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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/power/supply/lp8788-charger.c
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@@ -1,14 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * TI LP8788 MFD - battery charger driver
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  *
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  * Copyright 2012 Texas Instruments
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  *
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  * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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8
  */
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9
 
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 #include <linux/err.h>
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@@ -410,30 +406,6 @@
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 	.get_property	= lp8788_battery_get_property,
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 };
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408
 
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-static int lp8788_psy_register(struct platform_device *pdev,
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-				struct lp8788_charger *pchg)
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-{
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-	struct power_supply_config charger_cfg = {};
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-
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-	charger_cfg.supplied_to = battery_supplied_to;
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-	charger_cfg.num_supplicants = ARRAY_SIZE(battery_supplied_to);
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-
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-	pchg->charger = power_supply_register(&pdev->dev,
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-					      &lp8788_psy_charger_desc,
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-					      &charger_cfg);
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-	if (IS_ERR(pchg->charger))
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-		return -EPERM;
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-
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-	pchg->battery = power_supply_register(&pdev->dev,
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-					      &lp8788_psy_battery_desc, NULL);
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-	if (IS_ERR(pchg->battery)) {
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-		power_supply_unregister(pchg->charger);
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-		return -EPERM;
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-	}
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-
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-	return 0;
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-}
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-
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 static void lp8788_psy_unregister(struct lp8788_charger *pchg)
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 {
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 	power_supply_unregister(pchg->battery);
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@@ -677,16 +649,39 @@
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 static DEVICE_ATTR(eoc_time, S_IRUSR, lp8788_show_eoc_time, NULL);
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 static DEVICE_ATTR(eoc_level, S_IRUSR, lp8788_show_eoc_level, NULL);
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-static struct attribute *lp8788_charger_attr[] = {
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+static struct attribute *lp8788_charger_sysfs_attrs[] = {
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 	&dev_attr_charger_status.attr,
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 	&dev_attr_eoc_time.attr,
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 	&dev_attr_eoc_level.attr,
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 	NULL,
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 };
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-static const struct attribute_group lp8788_attr_group = {
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-	.attrs = lp8788_charger_attr,
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-};
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+ATTRIBUTE_GROUPS(lp8788_charger_sysfs);
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+
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+static int lp8788_psy_register(struct platform_device *pdev,
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+				struct lp8788_charger *pchg)
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+{
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+	struct power_supply_config charger_cfg = {};
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+
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+	charger_cfg.attr_grp = lp8788_charger_sysfs_groups;
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+	charger_cfg.supplied_to = battery_supplied_to;
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+	charger_cfg.num_supplicants = ARRAY_SIZE(battery_supplied_to);
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+
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+	pchg->charger = power_supply_register(&pdev->dev,
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+					      &lp8788_psy_charger_desc,
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+					      &charger_cfg);
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+	if (IS_ERR(pchg->charger))
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+		return -EPERM;
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+
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+	pchg->battery = power_supply_register(&pdev->dev,
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+					      &lp8788_psy_battery_desc, NULL);
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+	if (IS_ERR(pchg->battery)) {
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+		power_supply_unregister(pchg->charger);
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+		return -EPERM;
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+	}
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+
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+	return 0;
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+}
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 static int lp8788_charger_probe(struct platform_device *pdev)
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 {
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@@ -713,12 +708,6 @@
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 	if (ret)
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 		return ret;
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-	ret = sysfs_create_group(&pdev->dev.kobj, &lp8788_attr_group);
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-	if (ret) {
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-		lp8788_psy_unregister(pchg);
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-		return ret;
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-	}
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-
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 	ret = lp8788_irq_register(pdev, pchg);
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 	if (ret)
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 		dev_warn(dev, "failed to register charger irq: %d\n", ret);
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@@ -732,7 +721,6 @@
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721
 
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 	flush_work(&pchg->charger_work);
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 	lp8788_irq_unregister(pdev, pchg);
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-	sysfs_remove_group(&pdev->dev.kobj, &lp8788_attr_group);
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 	lp8788_psy_unregister(pchg);
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 	return 0;