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| author | Roel Kluin <roel.kluin@gmail.com> | 2010-01-22 22:22:52 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-02-26 16:56:35 +0000 |
| commit | 1385858ee07cbfd68c503a10e4a526d24223d465 (patch) | |
| tree | f0d4a3de0a8f21e0cbbbdab61e7e9f43abe2018f /drivers/mtd/nand/nand_bcm_umi.h | |
| parent | c3341d0ceb4de1680572024f50233403c6a8b10d (diff) | |
| download | blackbird-op-linux-1385858ee07cbfd68c503a10e4a526d24223d465.tar.gz blackbird-op-linux-1385858ee07cbfd68c503a10e4a526d24223d465.zip | |
mtd: nand_bcm: fix hot spin and code duplication
In the branch where pagesize equalled NAND_DATA_ACCESS_SIZE, NumToRead
wasn't decremented in the `while (numToRead > 11)' loop.
Also the first and last while loops were duplicated in both branches.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Leo Chen <leochen@broadcom.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand/nand_bcm_umi.h')
| -rw-r--r-- | drivers/mtd/nand/nand_bcm_umi.h | 71 |
1 files changed, 25 insertions, 46 deletions
diff --git a/drivers/mtd/nand/nand_bcm_umi.h b/drivers/mtd/nand/nand_bcm_umi.h index 7cec2cd97854..198b304d6f72 100644 --- a/drivers/mtd/nand/nand_bcm_umi.h +++ b/drivers/mtd/nand/nand_bcm_umi.h @@ -167,18 +167,27 @@ static inline void nand_bcm_umi_bch_read_oobEcc(uint32_t pageSize, int numToRead = 16; /* There are 16 bytes per sector in the OOB */ /* ECC is already paused when this function is called */ + if (pageSize != NAND_DATA_ACCESS_SIZE) { + /* skip BI */ +#if defined(__KERNEL__) && !defined(STANDALONE) + *oobp++ = REG_NAND_DATA8; +#else + REG_NAND_DATA8; +#endif + numToRead--; + } - if (pageSize == NAND_DATA_ACCESS_SIZE) { - while (numToRead > numEccBytes) { - /* skip free oob region */ + while (numToRead > numEccBytes) { + /* skip free oob region */ #if defined(__KERNEL__) && !defined(STANDALONE) - *oobp++ = REG_NAND_DATA8; + *oobp++ = REG_NAND_DATA8; #else - REG_NAND_DATA8; + REG_NAND_DATA8; #endif - numToRead--; - } + numToRead--; + } + if (pageSize == NAND_DATA_ACCESS_SIZE) { /* read ECC bytes before BI */ nand_bcm_umi_bch_resume_read_ecc_calc(); @@ -190,6 +199,7 @@ static inline void nand_bcm_umi_bch_read_oobEcc(uint32_t pageSize, #else eccCalc[eccPos++] = REG_NAND_DATA8; #endif + numToRead--; } nand_bcm_umi_bch_pause_read_ecc_calc(); @@ -204,49 +214,18 @@ static inline void nand_bcm_umi_bch_read_oobEcc(uint32_t pageSize, numToRead--; } - /* read ECC bytes */ - nand_bcm_umi_bch_resume_read_ecc_calc(); - while (numToRead) { -#if defined(__KERNEL__) && !defined(STANDALONE) - *oobp = REG_NAND_DATA8; - eccCalc[eccPos++] = *oobp; - oobp++; -#else - eccCalc[eccPos++] = REG_NAND_DATA8; -#endif - numToRead--; - } - } else { - /* skip BI */ + } + /* read ECC bytes */ + nand_bcm_umi_bch_resume_read_ecc_calc(); + while (numToRead) { #if defined(__KERNEL__) && !defined(STANDALONE) - *oobp++ = REG_NAND_DATA8; + *oobp = REG_NAND_DATA8; + eccCalc[eccPos++] = *oobp; + oobp++; #else - REG_NAND_DATA8; + eccCalc[eccPos++] = REG_NAND_DATA8; #endif numToRead--; - - while (numToRead > numEccBytes) { - /* skip free oob region */ -#if defined(__KERNEL__) && !defined(STANDALONE) - *oobp++ = REG_NAND_DATA8; -#else - REG_NAND_DATA8; -#endif - numToRead--; - } - - /* read ECC bytes */ - nand_bcm_umi_bch_resume_read_ecc_calc(); - while (numToRead) { -#if defined(__KERNEL__) && !defined(STANDALONE) - *oobp = REG_NAND_DATA8; - eccCalc[eccPos++] = *oobp; - oobp++; -#else - eccCalc[eccPos++] = REG_NAND_DATA8; -#endif - numToRead--; - } } } |
