29  * the array eleemnt is 0.
32 	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
33 	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
34 	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
35 	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
36 	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
37 	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
38 	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
39 	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
40 	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
41 	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
42 	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
43 	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
44 	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
45 	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
46 	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
47 	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1
56 	0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4,
81 	0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01,
82 	0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03,
83 	0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01,
84 	0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03,
85 	0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05,
86 	0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07,
87 	0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05,
88 	0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07,
89 	0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01,
90 	0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03,
91 	0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01,
92 	0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03,
93 	0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05,
94 	0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07,
95 	0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05,
96 	0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07,
97 	0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09,
98 	0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b,
99 	0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09,
100 	0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b,
101 	0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d,
102 	0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f,
103 	0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d,
104 	0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f,
105 	0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09,
106 	0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b,
107 	0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09,
108 	0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b,
109 	0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d,
110 	0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f,
111 	0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d,
112 	0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f
131 	par = 0;  in ecc_sw_hamming_calculate()
132 	rp4 = 0;  in ecc_sw_hamming_calculate()
133 	rp6 = 0;  in ecc_sw_hamming_calculate()
134 	rp8 = 0;  in ecc_sw_hamming_calculate()
135 	rp10 = 0;  in ecc_sw_hamming_calculate()
136 	rp12 = 0;  in ecc_sw_hamming_calculate()
137 	rp14 = 0;  in ecc_sw_hamming_calculate()
138 	rp16 = 0;  in ecc_sw_hamming_calculate()
139 	rp17 = 0;  in ecc_sw_hamming_calculate()
151 	for (i = 0; i < eccsize_mult << 2; i++) {  in ecc_sw_hamming_calculate()
210 		if ((i & 0x1) == 0)  in ecc_sw_hamming_calculate()
212 		if ((i & 0x2) == 0)  in ecc_sw_hamming_calculate()
214 		if (eccsize_mult == 2 && (i & 0x4) == 0)  in ecc_sw_hamming_calculate()
226 	rp4 &= 0xff;  in ecc_sw_hamming_calculate()
229 	rp6 &= 0xff;  in ecc_sw_hamming_calculate()
232 	rp8 &= 0xff;  in ecc_sw_hamming_calculate()
235 	rp10 &= 0xff;  in ecc_sw_hamming_calculate()
238 	rp12 &= 0xff;  in ecc_sw_hamming_calculate()
241 	rp14 &= 0xff;  in ecc_sw_hamming_calculate()
245 		rp16 &= 0xff;  in ecc_sw_hamming_calculate()
