add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/i2c/muxes/i2c-mux-reg.c
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..
@@ -1,13 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * I2C multiplexer using a single register
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  *
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  * Copyright 2015 Freescale Semiconductor
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  * York Sun  <yorksun@freescale.com>
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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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 #include <linux/i2c.h>
..
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@@ -175,13 +171,9 @@
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 			sizeof(mux->data));
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 	} else {
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 		ret = i2c_mux_reg_probe_dt(mux, pdev);
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-		if (ret == -EPROBE_DEFER)
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-			return ret;
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-
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-		if (ret < 0) {
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-			dev_err(&pdev->dev, "Error parsing device tree");
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-			return ret;
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-		}
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+		if (ret < 0)
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+			return dev_err_probe(&pdev->dev, ret,
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+					     "Error parsing device tree");
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 	}
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 	parent = i2c_get_adapter(mux->data.parent);
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@@ -191,13 +183,12 @@
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 	if (!mux->data.reg) {
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 		dev_info(&pdev->dev,
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 			"Register not set, using platform resource\n");
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-		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-		mux->data.reg_size = resource_size(res);
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-		mux->data.reg = devm_ioremap_resource(&pdev->dev, res);
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+		mux->data.reg = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
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 		if (IS_ERR(mux->data.reg)) {
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 			ret = PTR_ERR(mux->data.reg);
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 			goto err_put_parent;
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 		}
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+		mux->data.reg_size = resource_size(res);
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 	}
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 	if (mux->data.reg_size != 4 && mux->data.reg_size != 2 &&