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Diffstat (limited to 'drivers/watchdog/mpc8xxx_wdt.c')
-rw-r--r--drivers/watchdog/mpc8xxx_wdt.c26
1 files changed, 5 insertions, 21 deletions
diff --git a/drivers/watchdog/mpc8xxx_wdt.c b/drivers/watchdog/mpc8xxx_wdt.c
index 069072e6747d..b6ffad421bd0 100644
--- a/drivers/watchdog/mpc8xxx_wdt.c
+++ b/drivers/watchdog/mpc8xxx_wdt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* mpc8xxx_wdt.c - MPC8xx/MPC83xx/MPC86xx watchdog userspace interface
*
@@ -10,11 +11,6 @@
*
* Note: it appears that you can only actually ENABLE or DISABLE the thing
* once after POR. Once enabled, you cannot disable, and vice versa.
- *
- * 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/fs.h>
@@ -149,8 +145,7 @@ static int mpc8xxx_wdt_probe(struct platform_device *ofdev)
if (!ddata)
return -ENOMEM;
- res = platform_get_resource(ofdev, IORESOURCE_MEM, 0);
- ddata->base = devm_ioremap_resource(dev, res);
+ ddata->base = devm_platform_ioremap_resource(ofdev, 0);
if (IS_ERR(ddata->base))
return PTR_ERR(ddata->base);
@@ -205,9 +200,10 @@ static int mpc8xxx_wdt_probe(struct platform_device *ofdev)
if (ddata->wdd.timeout < ddata->wdd.min_timeout)
ddata->wdd.timeout = ddata->wdd.min_timeout;
- ret = watchdog_register_device(&ddata->wdd);
+ ret = devm_watchdog_register_device(dev, &ddata->wdd);
if (ret) {
- dev_err(dev, "cannot register watchdog device (err=%d)\n", ret);
+ dev_err(dev, "cannot register watchdog device (err=%d)\n",
+ ret);
return ret;
}
@@ -219,17 +215,6 @@ static int mpc8xxx_wdt_probe(struct platform_device *ofdev)
return 0;
}
-static int mpc8xxx_wdt_remove(struct platform_device *ofdev)
-{
- struct mpc8xxx_wdt_ddata *ddata = platform_get_drvdata(ofdev);
-
- dev_crit(&ofdev->dev, "Watchdog removed, expect the %s soon!\n",
- reset ? "reset" : "machine check exception");
- watchdog_unregister_device(&ddata->wdd);
-
- return 0;
-}
-
static const struct of_device_id mpc8xxx_wdt_match[] = {
{
.compatible = "mpc83xx_wdt",
@@ -260,7 +245,6 @@ MODULE_DEVICE_TABLE(of, mpc8xxx_wdt_match);
static struct platform_driver mpc8xxx_wdt_driver = {
.probe = mpc8xxx_wdt_probe,
- .remove = mpc8xxx_wdt_remove,
.driver = {
.name = "mpc8xxx_wdt",
.of_match_table = mpc8xxx_wdt_match,