diff options
Diffstat (limited to 'drivers/watchdog/sbsa_gwdt.c')
| -rw-r--r-- | drivers/watchdog/sbsa_gwdt.c | 41 |
1 files changed, 6 insertions, 35 deletions
diff --git a/drivers/watchdog/sbsa_gwdt.c b/drivers/watchdog/sbsa_gwdt.c index e8bd9887c566..f0f1e3b2e463 100644 --- a/drivers/watchdog/sbsa_gwdt.c +++ b/drivers/watchdog/sbsa_gwdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * SBSA(Server Base System Architecture) Generic Watchdog driver * @@ -7,15 +8,6 @@ * Al Stone <al.stone@linaro.org> * Timur Tabi <timur@codeaurora.org> * - * 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. - * * ARM SBSA Generic Watchdog has two stage timeouts: * the first signal (WS0) is for alerting the system by interrupt, * the second one (WS1) is a real hardware reset. @@ -46,7 +38,6 @@ * by WOR, in the single stage mode, the timeout is (WOR * 2); in the two * stages mode, the timeout is WOR. The maximum timeout in the two stages mode * is half of that in the single stage mode. - * */ #include <linux/io.h> @@ -161,7 +152,7 @@ static unsigned int sbsa_gwdt_get_timeleft(struct watchdog_device *wdd) timeleft += readl(gwdt->control_base + SBSA_GWDT_WOR); timeleft += lo_hi_readq(gwdt->control_base + SBSA_GWDT_WCV) - - arch_counter_get_cntvct(); + arch_timer_read_counter(); do_div(timeleft, gwdt->clk); @@ -231,7 +222,6 @@ static int sbsa_gwdt_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct watchdog_device *wdd; struct sbsa_gwdt *gwdt; - struct resource *res; int ret, irq; u32 status; @@ -240,13 +230,11 @@ static int sbsa_gwdt_probe(struct platform_device *pdev) return -ENOMEM; platform_set_drvdata(pdev, gwdt); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - cf_base = devm_ioremap_resource(dev, res); + cf_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(cf_base)) return PTR_ERR(cf_base); - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - rf_base = devm_ioremap_resource(dev, res); + rf_base = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(rf_base)) return PTR_ERR(rf_base); @@ -313,7 +301,8 @@ static int sbsa_gwdt_probe(struct platform_device *pdev) */ sbsa_gwdt_set_timeout(wdd, wdd->timeout); - ret = watchdog_register_device(wdd); + watchdog_stop_on_reboot(wdd); + ret = devm_watchdog_register_device(dev, wdd); if (ret) return ret; @@ -324,22 +313,6 @@ static int sbsa_gwdt_probe(struct platform_device *pdev) return 0; } -static void sbsa_gwdt_shutdown(struct platform_device *pdev) -{ - struct sbsa_gwdt *gwdt = platform_get_drvdata(pdev); - - sbsa_gwdt_stop(&gwdt->wdd); -} - -static int sbsa_gwdt_remove(struct platform_device *pdev) -{ - struct sbsa_gwdt *gwdt = platform_get_drvdata(pdev); - - watchdog_unregister_device(&gwdt->wdd); - - return 0; -} - /* Disable watchdog if it is active during suspend */ static int __maybe_unused sbsa_gwdt_suspend(struct device *dev) { @@ -385,8 +358,6 @@ static struct platform_driver sbsa_gwdt_driver = { .of_match_table = sbsa_gwdt_of_match, }, .probe = sbsa_gwdt_probe, - .remove = sbsa_gwdt_remove, - .shutdown = sbsa_gwdt_shutdown, .id_table = sbsa_gwdt_pdev_match, }; |