diff options
author | David Woodhouse <David.Woodhouse@intel.com> | 2008-08-16 06:01:31 -0400 |
---|---|---|
committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-08-16 06:01:31 -0400 |
commit | ccbcd6cba5ef6e071deb072188ad044921f6b91e (patch) | |
tree | b6b290e1e46bcf820d42d795a0c7604cbc0d0973 /drivers/mtd/nand/nand_ecc.c | |
parent | e6cf5df1838c28bb060ac45b5585e48e71bbc740 (diff) |
[MTD] [NAND] Minor cleanup of nand_ecc.c
Make the standalone stuff a little cleaner, fix some checkpatch warnings.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand/nand_ecc.c')
-rw-r--r-- | drivers/mtd/nand/nand_ecc.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c index 7129da51bb33..a8e8413ca2bc 100644 --- a/drivers/mtd/nand/nand_ecc.c +++ b/drivers/mtd/nand/nand_ecc.c | |||
@@ -4,15 +4,15 @@ | |||
4 | * | 4 | * |
5 | * drivers/mtd/nand/nand_ecc.c | 5 | * drivers/mtd/nand/nand_ecc.c |
6 | * | 6 | * |
7 | * Copyright (C) 2008 Koninklijke Philips Electronics NV. | 7 | * Copyright © 2008 Koninklijke Philips Electronics NV. |
8 | * Author: Frans Meulenbroeks | 8 | * Author: Frans Meulenbroeks |
9 | * | 9 | * |
10 | * Completely replaces the previous ECC implementation which was written by: | 10 | * Completely replaces the previous ECC implementation which was written by: |
11 | * Steven J. Hill (sjhill@realitydiluted.com) | 11 | * Steven J. Hill (sjhill@realitydiluted.com) |
12 | * Thomas Gleixner (tglx@linutronix.de) | 12 | * Thomas Gleixner (tglx@linutronix.de) |
13 | * | 13 | * |
14 | * Information on how this algorithm works and how it was developed | 14 | * Information on how this algorithm works and how it was developed |
15 | * can be found in Documentation/nand/ecc.txt | 15 | * can be found in Documentation/mtd/nand_ecc.txt |
16 | * | 16 | * |
17 | * This file is free software; you can redistribute it and/or modify it | 17 | * This file is free software; you can redistribute it and/or modify it |
18 | * under the terms of the GNU General Public License as published by the | 18 | * under the terms of the GNU General Public License as published by the |
@@ -35,7 +35,7 @@ | |||
35 | * e.g. when running the code in a testbed or a benchmark program. | 35 | * e.g. when running the code in a testbed or a benchmark program. |
36 | * When STANDALONE is used, the module related macros are commented out | 36 | * When STANDALONE is used, the module related macros are commented out |
37 | * as well as the linux include files. | 37 | * as well as the linux include files. |
38 | * Instead a private definition of mtd_into is given to satisfy the compiler | 38 | * Instead a private definition of mtd_info is given to satisfy the compiler |
39 | * (the code does not use mtd_info, so the code does not care) | 39 | * (the code does not use mtd_info, so the code does not care) |
40 | */ | 40 | */ |
41 | #ifndef STANDALONE | 41 | #ifndef STANDALONE |
@@ -44,10 +44,8 @@ | |||
44 | #include <linux/module.h> | 44 | #include <linux/module.h> |
45 | #include <linux/mtd/nand_ecc.h> | 45 | #include <linux/mtd/nand_ecc.h> |
46 | #else | 46 | #else |
47 | typedef uint32_t unsigned long | 47 | #include <stdint.h> |
48 | struct mtd_info { | 48 | struct mtd_info; |
49 | int dummy; | ||
50 | }; | ||
51 | #define EXPORT_SYMBOL(x) /* x */ | 49 | #define EXPORT_SYMBOL(x) /* x */ |
52 | 50 | ||
53 | #define MODULE_LICENSE(x) /* x */ | 51 | #define MODULE_LICENSE(x) /* x */ |
@@ -409,7 +407,7 @@ int nand_correct_data(struct mtd_info *mtd, unsigned char *buf, | |||
409 | /* repeated if statements are slightly more efficient than switch ... */ | 407 | /* repeated if statements are slightly more efficient than switch ... */ |
410 | /* ordered in order of likelihood */ | 408 | /* ordered in order of likelihood */ |
411 | if (nr_bits == 0) | 409 | if (nr_bits == 0) |
412 | return (0); /* no error */ | 410 | return 0; /* no error */ |
413 | if (nr_bits == 11) { /* correctable error */ | 411 | if (nr_bits == 11) { /* correctable error */ |
414 | /* | 412 | /* |
415 | * rp15/13/11/9/7/5/3/1 indicate which byte is the faulty byte | 413 | * rp15/13/11/9/7/5/3/1 indicate which byte is the faulty byte |
@@ -431,10 +429,10 @@ int nand_correct_data(struct mtd_info *mtd, unsigned char *buf, | |||
431 | bit_addr = addressbits[b2 >> 2]; | 429 | bit_addr = addressbits[b2 >> 2]; |
432 | /* flip the bit */ | 430 | /* flip the bit */ |
433 | buf[byte_addr] ^= (1 << bit_addr); | 431 | buf[byte_addr] ^= (1 << bit_addr); |
434 | return (1); | 432 | return 1; |
435 | } | 433 | } |
436 | if (nr_bits == 1) | 434 | if (nr_bits == 1) |
437 | return (1); /* error in ecc data; no action needed */ | 435 | return 1; /* error in ecc data; no action needed */ |
438 | return -1; | 436 | return -1; |
439 | } | 437 | } |
440 | EXPORT_SYMBOL(nand_correct_data); | 438 | EXPORT_SYMBOL(nand_correct_data); |