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Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/s3c2410.c26
1 files changed, 12 insertions, 14 deletions
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 21a2cc8636df..d31cb7b3feeb 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -366,23 +366,21 @@ static int s3c2410_nand_correct_data(struct mtd_info *mtd, u_char *dat,
366 ((diff2 ^ (diff2 >> 1)) & 0x55) == 0x55) { 366 ((diff2 ^ (diff2 >> 1)) & 0x55) == 0x55) {
367 /* calculate the bit position of the error */ 367 /* calculate the bit position of the error */
368 368
369 bit = (diff2 >> 2) & 1; 369 bit = ((diff2 >> 3) & 1) |
370 bit |= (diff2 >> 3) & 2; 370 ((diff2 >> 4) & 2) |
371 bit |= (diff2 >> 4) & 4; 371 ((diff2 >> 5) & 4);
372 372
373 /* calculate the byte position of the error */ 373 /* calculate the byte position of the error */
374 374
375 byte = (diff1 << 1) & 0x80; 375 byte = ((diff2 << 7) & 0x100) |
376 byte |= (diff1 << 2) & 0x40; 376 ((diff1 << 0) & 0x80) |
377 byte |= (diff1 << 3) & 0x20; 377 ((diff1 << 1) & 0x40) |
378 byte |= (diff1 << 4) & 0x10; 378 ((diff1 << 2) & 0x20) |
379 379 ((diff1 << 3) & 0x10) |
380 byte |= (diff0 >> 3) & 0x08; 380 ((diff0 >> 4) & 0x08) |
381 byte |= (diff0 >> 2) & 0x04; 381 ((diff0 >> 3) & 0x04) |
382 byte |= (diff0 >> 1) & 0x02; 382 ((diff0 >> 2) & 0x02) |
383 byte |= (diff0 >> 0) & 0x01; 383 ((diff0 >> 1) & 0x01);
384
385 byte |= (diff2 << 8) & 0x100;
386 384
387 dev_dbg(info->device, "correcting error bit %d, byte %d\n", 385 dev_dbg(info->device, "correcting error bit %d, byte %d\n",
388 bit, byte); 386 bit, byte);