261 	rp2 &= 0xff;  in ecc_sw_hamming_calculate()
262 	rp3 = par & 0xffff;  in ecc_sw_hamming_calculate()
264 	rp3 &= 0xff;  in ecc_sw_hamming_calculate()
268 	rp3 &= 0xff;  in ecc_sw_hamming_calculate()
269 	rp2 = par & 0xffff;  in ecc_sw_hamming_calculate()
271 	rp2 &= 0xff;  in ecc_sw_hamming_calculate()
277 	rp0 = (par >> 8) & 0xff;  in ecc_sw_hamming_calculate()
278 	rp1 = (par & 0xff);  in ecc_sw_hamming_calculate()
280 	rp1 = (par >> 8) & 0xff;  in ecc_sw_hamming_calculate()
281 	rp0 = (par & 0xff);  in ecc_sw_hamming_calculate()
286 	par &= 0xff;  in ecc_sw_hamming_calculate()
293 	 * The & 0xff seems superfluous, but benchmarking learned that  in ecc_sw_hamming_calculate()
297 	rp5 = (par ^ rp4) & 0xff;  in ecc_sw_hamming_calculate()
298 	rp7 = (par ^ rp6) & 0xff;  in ecc_sw_hamming_calculate()
299 	rp9 = (par ^ rp8) & 0xff;  in ecc_sw_hamming_calculate()
300 	rp11 = (par ^ rp10) & 0xff;  in ecc_sw_hamming_calculate()
301 	rp13 = (par ^ rp12) & 0xff;  in ecc_sw_hamming_calculate()
302 	rp15 = (par ^ rp14) & 0xff;  in ecc_sw_hamming_calculate()
304 		rp17 = (par ^ rp16) & 0xff;  in ecc_sw_hamming_calculate()
313 		code[0] = (invparity[rp7] << 7) | (invparity[rp6] << 6) |  in ecc_sw_hamming_calculate()
326 		code[0] = (invparity[rp15] << 7) | (invparity[rp14] << 6) |  in ecc_sw_hamming_calculate()
334 		    (invparity[par & 0xf0] << 7) |  in ecc_sw_hamming_calculate()
335 		    (invparity[par & 0x0f] << 6) |  in ecc_sw_hamming_calculate()
336 		    (invparity[par & 0xcc] << 5) |  in ecc_sw_hamming_calculate()
337 		    (invparity[par & 0x33] << 4) |  in ecc_sw_hamming_calculate()
338 		    (invparity[par & 0xaa] << 3) |  in ecc_sw_hamming_calculate()
339 		    (invparity[par & 0x55] << 2) |  in ecc_sw_hamming_calculate()
343 		    (invparity[par & 0xf0] << 7) |  in ecc_sw_hamming_calculate()
344 		    (invparity[par & 0x0f] << 6) |  in ecc_sw_hamming_calculate()
345 		    (invparity[par & 0xcc] << 5) |  in ecc_sw_hamming_calculate()
346 		    (invparity[par & 0x33] << 4) |  in ecc_sw_hamming_calculate()
347 		    (invparity[par & 0xaa] << 3) |  in ecc_sw_hamming_calculate()
348 		    (invparity[par & 0x55] << 2) |  in ecc_sw_hamming_calculate()
350 		    (invparity[rp16] << 0);  in ecc_sw_hamming_calculate()
352 	return 0;  in ecc_sw_hamming_calculate()
387 		b0 = read_ecc[0] ^ calc_ecc[0];  in ecc_sw_hamming_correct()
391 		b1 = read_ecc[0] ^ calc_ecc[0];  in ecc_sw_hamming_correct()
401 	if ((b0 | b1 | b2) == 0)  in ecc_sw_hamming_correct()
402 		return 0;	/* no error */  in ecc_sw_hamming_correct()
404 	if ((((b0 ^ (b0 >> 1)) & 0x55) == 0x55) &&  in ecc_sw_hamming_correct()
405 	    (((b1 ^ (b1 >> 1)) & 0x55) == 0x55) &&  in ecc_sw_hamming_correct()
406 	    ((eccsize_mult == 1 && ((b2 ^ (b2 >> 1)) & 0x54) == 0x54) ||  in ecc_sw_hamming_correct()
407 	     (eccsize_mult == 2 && ((b2 ^ (b2 >> 1)) & 0x55) == 0x55))) {  in ecc_sw_hamming_correct()
428 			byte_addr = (addressbits[b2 & 0x3] << 8) +  in ecc_sw_hamming_correct()
519 	return 0;  in nand_ecc_sw_hamming_init_ctx()
560 		return 0;  in nand_ecc_sw_hamming_prepare_io_req()
564 		return 0;  in nand_ecc_sw_hamming_prepare_io_req()
570 		return 0;  in nand_ecc_sw_hamming_prepare_io_req()
573 	for (i = 0, data = req->databuf.out;  in nand_ecc_sw_hamming_prepare_io_req()
579 					  0, total);  in nand_ecc_sw_hamming_prepare_io_req()
593 	unsigned int max_bitflips = 0;  in nand_ecc_sw_hamming_finish_io_req()
599 		return 0;  in nand_ecc_sw_hamming_finish_io_req()
603 		return 0;  in nand_ecc_sw_hamming_finish_io_req()
608 		return 0;  in nand_ecc_sw_hamming_finish_io_req()
612 	ret = mtd_ooblayout_get_eccbytes(mtd, ecccode, req->oobbuf.in, 0,  in nand_ecc_sw_hamming_finish_io_req()
618 	for (i = 0; eccsteps; eccsteps--, i += eccbytes, data += eccsize)  in nand_ecc_sw_hamming_finish_io_req()
622 	for (eccsteps = nand->ecc.ctx.nsteps, i = 0, data = req->databuf.in;  in nand_ecc_sw_hamming_finish_io_req()
628 		if (stat < 0) {  in nand_ecc_sw_hamming_finish_io_req()