change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/drivers/mfd/da9063-core.c
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@@ -1,16 +1,12 @@
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+// SPDX-License-Identifier: GPL-2.0+
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 /*
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- * da9063-core.c: Device access for Dialog DA9063 modules
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+ * Device access for Dialog DA9063 modules
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  *
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  * Copyright 2012 Dialog Semiconductors Ltd.
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  * Copyright 2013 Philipp Zabel, Pengutronix
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  *
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  * Author: Krystian Garbaciak, Dialog Semiconductor
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  * Author: Michal Hajduk, Dialog Semiconductor
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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 of  the GNU General  Public License as published by the
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- *  Free Software Foundation;  either version 2 of the  License, or (at your
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- *  option) any later version.
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  *
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  */
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..
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@@ -26,7 +22,6 @@
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 #include <linux/regmap.h>
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 #include <linux/mfd/da9063/core.h>
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-#include <linux/mfd/da9063/pdata.h>
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 #include <linux/mfd/da9063/registers.h>
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 #include <linux/proc_fs.h>
..
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@@ -165,61 +160,15 @@
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 int da9063_device_init(struct da9063 *da9063, unsigned int irq)
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 {
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-	struct da9063_pdata *pdata = da9063->dev->platform_data;
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-	int model, variant_id, variant_code;
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 	int ret;
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 	ret = da9063_clear_fault_log(da9063);
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 	if (ret < 0)
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 		dev_err(da9063->dev, "Cannot clear fault log\n");
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-	if (pdata) {
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-		da9063->flags = pdata->flags;
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-		da9063->irq_base = pdata->irq_base;
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-	} else {
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-		da9063->flags = 0;
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-		da9063->irq_base = -1;
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-	}
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+	da9063->flags = 0;
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+	da9063->irq_base = -1;
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 	da9063->chip_irq = irq;
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-
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-	if (pdata && pdata->init != NULL) {
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-		ret = pdata->init(da9063);
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-		if (ret != 0) {
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-			dev_err(da9063->dev,
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-				"Platform initialization failed.\n");
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-			return ret;
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-		}
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-	}
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-
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-	ret = regmap_read(da9063->regmap, DA9063_REG_CHIP_ID, &model);
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-	if (ret < 0) {
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-		dev_err(da9063->dev, "Cannot read chip model id.\n");
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-		return -EIO;
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-	}
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-	if (model != PMIC_CHIP_ID_DA9063) {
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-		dev_err(da9063->dev, "Invalid chip model id: 0x%02x\n", model);
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-		return -ENODEV;
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-	}
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-
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-	ret = regmap_read(da9063->regmap, DA9063_REG_CHIP_VARIANT, &variant_id);
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-	if (ret < 0) {
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-		dev_err(da9063->dev, "Cannot read chip variant id.\n");
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-		return -EIO;
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-	}
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-
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-	variant_code = variant_id >> DA9063_CHIP_VARIANT_SHIFT;
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-
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-	dev_info(da9063->dev,
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-		 "Device detected (chip-ID: 0x%02X, var-ID: 0x%02X)\n",
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-		 model, variant_id);
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-
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-	if (variant_code < PMIC_DA9063_BB && variant_code != PMIC_DA9063_AD) {
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-		dev_err(da9063->dev,
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-			"Cannot support variant code: 0x%02X\n", variant_code);
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-		return -ENODEV;
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-	}
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-
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-	da9063->variant_code = variant_code;
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 	ret = da9063_irq_init(da9063);
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 	if (ret) {