diff options
Diffstat (limited to 'drivers/power/reset/tps65086-restart.c')
-rw-r--r-- | drivers/power/reset/tps65086-restart.c | 58 |
1 files changed, 9 insertions, 49 deletions
diff --git a/drivers/power/reset/tps65086-restart.c b/drivers/power/reset/tps65086-restart.c index ee8e9f4b837e..6976dbcac74f 100644 --- a/drivers/power/reset/tps65086-restart.c +++ b/drivers/power/reset/tps65086-restart.c @@ -9,22 +9,14 @@ #include <linux/platform_device.h> #include <linux/reboot.h> -struct tps65086_restart { - struct notifier_block handler; - struct device *dev; -}; - -static int tps65086_restart_notify(struct notifier_block *this, - unsigned long mode, void *cmd) +static int tps65086_restart_notify(struct sys_off_data *data) { - struct tps65086_restart *tps65086_restart = - container_of(this, struct tps65086_restart, handler); - 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; } @@ -39,44 +31,13 @@ static int tps65086_restart_notify(struct notifier_block *this, 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; - - platform_set_drvdata(pdev, tps65086_restart); - - tps65086_restart->handler.notifier_call = tps65086_restart_notify; - tps65086_restart->handler.priority = 192; - tps65086_restart->dev = &pdev->dev; - - ret = register_restart_handler(&tps65086_restart->handler); - if (ret) { - dev_err(&pdev->dev, "%s: cannot register restart handler: %d\n", - __func__, ret); - return -ENODEV; - } - - return 0; -} - -static void tps65086_restart_remove(struct platform_device *pdev) -{ - struct tps65086_restart *tps65086_restart = platform_get_drvdata(pdev); - int ret; + struct tps65086 *tps65086 = dev_get_drvdata(pdev->dev.parent); - ret = unregister_restart_handler(&tps65086_restart->handler); - if (ret) { - /* - * tps65086_restart_probe() registered the restart handler. So - * unregistering should work fine. Checking the error code - * shouldn't be needed, still doing it for completeness. - */ - dev_err(&pdev->dev, "%s: cannot unregister restart handler: %d\n", - __func__, ret); - } + 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[] = { @@ -90,7 +51,6 @@ static struct platform_driver tps65086_restart_driver = { .name = "tps65086-restart", }, .probe = tps65086_restart_probe, - .remove_new = tps65086_restart_remove, .id_table = tps65086_restart_id_table, }; module_platform_driver(tps65086_restart_driver); |