diff options
Diffstat (limited to 'drivers/watchdog/meson_wdt.c')
| -rw-r--r-- | drivers/watchdog/meson_wdt.c | 33 |
1 files changed, 11 insertions, 22 deletions
diff --git a/drivers/watchdog/meson_wdt.c b/drivers/watchdog/meson_wdt.c index cd0275a6cdac..497496f64f55 100644 --- a/drivers/watchdog/meson_wdt.c +++ b/drivers/watchdog/meson_wdt.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Meson Watchdog Driver * * Copyright (c) 2014 Carlo Caione - * - * 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. */ #include <linux/clk.h> @@ -15,11 +11,11 @@ #include <linux/init.h> #include <linux/io.h> #include <linux/kernel.h> +#include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/moduleparam.h> -#include <linux/of.h> -#include <linux/of_device.h> #include <linux/platform_device.h> +#include <linux/property.h> #include <linux/types.h> #include <linux/watchdog.h> @@ -164,28 +160,21 @@ MODULE_DEVICE_TABLE(of, meson_wdt_dt_ids); static int meson_wdt_probe(struct platform_device *pdev) { - struct resource *res; + struct device *dev = &pdev->dev; struct meson_wdt_dev *meson_wdt; - const struct of_device_id *of_id; int err; - meson_wdt = devm_kzalloc(&pdev->dev, sizeof(*meson_wdt), GFP_KERNEL); + meson_wdt = devm_kzalloc(dev, sizeof(*meson_wdt), GFP_KERNEL); if (!meson_wdt) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - meson_wdt->wdt_base = devm_ioremap_resource(&pdev->dev, res); + meson_wdt->wdt_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(meson_wdt->wdt_base)) return PTR_ERR(meson_wdt->wdt_base); - of_id = of_match_device(meson_wdt_dt_ids, &pdev->dev); - if (!of_id) { - dev_err(&pdev->dev, "Unable to initialize WDT data\n"); - return -ENODEV; - } - meson_wdt->data = of_id->data; + meson_wdt->data = device_get_match_data(dev); - meson_wdt->wdt_dev.parent = &pdev->dev; + meson_wdt->wdt_dev.parent = dev; meson_wdt->wdt_dev.info = &meson_wdt_info; meson_wdt->wdt_dev.ops = &meson_wdt_ops; meson_wdt->wdt_dev.max_timeout = @@ -197,18 +186,18 @@ static int meson_wdt_probe(struct platform_device *pdev) watchdog_set_drvdata(&meson_wdt->wdt_dev, meson_wdt); - watchdog_init_timeout(&meson_wdt->wdt_dev, timeout, &pdev->dev); + watchdog_init_timeout(&meson_wdt->wdt_dev, timeout, dev); watchdog_set_nowayout(&meson_wdt->wdt_dev, nowayout); watchdog_set_restart_priority(&meson_wdt->wdt_dev, 128); meson_wdt_stop(&meson_wdt->wdt_dev); watchdog_stop_on_reboot(&meson_wdt->wdt_dev); - err = devm_watchdog_register_device(&pdev->dev, &meson_wdt->wdt_dev); + err = devm_watchdog_register_device(dev, &meson_wdt->wdt_dev); if (err) return err; - dev_info(&pdev->dev, "Watchdog enabled (timeout=%d sec, nowayout=%d)", + dev_info(dev, "Watchdog enabled (timeout=%d sec, nowayout=%d)", meson_wdt->wdt_dev.timeout, nowayout); return 0; |