| 1 | --- a/compat/Makefile |
| 2 | +++ b/compat/Makefile |
| 3 | @@ -47,8 +47,6 @@ compat-$(CONFIG_COMPAT_KERNEL_3_3) += \ |
| 4 | compat-$(CONFIG_COMPAT_KERNEL_3_4) += compat-3.4.o |
| 5 | compat-$(CONFIG_COMPAT_KERNEL_3_7) += compat-3.7.o |
| 6 | |
| 7 | -compat-$(CONFIG_COMPAT_CORDIC) += cordic.o |
| 8 | -compat-$(CONFIG_COMPAT_CRC8) += crc8.o |
| 9 | |
| 10 | ifndef CONFIG_64BIT |
| 11 | ifndef CONFIG_GENERIC_ATOMIC64 |
| 12 | --- a/include/linux/cordic.h |
| 13 | +++ /dev/null |
| 14 | @@ -1,48 +0,0 @@ |
| 15 | -/* |
| 16 | - * Copyright (c) 2011 Broadcom Corporation |
| 17 | - * |
| 18 | - * Permission to use, copy, modify, and/or distribute this software for any |
| 19 | - * purpose with or without fee is hereby granted, provided that the above |
| 20 | - * copyright notice and this permission notice appear in all copies. |
| 21 | - * |
| 22 | - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 23 | - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 24 | - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 25 | - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 26 | - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| 27 | - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 28 | - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 29 | - */ |
| 30 | -#ifndef __CORDIC_H_ |
| 31 | -#define __CORDIC_H_ |
| 32 | - |
| 33 | -#include <linux/types.h> |
| 34 | - |
| 35 | -/** |
| 36 | - * struct cordic_iq - i/q coordinate. |
| 37 | - * |
| 38 | - * @i: real part of coordinate (in phase). |
| 39 | - * @q: imaginary part of coordinate (quadrature). |
| 40 | - */ |
| 41 | -struct cordic_iq { |
| 42 | - s32 i; |
| 43 | - s32 q; |
| 44 | -}; |
| 45 | - |
| 46 | -/** |
| 47 | - * cordic_calc_iq() - calculates the i/q coordinate for given angle. |
| 48 | - * |
| 49 | - * @theta: angle in degrees for which i/q coordinate is to be calculated. |
| 50 | - * @coord: function output parameter holding the i/q coordinate. |
| 51 | - * |
| 52 | - * The function calculates the i/q coordinate for a given angle using |
| 53 | - * cordic algorithm. The coordinate consists of a real (i) and an |
| 54 | - * imaginary (q) part. The real part is essentially the cosine of the |
| 55 | - * angle and the imaginary part is the sine of the angle. The returned |
| 56 | - * values are scaled by 2^16 for precision. The range for theta is |
| 57 | - * for -180 degrees to +180 degrees. Passed values outside this range are |
| 58 | - * converted before doing the actual calculation. |
| 59 | - */ |
| 60 | -struct cordic_iq cordic_calc_iq(s32 theta); |
| 61 | - |
| 62 | -#endif /* __CORDIC_H_ */ |
| 63 | --- a/include/linux/crc8.h |
| 64 | +++ /dev/null |
| 65 | @@ -1,101 +0,0 @@ |
| 66 | -/* |
| 67 | - * Copyright (c) 2011 Broadcom Corporation |
| 68 | - * |
| 69 | - * Permission to use, copy, modify, and/or distribute this software for any |
| 70 | - * purpose with or without fee is hereby granted, provided that the above |
| 71 | - * copyright notice and this permission notice appear in all copies. |
| 72 | - * |
| 73 | - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 74 | - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 75 | - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 76 | - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 77 | - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| 78 | - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 79 | - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 80 | - */ |
| 81 | -#ifndef __CRC8_H_ |
| 82 | -#define __CRC8_H_ |
| 83 | - |
| 84 | -#include <linux/types.h> |
| 85 | - |
| 86 | -/* see usage of this value in crc8() description */ |
| 87 | -#define CRC8_INIT_VALUE 0xFF |
