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2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/drivers/regulator/as3711-regulator.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * AS3711 PMIC regulator driver, using DCDC Step Down and LDO supplies
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  *
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  * Copyright (C) 2012 Renesas Electronics Corporation
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  * Author: Guennadi Liakhovetski, <g.liakhovetski@gmx.de>
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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 version 2 of the GNU General Public License as
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- * published by the Free Software Foundation
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  */
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 #include <linux/err.h>
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@@ -19,14 +16,6 @@
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 #include <linux/regulator/driver.h>
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 #include <linux/regulator/of_regulator.h>
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 #include <linux/slab.h>
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-
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-struct as3711_regulator_info {
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-	struct regulator_desc	desc;
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-};
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-
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-struct as3711_regulator {
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-	struct as3711_regulator_info *reg_info;
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-};
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 /*
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  * The regulator API supports 4 modes of operataion: FAST, NORMAL, IDLE and
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@@ -114,25 +103,24 @@
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 	.map_voltage		= regulator_map_voltage_linear_range,
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 };
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-static const struct regulator_linear_range as3711_sd_ranges[] = {
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+static const struct linear_range as3711_sd_ranges[] = {
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 	REGULATOR_LINEAR_RANGE(612500, 0x1, 0x40, 12500),
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 	REGULATOR_LINEAR_RANGE(1425000, 0x41, 0x70, 25000),
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 	REGULATOR_LINEAR_RANGE(2650000, 0x71, 0x7f, 50000),
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 };
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-static const struct regulator_linear_range as3711_aldo_ranges[] = {
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+static const struct linear_range as3711_aldo_ranges[] = {
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 	REGULATOR_LINEAR_RANGE(1200000, 0, 0xf, 50000),
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 	REGULATOR_LINEAR_RANGE(1800000, 0x10, 0x1f, 100000),
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 };
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-static const struct regulator_linear_range as3711_dldo_ranges[] = {
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+static const struct linear_range as3711_dldo_ranges[] = {
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 	REGULATOR_LINEAR_RANGE(900000, 0, 0x10, 50000),
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 	REGULATOR_LINEAR_RANGE(1750000, 0x20, 0x3f, 50000),
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 };
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 #define AS3711_REG(_id, _en_reg, _en_bit, _vmask, _sfx)			   \
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 	[AS3711_REGULATOR_ ## _id] = {					   \
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-	.desc = {							   \
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 		.name = "as3711-regulator-" # _id,			   \
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 		.id = AS3711_REGULATOR_ ## _id,				   \
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 		.n_voltages = (_vmask + 1),				   \
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@@ -145,10 +133,9 @@
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 		.enable_mask = BIT(_en_bit),				   \
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 		.linear_ranges = as3711_ ## _sfx ## _ranges,		   \
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 		.n_linear_ranges = ARRAY_SIZE(as3711_ ## _sfx ## _ranges), \
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-	},								   \
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 }
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-static struct as3711_regulator_info as3711_reg_info[] = {
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+static const struct regulator_desc as3711_reg_desc[] = {
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 	AS3711_REG(SD_1, SD_CONTROL, 0, 0x7f, sd),
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 	AS3711_REG(SD_2, SD_CONTROL, 1, 0x7f, sd),
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 	AS3711_REG(SD_3, SD_CONTROL, 2, 0x7f, sd),
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@@ -164,7 +151,7 @@
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 	/* StepUp output voltage depends on supplying regulator */
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 };
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-#define AS3711_REGULATOR_NUM ARRAY_SIZE(as3711_reg_info)
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+#define AS3711_REGULATOR_NUM ARRAY_SIZE(as3711_reg_desc)
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 static struct of_regulator_match
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 as3711_regulator_matches[AS3711_REGULATOR_NUM] = {
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@@ -218,11 +205,8 @@
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 	struct as3711_regulator_pdata *pdata = dev_get_platdata(&pdev->dev);
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 	struct as3711 *as3711 = dev_get_drvdata(pdev->dev.parent);
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 	struct regulator_config config = {.dev = &pdev->dev,};
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-	struct as3711_regulator *reg = NULL;
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-	struct as3711_regulator *regs;
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 	struct device_node *of_node[AS3711_REGULATOR_NUM] = {};
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 	struct regulator_dev *rdev;
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-	struct as3711_regulator_info *ri;
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 	int ret;
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 	int id;
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@@ -239,30 +223,20 @@
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 		}
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 	}
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-	regs = devm_kcalloc(&pdev->dev,
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-			    AS3711_REGULATOR_NUM,
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-			    sizeof(struct as3711_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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-	for (id = 0, ri = as3711_reg_info; id < AS3711_REGULATOR_NUM; ++id, ri++) {
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-		reg = &regs[id];
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-		reg->reg_info = ri;
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-
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+	for (id = 0; id < AS3711_REGULATOR_NUM; id++) {
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 		config.init_data = pdata->init_data[id];
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-		config.driver_data = reg;
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 		config.regmap = as3711->regmap;
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 		config.of_node = of_node[id];
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-		rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
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+		rdev = devm_regulator_register(&pdev->dev, &as3711_reg_desc[id],
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+					       &config);
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 		if (IS_ERR(rdev)) {
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 			dev_err(&pdev->dev, "Failed to register regulator %s\n",
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-				ri->desc.name);
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+				as3711_reg_desc[id].name);
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 			return PTR_ERR(rdev);
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 		}
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 	}
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-	platform_set_drvdata(pdev, regs);
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+
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 	return 0;
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 }
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