diff options
Diffstat (limited to 'drivers/watchdog/ts72xx_wdt.c')
| -rw-r--r-- | drivers/watchdog/ts72xx_wdt.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/watchdog/ts72xx_wdt.c b/drivers/watchdog/ts72xx_wdt.c index 811e43c39ec4..ac709dc31a65 100644 --- a/drivers/watchdog/ts72xx_wdt.c +++ b/drivers/watchdog/ts72xx_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Watchdog driver for Technologic Systems TS-72xx based SBCs * (TS-7200, TS-7250 and TS-7260). These boards have external @@ -8,12 +9,10 @@ * * This driver is based on ep93xx_wdt and wm831x_wdt drivers. * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/platform_device.h> +#include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/watchdog.h> #include <linux/io.h> @@ -122,22 +121,20 @@ static const struct watchdog_ops ts72xx_wdt_ops = { static int ts72xx_wdt_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct ts72xx_wdt_priv *priv; struct watchdog_device *wdd; - struct resource *res; int ret; - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - priv->control_reg = devm_ioremap_resource(&pdev->dev, res); + priv->control_reg = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->control_reg)) return PTR_ERR(priv->control_reg); - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - priv->feed_reg = devm_ioremap_resource(&pdev->dev, res); + priv->feed_reg = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(priv->feed_reg)) return PTR_ERR(priv->feed_reg); @@ -146,28 +143,35 @@ static int ts72xx_wdt_probe(struct platform_device *pdev) wdd->ops = &ts72xx_wdt_ops; wdd->min_timeout = 1; wdd->max_hw_heartbeat_ms = 8000; - wdd->parent = &pdev->dev; + wdd->parent = dev; watchdog_set_nowayout(wdd, nowayout); wdd->timeout = TS72XX_WDT_DEFAULT_TIMEOUT; - watchdog_init_timeout(wdd, timeout, &pdev->dev); + watchdog_init_timeout(wdd, timeout, dev); watchdog_set_drvdata(wdd, priv); - ret = devm_watchdog_register_device(&pdev->dev, wdd); + ret = devm_watchdog_register_device(dev, wdd); if (ret) return ret; - dev_info(&pdev->dev, "TS-72xx Watchdog driver\n"); + dev_info(dev, "TS-72xx Watchdog driver\n"); return 0; } +static const struct of_device_id ts72xx_wdt_of_ids[] = { + { .compatible = "technologic,ts7200-wdt" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, ts72xx_wdt_of_ids); + static struct platform_driver ts72xx_wdt_driver = { .probe = ts72xx_wdt_probe, .driver = { .name = "ts72xx-wdt", + .of_match_table = ts72xx_wdt_of_ids, }, }; |