| 88 | - |
| 89 | -/* |
| 90 | - * Return value of crc8() indicating valid message+crc. This is true |
| 91 | - * if a CRC is inverted before transmission. The CRC computed over the |
| 92 | - * whole received bitstream is _table[x], where x is the bit pattern |
| 93 | - * of the modification (almost always 0xff). |
| 94 | - */ |
| 95 | -#define CRC8_GOOD_VALUE(_table) (_table[0xFF]) |
| 96 | - |
| 97 | -/* required table size for crc8 algorithm */ |
| 98 | -#define CRC8_TABLE_SIZE 256 |
| 99 | - |
| 100 | -/* helper macro assuring right table size is used */ |
| 101 | -#define DECLARE_CRC8_TABLE(_table) \ |
| 102 | - static u8 _table[CRC8_TABLE_SIZE] |
| 103 | - |
| 104 | -/** |
| 105 | - * crc8_populate_lsb - fill crc table for given polynomial in regular bit order. |
| 106 | - * |
| 107 | - * @table: table to be filled. |
| 108 | - * @polynomial: polynomial for which table is to be filled. |
| 109 | - * |
| 110 | - * This function fills the provided table according the polynomial provided for |
| 111 | - * regular bit order (lsb first). Polynomials in CRC algorithms are typically |
| 112 | - * represented as shown below. |
| 113 | - * |
| 114 | - * poly = x^8 + x^7 + x^6 + x^4 + x^2 + 1 |
| 115 | - * |
| 116 | - * For lsb first direction x^7 maps to the lsb. So the polynomial is as below. |
| 117 | - * |
| 118 | - * - lsb first: poly = 10101011(1) = 0xAB |
| 119 | - */ |
| 120 | -void crc8_populate_lsb(u8 table[CRC8_TABLE_SIZE], u8 polynomial); |
| 121 | - |
| 122 | -/** |
| 123 | - * crc8_populate_msb - fill crc table for given polynomial in reverse bit order. |
| 124 | - * |
| 125 | - * @table: table to be filled. |
| 126 | - * @polynomial: polynomial for which table is to be filled. |
| 127 | - * |
| 128 | - * This function fills the provided table according the polynomial provided for |
| 129 | - * reverse bit order (msb first). Polynomials in CRC algorithms are typically |
| 130 | - * represented as shown below. |
| 131 | - * |
| 132 | - * poly = x^8 + x^7 + x^6 + x^4 + x^2 + 1 |
| 133 | - * |
| 134 | - * For msb first direction x^7 maps to the msb. So the polynomial is as below. |
| 135 | - * |
| 136 | - * - msb first: poly = (1)11010101 = 0xD5 |
| 137 | - */ |
| 138 | -void crc8_populate_msb(u8 table[CRC8_TABLE_SIZE], u8 polynomial); |
| 139 | - |
| 140 | -/** |
| 141 | - * crc8() - calculate a crc8 over the given input data. |
| 142 | - * |
| 143 | - * @table: crc table used for calculation. |
| 144 | - * @pdata: pointer to data buffer. |
| 145 | - * @nbytes: number of bytes in data buffer. |
| 146 | - * @crc: previous returned crc8 value. |
| 147 | - * |
| 148 | - * The CRC8 is calculated using the polynomial given in crc8_populate_msb() |
| 149 | - * or crc8_populate_lsb(). |
| 150 | - * |
| 151 | - * The caller provides the initial value (either %CRC8_INIT_VALUE |
| 152 | - * or the previous returned value) to allow for processing of |
| 153 | - * discontiguous blocks of data. When generating the CRC the |
| 154 | - * caller is responsible for complementing the final return value |
| 155 | - * and inserting it into the byte stream. When validating a byte |
| 156 | - * stream (including CRC8), a final return value of %CRC8_GOOD_VALUE |
| 157 | - * indicates the byte stream data can be considered valid. |
| 158 | - * |
| 159 | - * Reference: |
| 160 | - * "A Painless Guide to CRC Error Detection Algorithms", ver 3, Aug 1993 |
| 161 | - * Williams, Ross N., ross<at>ross.net |
| 162 | - * (see URL http://www.ross.net/crc/download/crc_v3.txt). |
| 163 | - */ |
| 164 | -u8 crc8(const u8 table[CRC8_TABLE_SIZE], u8 *pdata, size_t nbytes, u8 crc); |
| 165 | - |
| 166 | -#endif /* __CRC8_H_ */ |
| 167 | |
