power: reset: tps65086-restart: Remove unneeded device data struct

We only need one member of the struct tps65086_restart, pass that
tps65086_restart_notify() directly. Remove that struct and its
allocation.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240212162831.67838-7-afd@ti.comSigned-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

drivers/power/reset/tps65086-restart.c

@@ -9,19 +9,14 @@
 #include <linux/platform_device.h>
 #include <linux/reboot.h>
 
-struct tps65086_restart {
-	struct device *dev;
-};
-
 static int tps65086_restart_notify(struct sys_off_data *data)
 {
-	struct tps65086_restart *tps65086_restart = data->cb_data;
-	struct tps65086 *tps65086 = dev_get_drvdata(tps65086_restart->dev->parent);
+	struct tps65086 *tps65086 = data->cb_data;
 	int ret;
 
 	ret = regmap_write(tps65086->regmap, TPS65086_FORCESHUTDN, 1);
 	if (ret) {
-		dev_err(tps65086_restart->dev, "%s: error writing to tps65086 pmic: %d\n",
+		dev_err(tps65086->dev, "%s: error writing to tps65086 pmic: %d\n",
 			__func__, ret);
 		return NOTIFY_DONE;
 	}
@@ -36,27 +31,13 @@ static int tps65086_restart_notify(struct sys_off_data *data)
 
 static int tps65086_restart_probe(struct platform_device *pdev)
 {
-	struct tps65086_restart *tps65086_restart;
-	int ret;
-
-	tps65086_restart = devm_kzalloc(&pdev->dev, sizeof(*tps65086_restart), GFP_KERNEL);
-	if (!tps65086_restart)
-		return -ENOMEM;
-
-	tps65086_restart->dev = &pdev->dev;
-
-	ret = devm_register_sys_off_handler(&pdev->dev,
-					    SYS_OFF_MODE_RESTART,
-					    SYS_OFF_PRIO_HIGH,
-					    tps65086_restart_notify,
-					    tps65086_restart);
-	if (ret) {
-		dev_err(&pdev->dev, "%s: cannot register restart handler: %d\n",
-			__func__, ret);
-		return -ENODEV;
-	}
+	struct tps65086 *tps65086 = dev_get_drvdata(pdev->dev.parent);
 
-	return 0;
+	return devm_register_sys_off_handler(&pdev->dev,
+					     SYS_OFF_MODE_RESTART,
+					     SYS_OFF_PRIO_HIGH,
+					     tps65086_restart_notify,
+					     tps65086);
 }
 
 static const struct platform_device_id tps65086_restart_id_table[] = {