enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/i2c/muxes/i2c-demux-pinctrl.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Pinctrl based I2C DeMultiplexer
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  *
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  * Copyright (C) 2015-16 by Wolfram Sang, Sang Engineering <wsa@sang-engineering.com>
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  * Copyright (C) 2015-16 by Renesas Electronics Corporation
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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; version 2 of the License.
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  *
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  * See the bindings doc for DTS setup and the sysfs doc for usage information.
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  * (look for filenames containing 'i2c-demux-pinctrl' in Documentation/)
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@@ -99,6 +96,8 @@
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 	/* Now fill out current adapter structure. cur_chan must be up to date */
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 	priv->algo.master_xfer = i2c_demux_master_xfer;
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+	if (adap->algo->master_xfer_atomic)
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+		priv->algo.master_xfer_atomic = i2c_demux_master_xfer;
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 	priv->algo.functionality = i2c_demux_functionality;
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 	snprintf(priv->cur_adap.name, sizeof(priv->cur_adap.name),
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@@ -219,8 +218,8 @@
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 		return -EINVAL;
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 	}
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-	priv = devm_kzalloc(&pdev->dev, sizeof(*priv)
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-			   + num_chan * sizeof(struct i2c_demux_pinctrl_chan), GFP_KERNEL);
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+	priv = devm_kzalloc(&pdev->dev, struct_size(priv, chan, num_chan),
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+			    GFP_KERNEL);
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 	props = devm_kcalloc(&pdev->dev, num_chan, sizeof(*props), GFP_KERNEL);
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@@ -262,7 +261,7 @@
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 	err = device_create_file(&pdev->dev, &dev_attr_available_masters);
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 	if (err)
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-		goto err_rollback;
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+		goto err_rollback_activation;
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 	err = device_create_file(&pdev->dev, &dev_attr_current_master);
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 	if (err)
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@@ -272,8 +271,9 @@
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 err_rollback_available:
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 	device_remove_file(&pdev->dev, &dev_attr_available_masters);
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-err_rollback:
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+err_rollback_activation:
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 	i2c_demux_deactivate_master(priv);
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+err_rollback:
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 	for (j = 0; j < i; j++) {
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 		of_node_put(priv->chan[j].parent_np);
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 		of_changeset_destroy(&priv->chan[j].chgset);