fd534e9b5f
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 51 franklin st fifth floor boston ma 02110 1301 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 50 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190523091649.499889647@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright © 2001-2010 David Woodhouse <dwmw2@infradead.org>
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*/
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#include <asm/byteorder.h>
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#define CFI_HOST_ENDIAN 1
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#define CFI_LITTLE_ENDIAN 2
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#define CFI_BIG_ENDIAN 3
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#if !defined(CONFIG_MTD_CFI_ADV_OPTIONS) || defined(CONFIG_MTD_CFI_NOSWAP)
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#define CFI_DEFAULT_ENDIAN CFI_HOST_ENDIAN
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#elif defined(CONFIG_MTD_CFI_LE_BYTE_SWAP)
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#define CFI_DEFAULT_ENDIAN CFI_LITTLE_ENDIAN
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#elif defined(CONFIG_MTD_CFI_BE_BYTE_SWAP)
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#define CFI_DEFAULT_ENDIAN CFI_BIG_ENDIAN
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#else
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#error No CFI endianness defined
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#endif
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#define cfi_default(s) ((s)?:CFI_DEFAULT_ENDIAN)
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#define cfi_be(s) (cfi_default(s) == CFI_BIG_ENDIAN)
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#define cfi_le(s) (cfi_default(s) == CFI_LITTLE_ENDIAN)
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#define cfi_host(s) (cfi_default(s) == CFI_HOST_ENDIAN)
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#define cpu_to_cfi8(map, x) (x)
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#define cfi8_to_cpu(map, x) (x)
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#define cpu_to_cfi16(map, x) _cpu_to_cfi(16, (map)->swap, (x))
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#define cpu_to_cfi32(map, x) _cpu_to_cfi(32, (map)->swap, (x))
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#define cpu_to_cfi64(map, x) _cpu_to_cfi(64, (map)->swap, (x))
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#define cfi16_to_cpu(map, x) _cfi_to_cpu(16, (map)->swap, (x))
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#define cfi32_to_cpu(map, x) _cfi_to_cpu(32, (map)->swap, (x))
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#define cfi64_to_cpu(map, x) _cfi_to_cpu(64, (map)->swap, (x))
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#define _cpu_to_cfi(w, s, x) (cfi_host(s)?(x):_swap_to_cfi(w, s, x))
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#define _cfi_to_cpu(w, s, x) (cfi_host(s)?(x):_swap_to_cpu(w, s, x))
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#define _swap_to_cfi(w, s, x) (cfi_be(s)?cpu_to_be##w(x):cpu_to_le##w(x))
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#define _swap_to_cpu(w, s, x) (cfi_be(s)?be##w##_to_cpu(x):le##w##_to_cpu(x))
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