summaryrefslogtreecommitdiff
path: root/drivers/power/reset/axxia-reset.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/power/reset/axxia-reset.c')
-rw-r--r--drivers/power/reset/axxia-reset.c34
1 files changed, 8 insertions, 26 deletions
diff --git a/drivers/power/reset/axxia-reset.c b/drivers/power/reset/axxia-reset.c
index b16013265142..797bf6773860 100644
--- a/drivers/power/reset/axxia-reset.c
+++ b/drivers/power/reset/axxia-reset.c
@@ -1,17 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Reset driver for Axxia devices
*
* Copyright (C) 2014 LSI
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 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.
- *
*/
#include <linux/init.h>
#include <linux/err.h>
@@ -35,11 +26,10 @@
#define SC_EFUSE_INT_STATUS 0x180c
#define EFUSE_READ_DONE (1<<31)
-static struct regmap *syscon;
-
-static int axxia_restart_handler(struct notifier_block *this,
- unsigned long mode, void *cmd)
+static int axxia_restart_handler(struct sys_off_data *data)
{
+ struct regmap *syscon = data->cb_data;
+
/* Access Key (0xab) */
regmap_write(syscon, SC_CRIT_WRITE_KEY, 0xab);
/* Select internal boot from 0xffff0000 */
@@ -53,14 +43,10 @@ static int axxia_restart_handler(struct notifier_block *this,
return NOTIFY_DONE;
}
-static struct notifier_block axxia_restart_nb = {
- .notifier_call = axxia_restart_handler,
- .priority = 128,
-};
-
static int axxia_reset_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
+ struct regmap *syscon;
int err;
syscon = syscon_regmap_lookup_by_phandle(dev->of_node, "syscon");
@@ -69,7 +55,8 @@ static int axxia_reset_probe(struct platform_device *pdev)
return PTR_ERR(syscon);
}
- err = register_restart_handler(&axxia_restart_nb);
+ err = devm_register_sys_off_handler(&pdev->dev, SYS_OFF_MODE_RESTART,
+ 128, axxia_restart_handler, syscon);
if (err)
dev_err(dev, "cannot register restart handler (err=%d)\n", err);
@@ -89,9 +76,4 @@ static struct platform_driver axxia_reset_driver = {
.of_match_table = of_match_ptr(of_axxia_reset_match),
},
};
-
-static int __init axxia_reset_init(void)
-{
- return platform_driver_register(&axxia_reset_driver);
-}
-device_initcall(axxia_reset_init);
+builtin_platform_driver(axxia_reset_driver);