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| 1 | +// SPDX-License-Identifier: GPL-2.0-or-later |
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| 1 | 2 | /* |
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| 2 | 3 | * parport-to-butterfly adapter |
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| 3 | 4 | * |
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| 4 | 5 | * Copyright (C) 2005 David Brownell |
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| 5 | | - * |
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| 6 | | - * This program is free software; you can redistribute it and/or modify |
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| 7 | | - * it under the terms of the GNU General Public License as published by |
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| 8 | | - * the Free Software Foundation; either version 2 of the License, or |
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| 9 | | - * (at your option) any later version. |
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| 10 | | - * |
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| 11 | | - * This program is distributed in the hope that it will be useful, |
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| 12 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | | - * GNU General Public License for more details. |
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| 15 | 6 | */ |
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| 16 | 7 | #include <linux/kernel.h> |
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| 17 | 8 | #include <linux/init.h> |
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| .. | .. |
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| 32 | 23 | * with a battery powered AVR microcontroller and lots of goodies. You |
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| 33 | 24 | * can use GCC to develop firmware for this. |
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| 34 | 25 | * |
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| 35 | | - * See Documentation/spi/butterfly for information about how to build |
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| 26 | + * See Documentation/spi/butterfly.rst for information about how to build |
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| 36 | 27 | * and use this custom parallel port cable. |
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| 37 | 28 | */ |
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| 38 | 29 | |
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