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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/regulator/rc5t583-regulator.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Regulator driver for RICOH RC5T583 power management chip.
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  *
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@@ -6,20 +7,6 @@
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  *
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  * based on code
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  *      Copyright (C) 2011 RICOH COMPANY,LTD
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- *
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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- *
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  */
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11
 
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 #include <linux/module.h>
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@@ -47,18 +34,13 @@
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 	struct regulator_desc	desc;
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 };
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-struct rc5t583_regulator {
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-	struct rc5t583_regulator_info *reg_info;
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-	struct regulator_dev	*rdev;
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-};
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-
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 static int rc5t583_regulator_enable_time(struct regulator_dev *rdev)
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 {
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-	struct rc5t583_regulator *reg = rdev_get_drvdata(rdev);
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+	struct rc5t583_regulator_info *reg_info = rdev_get_drvdata(rdev);
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 	int vsel = regulator_get_voltage_sel_regmap(rdev);
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 	int curr_uV = regulator_list_voltage_linear(rdev, vsel);
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-	return DIV_ROUND_UP(curr_uV, reg->reg_info->enable_uv_per_us);
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+	return DIV_ROUND_UP(curr_uV, reg_info->enable_uv_per_us);
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 }
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 static const struct regulator_ops rc5t583_ops = {
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@@ -120,8 +102,6 @@
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 	struct rc5t583 *rc5t583 = dev_get_drvdata(pdev->dev.parent);
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 	struct rc5t583_platform_data *pdata = dev_get_platdata(rc5t583->dev);
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 	struct regulator_config config = { };
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-	struct rc5t583_regulator *reg = NULL;
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-	struct rc5t583_regulator *regs;
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 	struct regulator_dev *rdev;
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 	struct rc5t583_regulator_info *ri;
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 	int ret;
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@@ -132,18 +112,8 @@
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 		return -ENODEV;
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 	}
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-	regs = devm_kcalloc(&pdev->dev,
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-			    RC5T583_REGULATOR_MAX,
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-			    sizeof(struct rc5t583_regulator),
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-			    GFP_KERNEL);
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-	if (!regs)
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-		return -ENOMEM;
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-
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-
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 	for (id = 0; id < RC5T583_REGULATOR_MAX; ++id) {
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-		reg = &regs[id];
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 		ri = &rc5t583_reg_info[id];
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-		reg->reg_info = ri;
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 		if (ri->deepsleep_id == RC5T583_DS_NONE)
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 			goto skip_ext_pwr_config;
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@@ -163,7 +133,7 @@
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 skip_ext_pwr_config:
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 		config.dev = &pdev->dev;
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 		config.init_data = pdata->reg_init_data[id];
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-		config.driver_data = reg;
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+		config.driver_data = ri;
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 		config.regmap = rc5t583->regmap;
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 		rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
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@@ -172,9 +142,7 @@
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 						ri->desc.name);
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 			return PTR_ERR(rdev);
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 		}
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-		reg->rdev = rdev;
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 	}
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-	platform_set_drvdata(pdev, regs);
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 	return 0;
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 }
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