package/mac80211/patches/022-remove_crc8_and_cordic.patch

   1 --- a/compat/Makefile
   2 +++ b/compat/Makefile
   3 @@ -36,8 +36,6 @@ compat-$(CONFIG_COMPAT_KERNEL_2_6_39) +=
   4  compat-$(CONFIG_COMPAT_KERNEL_3_0) += compat-3.0.o
   5  compat-$(CONFIG_COMPAT_KERNEL_3_2) += compat-3.2.o
   6
   7 -compat-$(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_ */