld_wdt_probe(struct platform_device *pdev) KEMPLD_WDT_CFG_GLOBAL_LOCK)) { if (!nowayout) dev_warn(dev, - "Forcing nowayout - watchdog lock enabled!\n"); + "Forcing nowayout - watchdog lock enabled!\n"); nowayout = true; } @@ -492,7 +482,9 @@ static int kempld_wdt_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, wdt_data); - ret = watchdog_register_device(wdd); + watchdog_stop_on_reboot(wdd); + watchdog_stop_on_unregister(wdd); + ret = devm_watchdog_register_device(dev, wdd); if (ret) return ret; @@ -501,27 +493,6 @@ static int kempld_wdt_probe(struct platform_device *pdev) return 0; } -static void kempld_wdt_shutdown(struct platform_device *pdev) -{ - struct kempld_wdt_data *wdt_data = platform_get_drvdata(pdev); - - kempld_wdt_stop(&wdt_data->wdd); -} - -static int kempld_wdt_remove(struct platform_device *pdev) -{ - struct kempld_wdt_data *wdt_data = platform_get_drvdata(pdev); - struct watchdog_device *wdd = &wdt_data->wdd; - int ret = 0; - - if (!nowayout) - ret = kempld_wdt_stop(wdd); - watchdog_unregister_device(wdd); - - return ret; -} - -#ifdef CONFIG_PM /* Disable watchdog if it is active during suspend */ static int kempld_wdt_suspend(struct platform_device *pdev, pm_message_t message) @@ -557,20 +528,14 @@ static int kempld_wdt_resume(struct platform_device *pdev) else return kempld_wdt_stop(wdd); } -#else -#define kempld_wdt_suspend NULL -#define kempld_wdt_resume NULL -#endif static struct platform_driver kempld_wdt_driver = { .driver = { .name = "kempld-wdt", }, .probe = kempld_wdt_probe, - .remove = kempld_wdt_remove, - .shutdown = kempld_wdt_shutdown, - .suspend = kempld_wdt_suspend, - .resume = kempld_wdt_resume, + .suspend = pm_ptr(kempld_wdt_suspend), + .resume = pm_ptr(kempld_wdt_resume), }; module_platform_driver(kempld_wdt_driver); |