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| author | Wolfgang Denk <wd@denx.de> | 2008-08-14 14:41:06 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-08-14 14:41:06 +0200 |
| commit | 4b0708093e15b412296328bf81325cf9b69fe512 (patch) | |
| tree | 3586fc61e3fbac6553d888eb3091fb6064638cbb /fs/yaffs2/yaffs_ecc.c | |
| parent | 28ac6719108e989429de2b3dfa90312ba7c4d27b (diff) | |
| download | u-boot-imx-4b0708093e15b412296328bf81325cf9b69fe512.zip u-boot-imx-4b0708093e15b412296328bf81325cf9b69fe512.tar.gz u-boot-imx-4b0708093e15b412296328bf81325cf9b69fe512.tar.bz2 | |
Coding Style cleanup, update CHANGELOG
Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'fs/yaffs2/yaffs_ecc.c')
| -rw-r--r-- | fs/yaffs2/yaffs_ecc.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/yaffs2/yaffs_ecc.c b/fs/yaffs2/yaffs_ecc.c index a05a6b5..1b4a05d 100644 --- a/fs/yaffs2/yaffs_ecc.c +++ b/fs/yaffs2/yaffs_ecc.c @@ -14,9 +14,9 @@ /* * This code implements the ECC algorithm used in SmartMedia. * - * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. + * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. * The two unused bit are set to 1. - * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC + * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC * blocks are used on a 512-byte NAND page. * */ @@ -231,8 +231,8 @@ int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc, return 1; /* Corrected the error */ } - if ((yaffs_CountBits(d0) + - yaffs_CountBits(d1) + + if ((yaffs_CountBits(d0) + + yaffs_CountBits(d1) + yaffs_CountBits(d2)) == 1) { /* Reccoverable error in ecc */ @@ -242,7 +242,7 @@ int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc, return 1; /* Corrected the error */ } - + /* Unrecoverable error */ return -1; @@ -296,7 +296,7 @@ int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes, if ((cDelta | lDelta | lDeltaPrime) == 0) return 0; /* no error */ - if (lDelta == ~lDeltaPrime && + if (lDelta == ~lDeltaPrime && (((cDelta ^ (cDelta >> 1)) & 0x15) == 0x15)) { /* Single bit (recoverable) error in data */ @@ -312,7 +312,7 @@ int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes, if(lDelta >= nBytes) return -1; - + data[lDelta] ^= (1 << bit); return 1; /* corrected */ |